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LG Semicon Co.,Ltd.

Description

The GM76U8128CL/CLL is a 1,048,576 bits static

random access memory organized as 131,072 words

by 8 bits. Using a 0.6um advanced CMOS technology

and it provides high speed operation with minimum

cycle time of 85/100ns. The device is placed in a low

power standby mode with /CS1 high or CS2 low and

the output enable (/OE) allows fast memory access.

Thus it is suitable for high speed and low power

applications, especially where battery back-up is

required.

GM76U8128CL/CLL

131,072 WORDS x 8 BIT

CMOS STATIC RAM

Pin Configuration

NC

A16

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

I/O1

I/O2

V

SS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

V

CC

A15

CS2

/WE

A13

A8

A9

A11

/OE

A10

/CS1

I/O7

I/O6

I/O5

I/O4

I/O3

Features

* Fast Speed : 85/100ns

* Low Power Standby and Low Power Operation

Standby : 66uW Max. at T

A

= - 40 ~ 85C(LLE/LLI)

99uW Max. at T

A

= - 40 ~ 85C(LE/LI)

49.5uW Max. at T

A

= 0 ~ 70C(LL)

165uW Max. at T

A

= 0 ~ 70C(L)

Operation : 132mW (Max)

* Completely Static RAM : No Clock or Timing

Strobe Required

* Equal Access and Cycle Time

* TTL compatible inputs and outputs

* Capability of Battery Back-up Operation

* Single + 3.0V+/-0.3V Operation

* Standard 32DIP, SOP and TSOP-I,STSOP-I

A0

* Temperature Range

A1

Commercial(0

隆-

70C) : GM76U8128C

A2

Extended (-25 ~ 85C) : GM76U8128C-E

Industrial (-40 ~ 85C) : GM76U8128C-I

(Top View)

Block Diagram

........

Address

Buffer

10

1024 MEMORY CELL ARRAY

X

1024 x 128 x 8

Decoder

(128K x 8)

Pin Description

Pin

A0-A16

/WE

/CS1, CS2

/OE

I/O0-I/O7

V

CC

V

SS

NC

Function

Address Inputs

Write Enable Input

Chip Select Input

Output Enable Input

Data Inputs/Outputs

/OE

/CS1

CS2

A14

A15

A16

128 x 8

7

Y

Decorder

128

Column Select

/CS1, CS2

Chip

Control

8

/OE, /WE

Chip

Control

Power Supply (2.7V ~3.3V)

Ground

I/O Buffer

/WE

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

109

I/O7

No Connection

next

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