Datasheet MSM27V3255CZ Datasheet (OKI)

¡

Semiconductor

MSM27V3255CZ

1,048,576-Double Word x 32-Bit or 2,097,152-Word x 16-Bit
4-Double Word x 32-Bit or 8-Word x 16-Bit Page Mode One Time PROM

DESCRIPTION

The MSM27V3255CZ is a 32Mbit electrically Programmable Read-Only Memory with page mode. Its
configuration can be electrically switched between 1,048,576 double word x 32bit and 2,097,152
word x 16bit. The MSM27V3255CZ operates on a single +3.3V power supply and is TTL compatible.
The MSM27V3255CZ provides Page mode which can greatly reduce the read access time. Since the
MSM27V3255CZ operates asynchronously , external clocks are not required , making this device
easy-to-use. The MSM27V3255CZ is suitable as large-capacity fixed memory for microcomputers
and data terminals. It is manufactured using a CMOS double silicon gate technology and is offered in
70-pin SSOP package.

FEATURES

• 1,048,576 double word x 32bit / 2,097,152 word x 16bit electrically switchable configuration

• Single +3.3V power supply

• Access time 100ns
Page mode access time 30ns

• Input / Output TTL compatible

• Three-state output

• Packages
70-pin plastic SSOP (SSOP70-P-500-0.80-K)

1A

October 1998

1

PIN CONFIGURATION (TOP VIEW)

V

A0
A1
A2
A3
A4
A5

V

CC

D0

D16

D1

D17

V

SS

V

CC

D2

D18

D3

D19

D4

D20

D5

D21

V

SS

V

CC

D6

D22

D7

D23

V

SS

A6
A7
A8

A9
A10
A11
A12

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36

PP

NC
NC
WORD
OE
CE

V

SS

D31/A-1
D15
D30
D14
V

SS

V

CC

D29
D13
D28
D12
D27
D11
D26
D10
V

SS

V

CC

D25
D9
D24
D8

V

CC

A19
A18
A17
A16
A15
A14
A13

MSM27V3255CZ

PIN NAMES

FUNCTIONS

D31/A-1 Data output / Address input
A0 - A19 Address input
D0 - D30 Data output

CE
OE

V

CC

V

SS

WORD

V

PP

NC

Chip enable
Output enable
Power supply voltage

GND

Mode switch
Program power supply voltage
Non connection

70-pin SSOP

2

BLOCK DIAGRAM

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19

Address Buffer

A-1

X16/X32 Switch

CE WORDOE

CE PGMOE

Row Decoder

Column Decoder

MSM27V3255CZ

Memory Matrix

1,048,576X32-Bit or 2,097,152X16-Bit

Multiplexer & Page Data Latch

Output Buffer

FUNCTION TABLE

MODE
READ (32-Bit)
READ (16-Bit)

OUTPUT DISABLE

STAND-BY
PROGRAM

PROGRAM INHIBIT
PROGRAM VERIFY

* : Don't Care

D0

D2

D4

D6

D8

D10

D12

D14

D16

D18

D20

D22

D24

D1

D3

D5

D7

D9

D11

D13

D15

D17

D19

D21

D23

In 16-bit output mode, these pins are
three-stated and pin D31 functions
as the A-1 address pin.

CE OE

LL
L

L

LH

H

*

WORD

H

L

H

L

H

L

V

PP

LH
H H Hi-Z

L

11.0V

HL

V

CC

D16 - D30D0 - D15

D

D

OUT

3.3V

*

Hi-Z
Hi-Z

Hi-Z

D

IN

Hi-Z

5.0V
D

OUT

Hi-Z

D25

OUT

D26

D27

D28

D29

D30

D31

D31/A-1

L/H

*

*

L/H

L/H

3

ABSOLUTE MAXIMUM RATINGS

MSM27V3255CZ

Parameter
Operating temperature under bias
Storage temperature

Input voltage
Output voltage
Power supply voltage
Program power supply voltage
Power dissipation per package

Symbol

Topr

T

stg

V

I

V

O

V

CC

V

PP

P

D

-

relative to V

-

SS

RECOMMENDED OPERATING CONDITIONS FOR READ

Parameter Symbol
VCC power supply voltage
VPP power supply voltage
Input "H" level
Input "L" level

Voltage is relative to Vss

V

CC

V

PP

V

IH

V

IL

Condition

VCC=3.0V-3.6V

0 to 70

-55 to 125
+ 0.5

CC

(Ta=0 to 70°C)

Min. Max.

3.0

-0.5

Typ.

-

-

-

-

3.6
+0.5

V

CC

+0.52.2

V

CC

0.6-0.5

UnitValueCondition

°C
°C

V-0.5 to V
V-0.5 to VCC + 0.5
V-0.5 to 7
V-0.5 to 12.5

W1.0

Unit

V
V
V
V

4

ELECTRICAL CHARACTERISTICS (Read operation)

DC Characteristics

Parameter

Input leakage current
Output leakage current
V

power supply current

CC

(Standby)

V

power supply current

CC

(Read)
V

power supply current

PP

Input "H" level
Input "L" level
Output "H" level
Output "L" level

Voltage is relative to Vss

AC Characteristics

Parameter

Address access cycle time
Address access time
Page set up time
Page access cycle time
Page access time
CE access time
OE access time

Output disable time
Output hold time

NOTE(1) T

is defined as the end of either CE trailing edge or address transition in random access

PSET

term until the first page address transition.

Symbol

I

LI

I

LO

I

CS1

I

CS2

I

CCA

I

PP

V

IH

V

IL

V

OH

V

OL

Symbol

T

C

T

ACC

T

PSET

T

PC

T

PAC

T

CE

T

OE

T

CHZ

T

OHZ

T

OH

VI=0 to Vcc

VO=0 to Vcc

CE=V

IL ,

tc=100ns

I

CE=OE=V

CE=OE=V

CE=V

CE=V
OE=V

V

PP=VCC

-

-

=-400µA

OH

=2.1mA

OL

Condition

-

NOTE(1)

-

­OE=V
CE=V
OE=V
CE=V

CC

IH
IH

IL
IL
IL
IL

MSM27V3255CZ

=3.3V±0.3V, Ta=0 to 70°C)

(V

CC

Min. Max.

2.2

-0.5 V

2.4

(V

CC

IL

IL

Typ.

-

-

-

-

-mA

-

-

-

-

-

-

-

-

-

-

-

10
10
50

1

80

10

VCC+0.5

0.6

-

0.45

UnitCondition

µA
µA
µA

mA

µA

V

V
VI

=3.3V±0.3V, Ta=0 to 70°C)

Min. Max.
100

-

120

30

-

-

­0

0
0

-

100

-

-

30

100

30
30
25

-

Unit

ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

Measurement conditions
Input signal level
Input timing reference level
Output load
Output timing reference level

Output

0V/3V

0.8V/2.0V

100pF

0.8V/2.0V

1.5V

400ohms

100pF (including jig capacitance)

5

TIMING CHART

NORMAL MODE READ CYCLE

ADDRESS

CE

OE

MSM27V3255CZ

t

C

t

t

CE

t

OE

OH

t

CHZ

DOUT

PAGE MODE READ CYCLE

A2 - A19

A0 - A1 (X32 mode)
A-1 - A1 (X16 mode)

CE

t

t

CE

t

C

PSET

t

PSET

t

OE

t

ACC

t

OHZ

Valid Data

Hi-ZHi-Z

t

PC

t

PC

t

OH

t

CHZ

OE

DOUT

Hi-Z

t

ACC

t

PAC

t

PAC

t

OHZ

Hi-Z

6

ELECTRICAL CHARACTERISTICS (Programming operation)

DC Characteristics

Parameter
Input leakage current
V

power supply current (Program)

PP

power supply current

V

CC

Input "H" level
Input "L" level
Output "H" level
Output "L" level
Program voltage
V

power supply voltage

CC

Voltage is relative to Vss

Symbol

I

LI

I

PP2

I

CC

V

IH

V

IL

V

OH

V

OL

V

PP

V

CC

Condition

V

I=VCC

CE=V

=2.1mA

I

OL

+0.5V

IL

-

-

-

-

Min. Max.

-

-

-

2.2

-0.5

2.4

-

4.75

Typ.

-

-

--

-

-

-

-

11.0

5.0

MSM27V3255CZ

(Ta=25°C±5°C)

Unit

10
50

100

VCC+0.5

0.8

-

0.45

11.2510.75

5.25

µA
mA
mA

V
V

VIOH=-400µA
V
V
V

AC Characteristics

Parameter
Address set-up time
OE set-up time
Data set-up time

Address hold time
Data hold time
Output float delay from OE

voltage set-up time

V

PP

Program pulse width
Data valid from OE
Address hold from OE high

PIN Capacitance

Parameter

Input
Output

Symbol

Symbol

C

IN

C

OUT

T

T

T

T

T
T
T

T

T

T

AS

OES

DS
AH
DH

DFP

VS
PW
OE

AHO

(V

=5.0V±0.25V,Vpp=11.0V±0.25V,Ta=25°C±5°C)

cc

Condition

-

-

-

-

-

-

-

-

Min. Max.

2
2
2
0
2 µs
0
2

-

0

Typ.

-

-

--

-

-

-

-

25

--

-

-

-

-

-

-

130

-

2723

150

-

(VCC=3.3V, Ta=25°C, f=1MHz)

Condition

VI=0V

=0V

V

O

Min. Max.

-

--

Typ.

-

12
15

Unit

µs
µs

µs
µs

ns

µs
µs

ns
µs

Unit

pF

7

MSM27V3255CZ

Programming Waveforms ( I ) : Under High Speed Programming Algorithm ( I )

Program and Program Verify Cycle Waveforms

A-1 - A19

t

t

AS

t

PW

AHO

CE

t

OES

t

DFP

OE

D0 - D15

V

PP

t

DS

D

IN

t

VS

Program

t

DH

t

OE

D

OUT

Program Verify

Programming Waveforms ( II ) : Under High Speed Programming Algorithm ( II )

Consecutive Programming Waveforms

A-1 - A19

t

AS

t

PW

t

AH

CE

OE

D0 - D15

V

PP

High

t

DS

t

DH

Din Din

t

VS

8

Consecutive Program Verify Waveforms

A-1 - A19

High

CE

MSM27V3255CZ

t

ACC

OE

t

OE

D0 - D15

V

PP

Dout

Program and Program Verify Cycle Waveforms

A-1 - A19

t

AS

t

PW

CE

t

AHO

t

11.0V

DFP

Dout

t

AHO

OE

D0 - D15

V

PP

t

DFP

t

OES

t

DS

t

DH

Din

t

OE

Dout

t

DFP

11.0V

Program

Program Verify

9

High Speed Programming Algorithm ( I )

MSM27V3255CZ

Start

First Address

VCC=5.0V

VPP=11.0V

X=0

Increment Address

NG

NO

X=10 ?

NO

Program 25µs

X=X+1

Verify (One Byte)

PASS

Last Address ?

YES

VCC=3.6V
V

=3.6V

PP

Compare All

YES

NG

PASS

VCC=3.0V

V

=3.0V

PP

Compare All

PASS

Device Passed

NG

Device Failed

10

High Speed Programming Algorithm ( II )

First Address

VCC=5.0V

V

Program 25µs

Start

=11.0V

PP

MSM27V3255CZ

Increment Address

Increment Address

NO

Last Address ?

First Address

Verify (One Byte)

NO

Last Address ?

Compare All

YES

X=0

PASS

YES

VCC=3.6V

V

=3.6V

PP

NG

NG

X=X+1

YES

X=10 ?

NO

Program 25µs

PASS

VCC=3.0V

V

=3.0V

PP

Compare All

PASS

Device Passed

NG

Device Failed

11

Semiconductor

NOTICE

The information contained herein can change without notice owing to product and/or technical im­provements. Before using the product, please make sure that the information being referred to is up-to­date.

The outline of action and examples for application circuits described herein have been chosen as an
explanation for the standard action and performance of the product. When planning to use the product,
please ensure that the external conditions are reflected in the actual circuit, assembly, and program
designs.

When designing your product, please use our product below the specified maximum ratings and within
the specified operating ranges including, but not limited to, operating voltage, power dissipation, and
operating temperature.

Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected opera­tion resulting from misuse, neglect, improper installation, repair, alteration or accident, improper han­dling, or unusual physical or electrical stress including, but not limited to, exposure to parameters be­yond the specified maximum ratings or operation outside the specified operating range.

Neither indemnity against nor license of a third party’s industrial and intellectual property right, etc. is
granted by us in connection with the use of the product and/or the information and drawings contained
herein. No responsibility is assumed by us for any infringement of a third party’s right which may result
from the use thereof.

The products listed in this document are intended for use in general electronics equipment for commer­cial applications (e.g., office automation, communication equipment, measurement equipment, consumer
electronics, etc.). These products are not authorized for use in any system orapplication that requires
special or enhanced quality and reliability characteristics nor in any system or application where the
failure of such system or application may result in the loss or damage of property, or death or injury to
humans. Such applications include, but are not limited to, traffic and automotive equipment, safety de­vices, aerospace equipment, nuclear power control, medical equipment, and life-support systems.

Certain products in this document may need government approval before they can be exported to par­ticular countries. The purchaser assumes the responsibility of determining the legality of export of these
products and will take appropriate and necessary steps at their own expense for these.

No part of the contents cotained herein may be reprinted or reproduced without our prior permission.

All brand, company and product names are the trademarks or registered trademarks of their respective
owners.

Copyright 1998 Oki Electric Industry Co., Ltd.

Marketing Communications Team (RB)

Page 1

People To People Technology

ADDRESSES & SEMICONDUCTOR WEB SITES

OKI Electric Industry Co., Ltd.OKI Electric Industry Co., Ltd.

OKI Electric Industry Co., Ltd.,

OKI Electric Industry Co., Ltd.OKI Electric Industry Co., Ltd.
Device Business Group,
10-3, Shibaura, 4-chome,
Minato-ku, Tokyo 108, Japan,
Tel.: [phone],
Fax.: [phone],

http://www.oki.co.jp/semi/

OKI Semiconductor GroupOKI Semiconductor Group

OKI Semiconductor Group,

OKI Semiconductor GroupOKI Semiconductor Group
785 North Mary Avenue,
Sunnyvale, CA 94086, U.S.A.,
Tel.: [phone],
Fax.: [phone],

http://www.okisemi.com/

OKI Electric Europe GmbHOKI Electric Europe GmbH

OKI Electric Europe GmbH,

OKI Electric Europe GmbHOKI Electric Europe GmbH
Head Office Europe,
Hellersbergstrasse 2,
D-41460 Neuss, Germany,
Tel: [phone],
Fax: [phone],

http://www.oki-europe.de/

OKI Electronics (Hong Kong) Ltd.OKI Electronics (Hong Kong) Ltd.

OKI Electronics (Hong Kong) Ltd.,

OKI Electronics (Hong Kong) Ltd.OKI Electronics (Hong Kong) Ltd.
Suite 1901-1&19, Tower 3,
China Hong Kong City,
33 Canton Road, Tsimshatsui,
Kowloon, Hong Kong,
Tel.: [phone],
Fax.: [phone]

OKI Semiconductor (Asia) Pte. Ltd.OKI Semiconductor (Asia) Pte. Ltd.

OKI Semiconductor (Asia) Pte. Ltd.,

OKI Semiconductor (Asia) Pte. Ltd.OKI Semiconductor (Asia) Pte. Ltd.
78 Shenton Way 09-01,
Singapore 0207,
Tel.: [phone],
Fax.: [phone]

OKI Semiconductor (Asia) Pte. Ltd.OKI Semiconductor (Asia) Pte. Ltd.

OKI Semiconductor (Asia) Pte. Ltd.,

OKI Semiconductor (Asia) Pte. Ltd.OKI Semiconductor (Asia) Pte. Ltd.
Taipei Branch,
7th Fl. No.260, Tun Hwa North Road,
Taipei, Taiwan, R.O.C.,
Sumitomo-Flysun Building,
Tel.: [phone],
Fax.: [phone]

http://www.oki.net.tw/

For further information, please contact: