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LG Semicon Co.,Ltd.

Description

The GM71C(S)4400C/CL is the new generation

dynamic RAM organized 1,048,576 words x 4 bit.

GM71C(S)4400C/CL has realized higher density,

higher performance and various functions by

utilizing advanced CMOS process technology. The

GM71C(S)4400C/CL offers Fast Page Mode as a

high speed access Mode. Multiplexed address

inputs permit the GM71C(S)4400C/CL to be

packaged in a standard 300mil 20(26) pin plastic

SOJ and standard 300mil 20(26) pin plastic

TSOP II. 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.

GM71C(S)4400C/CL

1,048,576 WORDS x 4BIT

CMOS DYNAMIC RAM

Features

* 1,048,576 Words x 4 Bit Organization

* Fast Page Mode Capability

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

* Fast Access Time & Cycle Time

(Unit: ns)

t

RAC

GM71C(S)4400C/CL-60

GM71C(S)4400C/CL-70

GM71C(S)4400C/CL-80

60

70

80

t

CAC

15

20

20

t

RC

110

130

150

t

PC

40

45

50

Pin Configuration

20 (26) SOJ

I/O1

I/O2

WE

RAS

A9

V

SS

I/O4

I/O3

CAS

OE

I/O1

I/O2

WE

RAS

A9

1

2

3

4

5

* Low Power

Active : 605/550/495mW (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

* 1024 Refresh Cycles/16ms

* 1024 Refresh Cycles/128ms (L-version)

* Battery Back Up Operation (L-version)

20 (26) TSOP II

20

19

18

17

16

V

SS

I/O4

I/O3

CAS

OE

V

SS

I/O4

I/O3

CAS

OE

20

19

18

17

16

1

2

3

4

5

I/O1

I/O2

WE

RAS

A9

A0

A1

A2

A3

V

CC

6

7

8

9

10

15

14

13

12

11

A8

A7

A6

A5

A4

A0

A1

A2

A3

V

CC

6

7

8

9

10

15

14

13

12

11

A8

A7

A6

A5

A4

A8

A7

A6

A5

A4

15

14

13

12

11

6

7

8

9

10

A0

A1

A2

A3

V

CC

NORMAL TYPE

REVERSE TYPE

(Top View)

(Top View)

1

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