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LG Semicon Co.,Ltd.

Description

The GM71C(S)4263C/CL is the new

generation dynamic RAM organized 262,144 x

16 bit. GM71C(S)4263C/CL has realized higher

density, higher performance and various

functions by utilizing advanced CMOS process

technology. The GM71C(S)4263C/CL offers

Extended Data Out(EDO) Mode as a high speed

access mode. Multiplexed address inputs permit

the GM71C(S)4263C/CL to be packaged in

standard 400 mil 40 pin plastic SOJ.

The

package size provides high system bit densities

and is compatible with widely available

automated testing and insertion equipment.

System oriented features include single power

supply of 5V+/-10% tolerance, direct interfacing

capability with high performance logic families

such as Schottky TTL.

GM71C4263C

GM71CS4263CL

262,144 WORDS x 16 BIT

CMOS DYNAMIC RAM

Features

* 262,144 Words x 16 Bit Organization

* Extended Data Out (EDO) Mode Capability

* Single Power Supply (5V+/-10%)

* Fast Access Time & Cycle Time

(Unit: ns)

t

RAC

t

CAC

t

RC

t

HPC

GM71C(S)4263C/CL-60

GM71C(S)4263C/CL-70

GM71C(S)4263C/CL-80

60

70

80

17

20

20

104

124

144

25

30

35

* Low Power

Active : 715/660/605 mW(MAX)

Standby : 5.5mW (CMOS level : MAX)

1.1mW (L-version)

* RAS Only Refresh, CAS before RAS Refresh,

Hidden Refresh Capability

* All inputs and outputs TTL Compatible

* 512 Refresh Cycles/8

摟脗

* 512 Refresh Cycles/128

摟脗

(L-version)

* Battery Back Up Operation (L-version)

* 2 CAS byte Control

* Self-Refresh Operation (L-version)

Pin Configuration

V

CC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40 SOJ

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

V

SS

I/O0

I/O1

I/O2

I/O3

V

CC

I/O15

I/O14

I/O13

I/O12

V

SS

I/O4

I/O5

I/O6

I/O7

NC

NC

WE

RAS

NC

A0

A1

A2

A3

V

CC

I/O11

I/O10

I/O9

I/O8

NC

LCAS

UCAS

OE

A8

A7

A6

A5

A4

V

SS

(Top View)

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