Datasheet MSM27C802CZ Datasheet (OKI)

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Semiconductor

MSM27C802CZ

524,288-Word x 16-Bit or 1,048,576-Word x 8-Bit One Time PROM

DESCRIPTION

The MSM27C802CZ is a 8Mbit electrically Programmable Read-Only Memory whose configuration

can be electrically switched between 524,288 word x 16bit and 1,048,576 word x 8bit. The MSM27
C802CZ operates on a single +5V power supply and is TTL compatible. Since the MSM27C802CZ
operates asynchronously , external clocks are not required , making this device easy-to-use. The
MSM27C802CZ 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 42-pin DIP , 44-pin
SOP or 44-pin TSOP packages.

FEATURES

• 524,288 word x 16bit / 1,048,576 word x 8bit electrically switchable configuration

• Single +5V power supply

• Access time 80ns

• Input / Output TTL compatible

• Three-state output

• Packages 42-pin plastic DIP (DIP42-P-600-2.54)
44-pin plastic SOP (SOP44-P-600-1.27-K)
44-pin plastic TSOP (TSOP II 44-P-400-0.80-K)

1A

May 1999

1

PIN CONFIGURATION (TOP VIEW)

MSM27C802CZ

A18
A17

A7
A6
A5
A4
A3
A2
A1
A0

CE

V

SS

OE

D0
D8
D1
D9
D2

D10

D3

D11

10
11
12
13
14
15
16
17
18
19
20
21

NC

1
1
2
3
4
5
6
7
8
9

NC

42

A8

41

A9

40

A10

39

A11

38

A12

37

A13

36

A14

35

A15

34

A16

33
32

BYTE/Vpp
V

31

D15/A-1

30

D7

29

D14

28

D6

27

D13

26

D5

25

D12

24

D4

23

V

22

SS

CC

A18
A17

A7
A6
A5
A4
A3
A2
A1
A0

CE

V

SS

OE

D0
D8
D1
D9
D2

D10

D3

D11

2

3

4

5

6

7

8

9

10
11
12
13
14
15
16
17
18
19
20
21

NC

44

NC

43

A8

42

A9

41

A10

40

A11

39

A12

38

A13

37

A14

36

A15

35

A16

34
33

BYTE/Vpp
V

32

D15/A-1

31

D7

30

D14

29

D6

28

D13

27

D5

26

D12

25

D4

24

V

2322

SS

CC

NC
A18
A17

A7
A6
A5
A4
A3
A2
A1
A0

CE
V

SS

OE

D0
D8
D1
D9
D2

D10

D3

D11

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21

NC

44

NC

43

A8

42

A9

41

A10

40

A11

39

A12

38

A13

37

A14

36

A15

35

A16

34
33

BYTE/Vpp

V

32

D15/A-1

31

D7

30

D14

29

D6

28

D13

27

D5

26

D12

25

D4

24

V

2322

SS

CC

42-pin DIP

44-pin SOP

PIN NAMES

FUNCTIONS

D15/A-1 Data Output / Address Input
A0 - A18 Address Input
D0 - D14 Data Output

CE
OE

V

CC

V

SS

BYTE/V

NC

PP

Chip Enable
Output Enable
Power Supply Voltage
GND
Mode Switch / Program Power Supply Voltage
Non Connection

44-pin TSOP

2

BLOCK DIAGRAM

MSM27C802CZ

A-1

X8/X16 Switch

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

Address Buffer

CE BYTE/V

OE

CE PGMOE

Memory Matrix

Row Decoder

524,288X16-Bit or 1,048,576X8-Bit

Multiplexer

Column Decoder

Output Buffer

D0

D1D2D3D4D5D6D7D8D9

PP

D10

D11

D12

D13

D14

D15

FUNCTION TABLE

MODE
READ (16-Bit)
READ (8-Bit)

OUTPUT DISABLE

STAND-BY
PROGRAM

PROGRAM INHIBIT
PROGRAM VERIFY

* : Don't Care

In 8-bit output mode, these pins are
three-stated and pin D15 functions
as the A-1 address pin.

PP

V

CC

5.0V

6.25V

D

OUT

D8 - D14D0 - D7

D

Hi-Z
Hi-Z

Hi-Z

D

D

L

H

*

BYTE/V

H

L

H

L

H

L

CE OE

LL
L

L

H
LH

H H Hi-Z

11.5V

HL

D15/A-1

OUT

L/H

*

*

IN

OUT

3

ABSOLUTE MAXIMUM RATINGS

MSM27C802CZ

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=4.5V - 5.5V

0 to 70

-55 to 125
+ 0.5

CC

(Ta=0 to 70°C)

Min. Max.

4.5

-0.5

Typ.

-

-

-

-

5.5
+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)

MSM27C802CZ

DC Characteristics

Parameter

Input leakage current

Output leakage current

power supply current

V

CC

(Standby)

power supply current

V

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

Access cycle time
Address access time
CE access time
OE access time

Output disable time
Output hold time

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

CE

T

OE

T

CHZ

T

OHZ

T

OH

CE=V
OE=V

VI=0 to Vcc

=0 to Vcc

V

O

CE=V

CC

CE=V

V

PP=VCC

tc=80ns
tc=100ns

IL ,
IH

-

-

=-400µA

I

OH

=2.1mA

OL

-

CE=OE=V

OE=V
CE=V
OE=V
CE=V

IL

CE=OE=V

=5V±0.5V, Ta=0 to 70°C)

(V

CC

Min. Max.

IH

2.2

-0.5

2.4

(V

IL
IL
IL
IL

IL

Typ.

-

-

-

-

-

-

-

-

CC

-

-

-

-

-

-

-

-

-

-

-

10
10
50

1
80
65
10

VCC+0.5

0.8

-

0.45

=5V±0.5V, Ta=0 to 70°C)

Min. Max.

80

-

-

-

­80
80

50

400

0
0

35

-

UnitCondition

µA
µA
µA

mA
mA

µA

V
V
V
VI

UnitCondition

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
1TTL gate + 100pF

0.8V/2.0V

1.7V

400ohms

100pF (including jig capacitance)

5

TIMING CHART (READ CYCLE)

MSM27C802CZ

16-Bit Read Mode (BYTE=V

A0 - A18

CE

OE

D0 - D15

)

IH

t

C

t

t

ACC

t

CE

t

OE

t

OHZ

OH

t

CHZ

Valid Data

Hi-ZHi-Z

8-Bit Read Mode (BYTE=V

A-1 - A18

CE

OE

D0 - D7

D8 - D14

)

IL

t

C

t

t

ACC

t

CE

t

OE

t

OHZ

OH

t

CHZ

Valid Data

Hi-ZHi-Z

Hi-Z

6

ELECTRICAL CHARACTERISTICS (Programming operation)

DC Characteristics

MSM27C802CZ

Parameter
Input leakage current
VPP power supply current (Program)
VCC power supply current

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

power supply voltage

CC

Voltage is relative to Vss

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
VPP voltage set-up time
Program pulse width
Data valid from OE

Symbol

I

LI

I

PP2

I

CC

V

IH

V

IL

V

OH

V

OL

V

PP

V

CC

Symbol

T

AS

T

OES

T

DS

T

AH

T

DH

T

DFP

T

VS

T

PW

T

OE

Condition

I=VCC

CE=V

+0.5V

IL

V

-

-

=-400µA

OH

=2.1mA

I

OL

-

-

(Vcc=6.25V

Condition

-

-

-

-

-

-

-

-

Min. Max.

-

-

-

2.2

-0.5

2.4

-

6.0

±0.25V,V

=11.5V±0.25V,Ta=25°C±5°C)

pp

Min. Max.

2
2
2
0
2 µs
0
2

-

Typ.

-

-

--

-

-

-

-

11.5

6.25

Typ.

-

-

--

-

-

-

25

-

(Ta=25°C

10
50
70

V

+0.5

CC

0.8

-

0.45

11.7511.25

6.5

-

-

-

-

-

130

-

2723

150

±5°C)

Unit

µA
mA
mA

V
V

VI
V
V

V

Unit

µs
µs
µs
µs

ns-

µs
µs

ns

7

Programming Waveform

A0 - A18

t

CE

AS

MSM27C802CZ

t

t

DFP

AH

t

PW

t

OES

OE

D0 - D15

BYTE/V

PP

PIN Capacitance

Parameter
Input
BYTE/V
Output

PP

t

DS

D

IN

t

VS

Program

t

DH

t

OE

D

OUT

Program Verify

(VCC=5V, Ta=25°C, f=1MHz)

Symbol

C

IN1

C

IN2

C

OUT

Condition

=0V

V

I

V

=0V

O

Min. Max.

-

--

--

Typ.

-

12
60
15

Unit

pF

8

High Speed Programming Algorithm ( I )

Start

First Address

VCC=6.25V

V

=11.5V

PP

X=0

MSM27C802CZ

Increment Address

NG

NO

X=10 ?

NO

Program 25µs

X=X+1

Verify (One Byte)

PASS

Last Address ?

YES

VCC=5.5V
VPP=5.5V

Compare All

YES

NG

PASS

VCC=4.5V
V

=4.5V

PP

Compare All

PASS

Device Passed

NG

Device Failed

9

High Speed Programming Algorithm ( II )

First Address

VCC=6.25V
V

Program 25µs

Start

=11.5V

PP

MSM27C802CZ

Increment Address

Increment Address

NO

Last Address ?

First Address

Verify (One Byte)

NO

Last Address ?

Compare All

YES

X=0

PASS

YES

VCC=5.5V
V

=5.5V

PP

NG

NG

X=X+1

YES

X=10 ?

NO

Program 25µs

PASS

VCC=4.5V

V

=4.5V

PP

Compare All

PASS

Device Passed

NG

Device Failed

10

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-to-date.

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.

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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 or application that requires special or enhanced quality and
reliability characteristics nor in any system or application where the failure of such system or application may
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Copyright 1999 Oki Electric Industry Co., Ltd.

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Tel.: [phone],
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