Excel Semiconductor ES29LV320D Service Manual

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ES29LV320D

32Mbit(4M x 8/2M x 16)

CMOS 3.0 Volt-only, Boot Sector Flash Memory

GENERAL FEATURES

• Single power supply operation

- 2.7V -3.6V for read, program and erase operations

•Sector Structure

- 8Kbyte x 8 boot sectors

- 64Kbyte x 63 sectors

- 256byte security sector

• Top or Bottom boot block

- ES29LV320DT for Top boot block device

- ES29LV320DB for Bottom boot block device

• A 256 bytes of extra sector for security code

- Factory lockable

- Customer lockable

• Package Options

- 48-pin TSOP

- Pb-free packages

- All Pb-free products are RoHS-Compliant

• Low Vcc write inhibit

• Manufactured on 0.18um process technology

• Compatible with JEDEC standards

- Pinout and software compatible with single-power
supply flash standard

DEVICE PERFORMANCE

• Read access time

- 90ns/120n for normal Vcc range ( 2.7V - 3.6V )

- 80ns for regulated Vcc range ( 3.0V - 3.6V )

• Program and erase time

- Program time : 9us/byte, 11us/word ( typical )

- Accelerated program time : 8us/word ( typical )

- Sector erase time : 0.7sec/sector ( typical )

• Power consumption (typical values)

- 200nA in standby or automatic sleep mode

- 10 mA active read current at 5 MHz

- 15mA active write current during program or erase

• Minimum 100,000 program/erase cycles per sector

• 20 Year data retention at 125

o

C

SOFTWARE FEATURES

• Erase Suspend / Erase Resume

• Data# poll and toggle for Pro gr a m/erase status

• CFI ( Common Flash Interface) supported

• Unlock Bypass program

• Autoselect mode

• Auto-sleep mode after t

ACC

+ 30ns

HARDWARE FEATURES

• Hardware reset input pin ( RESET#)

- Provides a hardware reset to device

- Any internal device operation is terminated and the
device returns to read mode by the reset

• Ready/Busy# output pin ( RY/BY#)

- Provides a program or erase operational status
about whether it is finished for read or still being
progressed

• WP#/ACC input pin

- Two outermost boot sectors are protected when
WP# is set to low, regardless of sector protection

- Program speed is accelerated by raising WP#/ACC
to a high voltage (12V)

• Sector protection / unprotection ( RESET# , A9 )

- Hardware method of locking a sector to prevent
any program or erase operation within that sector

- Two methods are provided :

- In-system method by RESET# pin

- A9 high-voltage method for PROM programmers

• Temporary Sector Unprotection ( RESET# )

- Allows temporary unprotection of previously
protected sectors to change data in-system

ES29LV320D

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Rev. 2D Jan 5, 2006

GENERAL PRODUCT DESCRIPTION

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The ES29LV320 is a 32 megabit, 3.0 volt-only flash
memory device, organized as 4M x 8 bits (Byte
mode) or 2M x 16 bits (Word mode) which is config­urable by BYTE#. Eight boot sectors and sixty three
main sectors with uniform size are provided :
8Kbytes x 8 and 64Kbytes x 63. The device is man­ufactured with ESI’s proprietary, high performance
and highly reliable 0.18um CMOS flash technology.
The device can be programmed or erased in-sys­tem with standard 3.0 Volt Vcc supply ( 2.7V-3.6V)
and can also be programmed in standard EPROM
programmers. The device offers minimum e ndur­ance of 100,000 program/erase cycles and more
than 10 years of data retention.

The ES29LV320 offers access time as fast as 80ns
or 90ns, allowing operation of high-speed micropro­cessors without wait states. Three separate control
pins are provided to eliminate bus contention : chip
enable (CE#), write enable (WE#) and output
enable (OE#).

All program and erase operation are automatically
and internally performed and controlled by embed­ded program/erase algorithms built in the device.
The device automatically generates and times the
necessary high-voltage pulses to be applied to the
cells, performs the verification, and counts the num­ber of sequences. Some status bits (DQ7, DQ6 and
DQ5) read by data# polling or toggling between
consecutive read cycles provide to the users the
internal status of program/erase operation: whether
it is successfully done or still being progressed.

Extra Security Sector of 256 bytes

In the device, an extra security sector of 256 bytes is
provided to customers. This extra sector can be
used for various purposes such as storing ESN
(Electronic Serial Number) or customer’s security
codes. Once after the extra sector is written, it can
be permanently locked by the device manufacturer(

factory-locked) or a customer( customer-lock­able). At the same time, a lock indicator bit (DQ7)

is permanently set to a 1 if the part is factory- locked,
or set to 0 if it is customer-lockable. Therefore, this
lock indicator bit (DQ7) can be properly used to
avoid that any customer-lockable part is used to
replace a factory-locked part. The extra security
sector is an extra memory space for customers
when it is used as a customer-lockable version. So,
it can be read and written like any other sectors. But
it should be noted that the number of E/W(Erase and
Write) cycles is limited to 300 times (maximum) only
in the Security Sector.

Special services such as ESN and factory-lock are
available to customers ( ESI’s Special-Code ser-
vice ) The ES29L V320 is completely comp atible with
the JEDEC standard command set of single power
supply Flash. Commands are written to the internal
command register using standard write timings of
microprocessor and data can be re ad out from the
cell array in the device with the same way as used i n
other EPROM or flash devices.

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PRODUCT SELECTOR GUIDE

Family Part Number ES29LV320

Voltage Range 3.0 ~ 3.6V 2.7 ~ 3.6V

Speed Option 80R 90 120

Max Access Time (ns) 80 90 120

CE# Access (ns) 80 90 120
OE# Access (ns) 35 40 50

FUNCTION BLOCK DIAGRAM

RY/BY#

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Vcc
Vss

WE

RESET#

A<0:20

CE#
OE#

BYTE#

Vcc Detector

#

Command
Register

Timer/
Counter

Write
State
Machine

Analog Bias
Generator

Sector Switches

Y-Decoder

DQ0-DQ15(A-1)

Input/Output
Buffers

Data Latch/
Sense Amps

Y-Decoder

>

Cell Array
Chip Enable
Output Enable
Logic

X-Decoder

Address Latch

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PIN DESCRIPTION

Pin Description

A0-A20 21 Addresses

DQ0-DQ14 15 Data Inputs/Outputs

DQ15/A-1

CE# Chip Enable
OE# Output Enable

WE# Write Enable

WP#/ACC Hardware Write Protect/Acceleration Pin

RESET# Hardware Reset Pin, Active Low

BYTE# Se lects 8-bit or 16-bit mode

RY/BY# Ready/Busy Output

Vcc

Vss Device Ground

NC Pin Not Connected Internally

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DQ15 (Data Input/Output, Word Mode)
A-1 (LSB Address Input, Byte Mode)

3.0 volt-only single power supply
(see Product Selector Guide for speed options and voltage supply tolerances)

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LOGIC SYMBOL

21

A0 ~ A20

CE#
OE#

WE#
WP#/ACC
RESET#

BYTE#

16 or 8

DQ0 ~ DQ15
(A-1)

RY/BY#

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CONNECTION DIAGRAM

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A15
A14

A13
A12
A11
A10

A9

A8
A19
A20

WE#

RESET#

NC

WP#/ACC

RY/BY#

A18
A17

A7

A6

A5

A4

A3

A2

A1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

48-Pin Standard TSOP

ES29LV320

48
47
46
45
44

43
42
41

40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

A16
BYTE#
Vss
DQ15/A-1
DQ7
DQ14
DQ6
DQ13

DQ5
DQ12
DQ4
Vcc
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE#
Vss
CE#
A0

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DEVICE BUS OPERATIONS

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Several device operational modes are provided in
the ES29LV320 device. Commands are used to ini­tiate the device operations. They are latched and
stored into internal registers with the address and
data information needed to execute the device
operation.

The available device operational modes are listed
in Table 1 with the required inputs, controls, and the
resulting outputs. Each operational mode is
described in further detail in the following subsec­tions.

Read

The internal state of the device is set for the read
mode and the device is ready for reading arra y da t a
upon device power-up, or after a hardware reset. To
read the stored data from the cell array of the
device, CE# and OE# pins should be driven to V

while WE# pin remains at VIH. CE# is the power
control and selects the device. OE# is the output

control and gates array data to the output pins.
Word or byte mode of output data is determined by

the BYTE# pin. No additional command is needed
in this mode to obtain array data. Standard micro­processor read cycles that assert valid addresses

on the device address inputs produce valid data on
the device data outputs. The device st ays at the read
mode until another operation is activated by writing
commands into the internal command register. Refer
to the AC read cycle timing diagrams for further
details ( Fig. 18 ).

Word/Byte Mode Configuration ( BYTE# )

The device data output can be configured by BYTE#
into one of two modes : word and byte modes. If the
BYTE# pin is set at logic ‘1’, the device is configured
in word mode, DQ0 - DQ15 are active and controlled
by CE# and OE#. If the BYTE# pin is set at logic ‘0’,
the device is configured in byte mode, and only data
I/O pins DQ0 - DQ7 are active and controlled by CE#
and OE#. The data I/O pins DQ8 - DQ14 are tri­stated, and the DQ15 pin is used as an input for the
LSB (A-1) address.

IL

Standby Mode

When the device is not selected or activated in a
system, it needs to stay at the standby mode, in
which current consumption is greatly reduced with
outputs in the high impedance state.

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The device enters the CMOS standby mode when
CE# and RESET# pins are both held at Vcc

+

0.3V.
(Note that this is a more restricted voltage range
than V

not within Vcc

) If CE# and RESET# are held at VIH, but

IH.

+

0.3V, the device will be still in the
standby mode, but the standby current will be
greater than the CMOS standby current (0.2uA typi­cally). When the device is in the standby mode, only
standard access time (t

) is required for read

CE

access, before it is ready for read data. And even if
the device is deselected by CE# pin during erase or
programming operation, the device draws active cur ­rent until the operation is completely done. While the
device stays in the standby mode, the output is
placed in the high impedance state, independent of
the OE# input.

The device can enter the deep power-down mode
where current consumption is greatly reduced down
to less than 0.2uA typically by the following three
ways:

- CMOS standby ( CE#, RESET# = Vcc + 0.3V )

- During the device reset ( RESET# = Vss

- In Autosleep Mode ( after t

ACC

+ 30ns )

+ 0.3V )

Refer to the CMOS DC characteristics Table11 for
further current specification .

Autosleep Mode

The device automatically enters a deep power-down
mode called the autosleep mode when addresses
remain stable for t

consumption is greatly reduced ( less than 0.2uA
typical ), regardless of CE#, WE# and OE# control
signals.

+30ns. In this mode, current

ACC

set-up cycle and the last cycle with the program
data and addresses. In this mode, two unlock
cycles are saved ( or bypassed ).

Sector Addresses

The entire memory space of cell array is divided
into a many of small sectors: 8kbytes x 8 boot sec­tors and 64Kbytes x 63 main sectors. In erase
operation, a single sector, multiple sectors, or the
entire device (chip erase) can be selected for
erase. The address space that each sector occu­pies is shown in detail in the Table 3-4.

Accelerated Program Mode

The device offers accelerated program operations
through the ACC function. This is one of two func­tions provided by the WP#/ACC pin. This function
is primarily intended to allow faster manufacturing
throughput at the factory. If the system asserts V

(11.5~12.5V) on this pin, the device automatically
enters the previously mentioned Unlock Bypass
mode, temporarily unprotects any protected sec­tors, and uses the higher voltage on the pin to
reduce the time required for program operations.
Only two-cycle program command sequences are
required because the unlock bypass mode is auto­matically activated in this acceleration mode. The
device returns to the normal operation when V

removed from the WP#/ACC pin. It should be
noted that the WP#/ACC pin must not be at V

operations other than accelerated programming, or
device damage may result. In addition, the WP#/
ACC pin must not be left floating or unconnected;
inconsistent or undesired behavior of the device
may result.

HH

HH

HH

for

is

Writing Commands

To write a command or command sequences to ini­tiate some operations such as program or erase, the
system must drive WE# and CE# to V

. For program operations, the BYTE# pin deter-

V

IH

, and OE# to

IL

mines whether the device accepts pro gram data in
bytes or words. Refer to “BYTE# timings for Write
Operations” in the Fig. 21 for more information.

Unlock Bypass Mode

To reduce more the programming time, an unlock­bypass mode is provided. Once the device enters
this mode, only two write cycles are required to ini­tiate the programming operation instead of four
cycles in the normal program command sequences
which are composed of two unlock cycles, program

ES29LV320D

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Autoselect Mode

Flash memories are intended for use in applica­tions where the local CPU alter s me mory cont ents.
In such applications, manufacturer and device
identification (ID) codes must be accessible while
the device resides in the target system ( the so
called “in-system program”). On the other hand,
signature codes have been typically accessed by
raising A9 pin to a high voltage in PROM program­mers. However, multiplexing high voltage onto
address lines is not the generally desired system
design practice. Therefore, in the ES29LV320
device an autoselect command is provided to
allow the system to access the signature codes
without any high voltage. The conventional A9
high-voltage method used in the PROM progra m­ers for signature codes are still supported in this
device.

Rev. 2D Jan 5, 2006

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If the system writes the autoselect command
sequence, the device enters the Autoselect mode.
The system can then read some useful codes such
as manufacturer and device ID from the internal reg­isters on DQ7 - DQ0. Standard read cycle timings
apply in this mode. In the Autoselect mode, the fol­lowing four informations can be accessed through
either autoselect command method or A9 high-volt­age autoselect method. Refer to the Table 2.

-

-

-

-

Manufacturer ID
Device ID
Security Sector Lock-indicator
Sector protection verify

Hardware Device Reset ( RESET# )

The RESET# pin provides a hardware method of
resetting the device to read array data. When the
RESET# pin is driven low for at least a period of t

the device immediately terminates any operation in
progress, tristates all output pins, and ignores all
read/write commands for the duration of the
RESET# pulse The device also resets the internal
state machine to reading array data. The operation
that was interrupted should be reinitiated once after
the device is ready to accept another command
sequence, to ensure data integrity.

RP

CMOS Standby during Device Reset

Flash memory, enabling the system to read the
boot-up firmware from the Flash memory.Refer to
the AC Characteristics tables for RESET# parame­ters and to Fig. 19 for the timing diagram.

SECTOR GROUP PROTECTION

The ES29LV320 features hardware sector group
protection. A sector group consists of two or more
adjacent sectors that are protected or unprotected
at the same time. In the device, sector protection is
performed on the group of sectors previously
defined in the Table 3-4. Once after a group of sec­tors are protected, any program or erase operation
is not allowed in the protected sector group. The
previously protected sectors must be unprotected
by one of the unprotect methods provided here
before changing data in those sectors. Sector pro­tection can be implemented via two methods.

,

-

-

To check whether the sector group protection was
successfully executed or not, another operation
called “protect verification” needs to be per­formed after the protection oper ation on a group of
sectors. All protection and protect verifications pro­vided in the device are summarized in detail at the
Table 1.

In-system protection
A9 High-voltage protection

Current is reduced for the duration of the RESET#
pulse. When RESET# is held at Vss
device draws the greatly reduced CMOS standby
current ( I

within Vss

). If RESET# is held at VIL but not

CC4

+

0.3V, the standby current will be greater.

+

0.3V, the

RY/BY# and Terminating Operations

If RESET# is asserted during a program or erase
operation, the RY/BY# pin remains a “0” (busy) until
the internal reset operation is completed, which
requires a time of t

rithms). The system can thus monitor RY/BY# to
determine whether the reset operation is completed.
If RESET# is asserted when a program or erase
operation is not executing (RY/BY# pin is “1”), the
reset operation is completed within a time of t

(not during Embedded Algorithms). The system can
read data after the RESET# pin returns to V

requires a time of t

READY

RH.

(during Embedded Algo-

READY

, which

IH

RESET# tied to the System Reset

The RESET# pin may be tied to the system reset cir­cuitry. A system reset would thus also reset the

In-System Protection

“In-system protection”, the primary method,
requires V

A6=0, A1=1, and A0=0. This method can be imple­mented either in-system or via programming equip­ment. This method uses standard microprocessor
bus cycle timing. Refer to Fig. 29 for timing diagram
and Fig. 3 for the protection algorithm.

(11.5V~12.5V) on the RESET# with

ID

A9 High-Voltage Protection

“High-voltage protection”, the alternate method
intended only for programming equipment, must
force V

trol pin OE# with A6=0, A1=1 and A0=0. Refer to
Fig. 31 for timing diagram and Fig. 5 for the protec­tion algorithm.

(11.5~12.5V) on address pin A9 and con-

ID

SECTOR UNPROTECTION

The previously protected sectors must be unpro­tected before modifying any data in the sectors.
The sector unprotection algorithm unprotects all
sectors in parallel. All unprotected sectors must first

ES29LV320D

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Rev. 2D Jan 5, 2006

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be protected prior to the first sector unprotection
write cycle to avoid any over-erase due to the intrin­sic erase characteristics of the protection cell. After
the unprotection operation, all previously protected
sectors will need to be individually re-protected.
Standard microprocessor bus cycle timings are used
in the unprotection and unprotect verification opera­tions. Three unprotect methods are provided in the
ES29LV320 device. All unprotection and unprotect
verification cycles are summarized in detail at the
Table 1.

-

-

-

In-system unprotection
A9 High-voltage unprotection
T emporary sector unprotection

In-System Unprotection

“In-system unprotection”, the primary method,
requires V

A6=1, A1=1, and A0=0. This method can be imple­mented either in-system or via programming equip­ment. This method uses standard microprocessor
bus cycle timing. Refer to Fig. 29 for timing diagram
and Fig. 4 for the unprotection algorithm.

(11.5V~12.5V) on the RESET# with

ID

If the system asserts V

on the WP#/ACC pin, the

IL

device disables program and erase func tions in the
two “outermost” 8Kbytes boo t sectors indepen­dently of whether those sectors were protected or
unprotected using the method described in “Sector
Group Protection and Unprotection”. The two outer­most of 8 Kbyte boot sectors are the two sectors
containing the lowest addresses in a bottom-boot­configured device, or the two sectors containing the
highest addresses in a top-boot-configured device.

If the system asserts V

on the WP#/ACC pin, the

IH

device reverts to whether the two outermost 8
Kbyte boot sectors were last set to be protected or
unprotected. That is, sector protection or unprotec­tion for these two sectors depends on whether they
were last protected or unprotected using the
method described in “Sector Group Protection and
Unprotection”.

Note that the WP#/ACC pin must not be left floating
or unconnected; inconsistent behavior of the device
may result.

A9 High-Voltage Unprotection

“High-voltage unprotection”, the alternate method
intended only for programming equipment, must
force V

(11.5~12.5V) on address pin A9 and con-

ID

trol pin OE# with A6=1, A1=1 and A0=0. Refer to
Fig. 32 for timing diagram and Fig. 6 for the unpro­tection algorithm.

Temporary Sector Unprotect

This feature allows temporary unprotection of previ­ously protected sectors to change data in-system.
The Sector Unprotect mode is activated by setting
the RESET# pin to V

(11.5V-12.5V). During this

ID

mode, formerly protected sectors can be pro­grammed or erased by selecting the sector
addresses. Once V

is removed from the RESET#

ID

pin, all the previously protected sectors are pro­tected again. Fig. 1 shows the algorithm, and Fig. 27
shows the timing diagrams for this feature.

WRITE PROTECT ( WP# )

The Write Protect function provides a hardware
method of protecting certain boot sectors without
using V

WP#/ACC pin.

. This function is one of two provided by the

ID

START

RESET# = V

(Note 1)

Perform Erase or

Program Operations

RESET# = V

Temporary Sector

Unprotect Completed

(Note 2)

Notes:

1. All protected sectors are unprotected (If WP#/ACC = VIL,
outermost boot sectors will remain protected).

2. All previously protected sectors are protected once again.

ID

IH

Figure 1. Temporary Sector Unprotect
Operation

ES29LV320D

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Rev. 2D Jan 5, 2006

SECURITY SECTOR

The security sector of the ES29LV320 device pro­vides an extra flash memory space that enables
permanent part identification through an Electronic
Serial Number (ESN). The security sector uses a
security lock-Indicator Bit (DQ7) to indicate
whether or not the security sector is locked when
shipped from the factory. This bit is permanently set
at the factory and cannot be changed, which pre­vents cloning of a factory locked part. This ensures
the security of the ESN once the product is shipped
to the field. Note that the ES29LV320 has a security
sector size of 256 bytes.

Security Lock-Indicator Bit (DQ7)

In the device, the security sector can be provided in
either factory locked version or customer lockable
version. The factory-locke d version is always pro­tected when shipped from the factory, and has the
security lock-Indicator Bit permanently set to a “1”.
The customer-lockable version is shipped with
the security sector unprotected, allowing customers
to utilize the sector in any manner they choose. The
customer-lockable version has the security lock­Indicator Bit permanently set to a “0”. Thus, the
security lock-Indicator Bit prevents customer-lock­able devices from being used to replace devices
that are factory locked.

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- A random, secure ESN (16 bytes ) only

- Customer code through the ESI’s Special-Code
service

- Both a random, secure ESN and customer
code through the ESI’s Special-Code service.

ESN ( Electronic Serial Number )

In devices that have an ESN, a Bottom Boot device
will have the 16-byte (8-word) ESN in sector 0 at
addresses 000000h-00000Fh in byte mode (or
000000h-000007h in word mode). In the Top Boot
device the ESN will be in sector 70 at addresses
3FFF00h-3FFF0Fh in byte mode (or 1FFF80h­1FFF87h in word mode). Note that in upcoming top
boot versions of this device, the ESN will be located
in sector 70 at addresses 3FFF00h-3FFF0Fh in byte
mode (or 1FFF80h-1FFF87h in word mode).

ESI’s Special-Code Service

Customers may opt to have their code programmed
by ESI through the ESI’s Special-Code service. ESI
programs the customer’s code, with or without the
random ESN. The devices are then shipped from
ESI’s factory with the Security Sector permanently
locked. Contact an ESI representative for details on
using ESI’s Special-Code service.

Customer-Lockable Device

Access to the Security Sector

The security sector can be accessed through a
command sequence: Enter security and Exit
security sector commands. After the system has
written the Enter security sector command
sequence, it may read the security sector by using
the addresses normally occupied by the boot sec­tors. This mode of operation continues until the sys­tem issues the Exit security sector command
sequence, or until power is removed from the
device. On power-up, or following a hardware reset,
the device returns to read mode in which the nor­mal boot sectors can be accessed, instead of the
security sector.

Factory-Locked Device

In a factory-locked device, the security sector is
protected when the device is shipped from the fac­tory. The security sector cannot be mo dified in any
way. The device is available preprogrammed with
one of the following:

The customer lockable version allows the security
sector to be freely programmed or erased and then
permanently locked. Note that the ES29LV320 has
a security sector size of 256 bytes (128 words). Note
that the accelerated programming (ACC) and unlock
bypass functions are not available when program­ming the security sector.

Protection of the Security Sector

The security sector area can be prot ected using the
following procedures: Write the three-cycle “Enter
security sector command” sequence, and then fol­lowing the in-system sector protect algorithm as
shown in Fig. 2, except that RESET# may be at
either V

of the security sector without raising any device pin
to a high voltage. Note that this method is only appli­cable to the security sector. To verify the protect/
unprotect status of the security sector. follow the
algorithm shown in Fig. 2.

or VID. This allows in-system protection

IH

ES29LV320D

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Rev. 2D Jan 5, 2006

Start

RESET# =

or V

V

IH

ID

Wait 1us

Write 60h to
any address

Write 40h to security
sector address with
A6=0, A1=1,A0=0

Read from security
sector address with
A6=0,A1=1,A0=0

If data=00h, security
sector is unprotected.
If data=01h, security
sector is protected

Remove V
from RESET#

Write reset
command

Security sector
Protect Verify
complete

IH

or V

ID

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can only occur after successful completion of spe­cific command sequences. And several features are
incorporated to prevent inadvertent write cycles
resulting from Vcc power-up and power-down transi­tion or system noise.

Low Vcc Write inhibit

When Vcc is less than V
accept any write cycles. This protects data during

Vcc power-up and power-down. The command reg­ister and all internal program/erase circuits are dis­abled, and the device resets to the read mode.
Subsequent writes are ignored until Vcc is greater
than V

. The system must provide proper signals

LKO

to the control pins to prevent unintentional writes
when Vcc is greater than V

, the device does not

LKO

.

LKO

Write Pulse “Glitch” Protection

Noise pulses of less than 5ns (typical) on OE#, CE#
or WE# do not initiate a write cycle.

Figure 2. Security Sector Protect Verify

Exit from the Security Sector

Once the Security Sector is locked protected and
verified, the system must write the Exit Security
Sector Region command sequence to return to
reading and writing the remainder of the array.

Caution for the Security Sector Protection

The security sector protection must be used with
caution since, once protected, there is no proce­dure available for unprotecting the security sector
area and none of the bits in the security sector
memory space can be modified in any way.

HARDWARE DATA PROTECTION

The ES29LV320 device provides some protection
measures against accidental erasure or program­ming caused by spurious system level signals that
may exist during power transition. During power­up, all internal registers and latches in the device
are cleared and the device automatically resets to
the read mode. In addition, with its internal state
machine built-in the device, any alteration of the
memory contents or any initiation of new operation

Logical inhibit

Write cycles are inhibited by holding any one of
OE#=V

, CE#=VIH or WE#=VIH. To initiate a write

IL

cycle, CE# and WE# must be a logical zero while
OE# is a logical one.

Power-up Write Inhibit

If WE#=CE#=VIL and OE#=VIH during power up, the
device does not accept any commands on the rising

edge of WE#. The internal state machine is automat­ically reset to the read mode on power-up.

ES29LV320D

11

Rev. 2D Jan 5, 2006

Table 1. ES29LV320 Device Bus Operations

ESI

ESI

Excel Semiconductor inc.

Operation CE# OE# WE# RESET# WP#/ACC Addresses

Read

Accelerated Program L H L H

Standby

Output Disable
Reset

Sector Protect
(Note 2)

In-system

A9 High-Volt­age Method

Sector Unprotect
(Note 2) L H L V

Temporary Sec­tor Unprotect X X X

Sector protect

Sector unprotect

L
L

Vcc+

0.3V

L H H H L/H X High-Z High-Z
X X X L L/H X High-Z High-Z

LHL

L

L

H

L

L

H

X X Vcc+

V

ID

V

ID

0.3V

L

L

HL/H
H (Note 3)

V

HH

H X High-Z High-Z

V

ID

ID

V

ID

H

H

L/H

L/H

(Note 3)

H

(Note 3)

H

(Note 3)

H

(Note 3)

(Note 1)

A

IN

A

IN

A

IN

SA,A6=L,

A1=H,A0=L

SA,A6=H,

A1=H,A0=L

A

IN

SA,A9=V

A6=L,

A1=H,A0=L
SA,A9=V

A6=H,

A1=H,A0=L

DQ0

~

DQ7

D

OUT

(Note 4) (Note 4)
(Note 4) (Note 4)

(Note 4) X X

(Note 4) X X

(Note 4) (Note 4) High-Z

,

ID

(Note 4) (Note 4) High-Z

,

ID

BYTE#

= V

D

OUT

DQ8~DQ15

IH

BYTE#

= V

IL

DQ8~DQ14 = High-Z,

DQ15 = A-1Write

High-Z

Legend:

A

L=Logic Low=VIL, H=Logic High=VIH, VID=11.5-12.5V, VHH=11.5-12.5V, X=Don’t Care, SA=Sector Address,

=Address In, DIN=Data In, D

IN

=Data Out

OUT

Notes:

1. Addresses are A20:A0 in word mode (BYTE#=VIH) , A20:A-1 in byte mode (BYTE#=VIL).

2. The sector protect and sector unprotect funct ions may als o be implement ed via programming eq uipment. See the “Sector/ Sector
Block Protection and Unprotection” section.

3. If WP#/ACC=V

, the two outermost boot sectors remain protected. If WP#/ACC=VIH, the two outermost boot sector protection

IL

depends on whether they were last protected or unprotected using the method described in “Sector/Sector Block Protection and
Unprotection”. If WP#/ACC=V

4. D

IN

or D

as required by command sequence, data polling, or sector protection algorithm.

OUT

, all sectors will be unprotected.

HH

Table 2. Autoselect Codes (A9 High-Voltage Method)

A20

Description CE# OE# WE#

to

A12

ManufactureID:ESI

Device ID:

ES29LV320

Sector Protection

Verification

Security Sector

Indicator Bit(DQ7) L L H X X

L

LLHX X

LLHSAX

H

L

XX

A11

to

A10

A9A8toA7A6

V

XLXLL X

ID

V

X L X L H 22h X F6(T),F9h(B)

ID

V

XLXHL X X

ID

V

XLXHH X X

ID

A5

toA2A1 A0

DQ8~DQ15

BYTE#

= V

IH

BYTE#

= V

IL

X4Ah

DQ7~DQ0

01h(protected)

00h(unprotected)

99h(factory-locked),

19h(customer-lock-

able)

Legend:

T= Top Boot Block, B = Bottom Boot Block, L=Logic Low=VIL, H=Logic High=VIH, SA=Sector Address, X = Don’t care

ES29LV320D

12

Rev. 2D Jan 5, 2006

Table 3. Top Boot Sector Addresses (ES29LV320DT)

ESI

ESI

Excel Semiconductor inc.

Group Sector

SA0 000000XXX 64/32 000000h~00FFFFh 000000h~07FFFh

SG0

SG1

SG2

SG3

SG4

SG5

SG6

SG7

SG8

SG9

SG10

SG11

SG12

SG13

SA1 000001XXX 64/32 010000h~01FFFFh 008000h~0FFFFh
SA2 000010XXX 64/32 020000h~02FFFFh 010000h~17FFFh
SA3 000011XXX 64/32 030000h~03FFFFh 018000h~01FFFFh
SA4 000100XXX 64/32 040000h~04FFFFh 020000h~027FFFh
SA5 000101XXX 64/32 050000h~05FFFFh 028000h~02FFFFh
SA6 000110XXX 64/32 060000h~06FFFFh 030000h~037FFFh
SA7 000111XXX 64/32 070000h~07FFFFh 038000h~03FFFFh
SA8 001000XXX 64/32 080000h~08FFFFh 040000h~047FFFh

SA9 001001XXX 64/32 090000h~09FFFFh 048000h~04FFFFh
SA10 001010XXX 64/32 0A0000h~0AFFFFh 050000h~057FFFh
SA11 001011XXX 64/32 0B0000h~0BFFFFh 058000h~05FFFFh
SA12 001100XXX 64/32 0C0000h~0CFFFFh 060000h~067FFFh
SA13 001101XXX 64/32 0D0000h~0DFFFFh 068000h~06FFFFh
SA14 001110XXX 64/32 0E0000h~0EFFFFh 070000h~077FFFh
SA15 001111XXX 64/32 0F0000h~0FFFFFh 078000h~07FFFFh
SA16 010000XXX 64/32 100000h~10FFFFh 080000h~087FFFh
SA17 010001XXX 64/32 110000h~11FFFFh 088000h~08FFFFh
SA18 010010XXX 64/32 120000h~12FFFFh 090000h~097FFFh
SA19 010011XXX 64/32 130000h~13FFFFh 098000h~09FFFFh
SA20 010100XXX 64/32 140000h~14FFFFh 0A0000h~0A7FFF h
SA21 010101XXX 64/32 150000h~15FFFFh 0A8000h~0AFFFFh
SA22 010110XXX 64/32 160000h~16FFFFh 0B0000h~0B7FFF h
SA23 010111XXX 64/32 170000h~17FFFFh 0B8000h~0BFFFFh
SA24 011000XXX 64/32 180000h~18FFFFh 0C0000h~0C7FFFh
SA25 011001XXX 64/32 190000h~19FFFFh 0C8000h~0CFFFFh
SA26 011010XXX 64/32 1A0000h~1AFFFFh 0D0000h~0D7FFFh
SA27 011011XXX 64/32 1B0000h~1BFFFFh 0D8000h~0DFFFFh
SA28 011100XXX 64/32 1C0000h~1CFFFFh 0E0000h~0E7FFFh
SA29 011101XXX 64/32 1D0000h~1DFFFFh 0E8000h~0EFFFFh
SA30 011110XXX 64/32 1E0000h~1EFFFFh 0F0000h~0F7FFFh
SA31 011111XXX 64/32 1F0000h~1FFFFFh 0F8000h~0FFFFFh
SA32 100000XXX 64/32 200000h~20FFFFh 100000h~107FFFh
SA33 100001XXX 64/32 210000h~21FFFFh 108000h~10FFFFh
SA34 100010XXX 64/32 220000h~22FFFFh 110000h~117FFFh
SA35 100011XXX 64/32 230000h~23FFFFh 118000h~11FFFFh
SA36 100100XXX 64/32 240000h~24FFFFh 120000h~127FFFh
SA37 100101XXX 64/32 250000h~25FFFFh 128000h~12FFFFh
SA38 100110XXX 64/32 260000h~26FFFFh 130000h~137FFFh
SA39 100111XXX 64/32 270000h~27FFFFh 138000h~13FFFFh
SA40 101000XXX 64/32 280000h~28FFFFh 140000h~147FFFh
SA41 101001XXX 64/32 290000h~29FFFFh 148000h~14FFFFh
SA42 101010XXX 64/32 2A0000h~2AFFFFh 150000h~157FFFh
SA43 101011XXX 64/32 2B0000h~2BFFFFh 158000h~15FFFFh
SA44 101100XXX 64/32 2C0000h~2CFFFFh 160000h~167FFFh
SA45 101101XXX 64/32 2D0000h~2DFFFFh 168000h~16FFFFh
SA46 101110XXX 64/32 2E0000h~2EFFFFh 170000h~177FFFh
SA47 101111XXX 64/32 2F0000h~2FFFFFh 178000h~17FFFFh
SA48 110000XXX 64/32 300000h~30FFFFh 180000h~187FFFh
SA49 110001XXX 64/32 310000h~31FFFFh 188000h~18FFFFh
SA50 110010XXX 64/32 320000h~32FFFFh 190000h~197FFFh
SA51 110011XXX 64/32 330000h~33FFFFh 198000h~19FFFFh
SA52 110100XXX 64/32 340000h~34FFFFh 1A0000h~1A7FFF h
SA53 110101XXX 64/32 350000h~35FFFFh 1A8000h~1AFFFFh
SA54 110110XXX 64/32 360000h~36FFFFh 1B0000h~1B7FFFh
SA55 110111XXX 64/32 370000h~37F FFFh 1B8000h~1BFFFFh

Sector address

A20~A12

Sector Size

(Kbytes/Kwords)

(X8)

Address Range

(X16)

Address Range

Remark

Main
Sector

ES29LV320D

13

Rev. 2D Jan 5, 2006

Table 3. Top Boot Sector Addresses (ES29LV320DT) Continued

ESI

ESI

Excel Semiconductor inc.

Group Sector

SA56 111000XXX 64/32 380000h~38FFFFh 1C0000h~1C7FFFh

SG14

SG15

SG16 SA63 111111000 8/4 3F0000h~3F1FFFh 1F8000h~1F8FFFh
SG17 SA64 111111001 8/4 3F2000h~3F3FFFh 1F9000h~1F9FFFh
SG18 SA65 111111010 8/4 3F4000h~3F5FFFh 1FA000h~1FAFFFh
SG19 SA66 111111011 8/4 3F6000h~3F7FFFh 1FB000h~1FBFFFh
SG20 SA67 111111100 8/4 3F8000h~3F9FFFh 1FC000h~1FCFFFh
SG21 SA68 111111101 8/4 3FA000h~3FBFFFh 1FD000h~1FDFFFh
SG22 SA69 111111110 8/4 3FC000h~3FDFFFh 1FE000h~1FEFFFh
SG23 SA70 111111111 8/4 3FE000h~3FFFFFh 1FF000h~1FFFFFh

Security Sector 111111111

SA57 111001XXX 64/32 390000h~39FFFFh 1C8000h~1CFFFFh
SA58 111010XXX 64/32 3A0000h~3AFFFFh 1D0000h~1D7FFFh
SA59 111011XXX 64/32 3B0000h~3BFFFFh 1D8000h~1DFFFFh
SA60 111100XXX 64/32 3C0000h~3CFFFFh 1E0000h~1E7FFFh
SA61 111101XXX 64/32 3D0000h~3DFFFFh 1E8000h~1EFFFFh
SA62 111110XXX 64/32 3E0000h~3EFFFFh 1F0000h~1F7FFFh

Sector address

A20~A12

Sector Size

(Kbytes/Kwords)

bytes/words

(256/128)

(X8)

Address Range

3FFF00h~3FFFFFh 1FFF80h~1FFFFFh

(X16)

Address Range

Note:

The addresses range is A20:A-1 in byte mode (BYTE#=VIL) or A20:A0 in word mode (BYTE#=VIH).

Remark

Main
Sector

Boot
Sector

SA69,SA70
protected
at WP#/
ACC=low

ES29LV320D

14

Rev. 2D Jan 5, 2006

Table 4. Bottom Boot Sector Addresses (ES29LV320DB)

ESI

ESI

Excel Semiconductor inc.

Group Sector

SG0 SA0 000000000 8/4 000000h~001FFFh 000000h~000FFFh
SG1 SA1 000000001 8/4 002000h~003FFFh 001000h~001FFFh
SG2 SA2 000000010 8/4 004000h~005FFFh 002000h~002FFFh
SG3 SA3 000000011 8/4 006000h~007FFFh 003000h~003FFFh
SG4 SA4 000000100 8/4 008000h~009FFFh 004000h~004FFFh
SG5 SA5 000000101 8/4 00A000h~00BFFFh 005000h~005FFFh
SG6 SA6 000000110 8/4 00C000h~00DFFFh 006000h~006FFFh
SG7 SA7 000000111 8/4 00E000h~00FFFFh 007000h~007FFFh

SA8 000001XXX 64/32 010000h~01FFFFh 008000h~00FFFFh

SG8

SG9

SG10

SG11

SG12

SG13

SG14

SG15

SG16

SG17

SG18

SG19

SA9 000010XXX 64/32 020000h~02FFFFh 010000h~017FFFh
SA10 000011XXX 64/32 030000h~03FFFFh 018000h~01FFFFh
SA11 000100XXX 64/32 040000h~04FFFFh 020000h~027FFFh
SA12 000101XXX 64/32 050000h~05FFFFh 028000h~02FFFFh
SA13 000110XXX 64/32 060000h~06FFFFh 030000h~037FFFh
SA14 000111XXX 64/32 070000h~07FFFFh 038000h~03FFFFh
SA15 001000XXX 64/32 080000h~08FFFFh 040000h~047FFFh
SA16 001001XXX 64/32 090000h~09FFFFh 048000h~04FFFFh
SA17 001010XXX 64/32 0A0000h~0AFFFFh 050000h~057FFFh
SA18 001011XXX 64/32 0B0000h~0BFFFFh 058000h~05FFFFh
SA19 001100XXX 64/32 0C0000h~0CFFFFh 060000h~067FFFh
SA20 001101XXX 64/32 0D0000h~0DFFFFh 068000h~06FFFFh
SA21 001110XXX 64/32 0E0000h~0EFFFFh 070000h~077FFFh
SA22 001111XXX 64/32 0F0000h~0FFFFFh 078000h~07FFFFh
SA23 010000XXX 64/32 100000h~10FFFFh 080000h~087FFFh
SA24 010001XXX 64/32 110000h~11FFFFh 088000h~08FFFFh
SA25 010010XXX 64/32 120000h~12FFFFh 090000h~097FFFh
SA26 010011XXX 64/32 130000h~13FFFFh 098000h~09FFFFh
SA27 010100XXX 64/32 140000h~14FFFFh 0A0000h~0A7FFFh
SA28 010101XXX 64/32 150000h~15FFFFh 0A8000h~0AFFFFh
SA29 010110XXX 64/32 160000h~16FFFFh 0B0000h~0B7FFFh
SA30 010111XXX 64/32 170000h~17FFFFh 0B8000h~0BFFFFh
SA31 011000XXX 64/32 180000h~18FFFFh 0C0000h~0C7FFFh
SA32 011001XXX 64/32 190000h~19FFFFh 0C8000h~0CFFFFh
SA33 011010XXX 64/32 1A0000h~1AFFFFh 0D0000h~0D7FFFh
SA34 011011XXX 64/32 1B0000h~1BFFFFh 0D8000h~0DFFFFh
SA35 011100XXX 64/32 1C0000h~1CFFFFh 0E0000h~0E7FFFh
SA36 011101XXX 64/32 1D0000h~1DFFFFh 0E8000h~0EFFFFh
SA37 011110XXX 64/32 1E0000h~1EFFFFh 0F0000h~0F7FFFh
SA38 011111XXX 64/32 1F0000h~1FFFFFh 0F8000h~0FFFFFh
SA39 100000XXX 64/32 200000h~20FFFFh 100000h~107FFFh
SA40 100001XXX 64/32 210000h~21FFFFh 108000h~10FFFFh
SA41 100010XXX 64/32 220000h~22FFFFh 110000h~117FFFh
SA42 100011XXX 64/32 230000h~23FFFFh 118000h~11FFFFh
SA43 100100XXX 64/32 240000h~24FFFFh 120000h~127FFFh
SA44 100101XXX 64/32 250000h~25FFFFh 128000h~12FFFFh
SA45 100110XXX 64/32 260000h~26FFFFh 130000h~137FFFh
SA46 100111XXX 64/32 270000h~27FFFFh 138000h~13FFFFh
SA47 101000XXX 64/32 280000h~28FFFFh 140000h~147FFFh
SA48 101001XXX 64/32 290000h~29FFFFh 148000h~14FFFFh
SA49 101010XXX 64/32 2A0000h~2AFFFFh 150000h~157FFFh
SA50 101011XXX 64/32 2B0000h~2BFFFFh 158000h~15FFFFh
SA51 101100XXX 64/32 2C0000h~2CFFFFh 160000h~167FFFh
SA52 101101XXX 64/32 2D0000h~2DFFFFh 168000h~16FFFFh
SA53 101110XXX 64/32 2E0000h~2EFFFFh 170000h~177FFFh
SA54 101111XXX 64/32 2F0000h~2FFFFFh 178000h~17FFFFh

Sector address

A20~A12

Sector Size

(Kbytes/Kwords)

(X8)

Address Range

(X16)

Address Range

Remark

Boot
Sector

SA0,SA1
protected
at WP#/
ACC=low

Main
Sector

ES29LV320D

15

Rev. 2D Jan 5, 2006

Table 4. Bottom Boot Sector Addresses (ES29LV320DB) Continued

ESI

ESI

Excel Semiconductor inc.

Group Sector

SA55 110000XXX 64/32 300000h~30FFFFh 180000h~187FFFh

SG20

SG21

SG22

SG23

Security Sector 000000000

SA56 110001XXX 64/32 310000h~31FFFFh 188000h~18FFFFh
SA57 110010XXX 64/32 320000h~32FFFFh 190000h~197FFFh
SA58 110011XXX 64/32 330000h~33FFFFh 198000h~19FFFFh
SA59 110100XXX 64/32 340000h~34FFFFh 1A0000h~1A7FFFh
SA60 110101XXX 64/32 350000h~35FFFFh 1A8000h~1AFFFFh
SA61 110110XXX 64/32 360000h~36FFFFh 1B0000h~1B7FFFh
SA62 110111XXX 64/32 370000h~37FFFFh 1B8000h~1BFFFFh
SA63 111000XXX 64/32 380000h~38FFFFh 1C0000h~1C7FFFh
SA64 111001XXX 64/32 390000h~39FFFFh 1C8000h~1CFFFFh
SA65 111010XXX 64/32 3A0000h~3AFFFFh 1D0000h~1D7FFFh
SA66 111011XXX 64/32 3B0000h~3BFFFFh 1D8000h~1DFFFFh
SA67 111100XXX 64/32 3C0000h~3CFFFFh 1E0000h~1E7FFFh
SA68 111101XXX 64/32 3D0000h~3DFFFFh 1E8000h~1EFFF Fh
SA69 111110XXX 64/32 3E0000h~3EFFFFh 1F0000h~1F7FFFh
SA70 111111XXX 64/32 3F0000h~3FFFFFh 1F8000h~1FFFFFh

Sector address

A20~A12

Sector Size

(Kbytes/Kwords)

bytes/words

(256/128)

(X8)

Address Range

000000h~0000FFh 000000h~00007Fh

Address Range

Note:

The addresses range is A20:A-1 in byte mode (BYTE#=VIL) or A20:A0 in word mode (BYTE#=VIH).

(X16)

Remark

Main
Sector

ES29LV320D

16

Rev. 2D Jan 5, 2006

ESI

ESI

Excel Semiconductor inc.

Temporary Sector

Unprotect Mode

Increment

COUNT

No

COUNT=25?

Yes Yes

Device failed

No

Set up sector
address

Sector Protect:
Write 60h to sec­tor address with
A6 = 0, A1 = 1,
A0 = 0

Write 40h to sec-

tor address with

A6 = 0, A1 = 1,

Read from sec-

tor address with

A6 = 0, A1 = 1,

No

Sector Protect

In-System Protection / Unprotection Method

START

COUNT = 1

RESET# = V

Wait 1us

First Write
Cycle = 60h?

Yes

Wait 150us

Verify Se ctor

Protect:

A0 = 0

A0 = 0

Data = 01h?

Protect another

sector?

No

Remove VID

from RESET#

Write reset

command

complete

Protect all sectors:
The indicated por­tion of the sector

ID

Reset

COUNT = 1

Yes

protect algorithm
must be performed
for all unprotected
sectors prior to
issuing the first
sector unprotect
address

Increment

COUNT

No

COUNT
=1000?

Yes Yes

Device failed

No

No

START

COUNT = 1

RESET# = V

Wait 1us

First Write
Cycle = 60h?

All sectors

protected ?

Set up first sector
address

Sector Unpro­tect:
Write 60h to sec­tor address with
A6 = 1, A1 = 1,

Wait 15ms

Verify Se ctor
Unprotect:
Write 40h to sec­tor address with
A6 = 1, A1 = 1,
A0 = 0

Read from sec­tor address with
A6 = 1, A1 = 1,
A0 = 0

Data = 00h?

Last sector

verified?

Remove VID from
RESET#

Write reset

command

Yes

Yes

Yes

ID

No

Temporary Sector

Unprotect Mode

Set up next
sector address

No

Figure 3. In-System Sector
Protect Algorithm

ES29LV320D

17

Sector Unprotect
complete

Figure 4. In-System Sector
Unprotect Algorithm

Rev. 2D Jan 5, 2006

ESI

ESI

Excel Semiconductor inc.

A9 High-Voltage Method

Start

Start

COUNT = 1

SET A9=OE#=V

ID

Note: All sectors must be
previously protected.

COUNT = 1

SET A9=OE#=V

ID

Increase COUNT

No

COUNT= 25?

Yes

Device failed

CE#,OE#,A6,A0=V
RESET#, A1 = V

No

Set Sector Address
A<20 :12>
CE#, A6, A0=V

RESET#, A1=V

SET WE# = V

Wait 150 us

SET WE# = V

Read Data

Data = 01h?

Protect Another
Sector ?

Remove VID from
A9 and Write

Reset Command

IL

IH

IL

IH

IH

Yes

No

CE#, A0=V
RESET#,

A6, A1=V

SET WE# = V

Wait 15ms

SET WE# = V

Increase COUNT

IL

No

COUNT=1000?

Yes

Yes

Device failed

CE#,OE#, A0=V
RESET#, A6, A1=V

Set Sector AddressA<20 :12>

Read Data

No

Data = 00h?

Yes

The Last Sector
Address ?

Remove VID from A9 and
Write Reset Command

IH

Yes

,

IL

IL

IH

IL

IH

Increase Sector
Address

No

Sector Protection
Complete

Figure 5. Sector Protection Algorithm
(A9 High-Voltage Method)

ES29LV320D

18

Sector Unprotection
Complete

Figure 6. Sector Un-Protection Algorithm
(A9 High-Voltage Method)

Rev. 2D Jan 5, 2006