KM681001A-15 datasheet(2/9 Pages) SAMSUNG

部品番号	KM681001A-15

部品情報	128K x 8 Bit High-Speed CMOS Static RAM

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KM681001A

CMOS SRAM

PRELIMINARY

Rev 5.0

- 2 -

February 1998

128K x 8 Bit High-Speed CMOS Static RAM

GENERAL DESCRIPTION

FEATURES

• Fast Access Time 15, 20ns(Max.)

• Low Power Dissipation

Standby (TTL)

: 25mA(Max.)

(CMOS) : 8mA(Max.)

Operating KM681001A - 15 : 125mA(Max.)

KM681001A - 20 : 120mA(Max.)

• Single 5.0V

±10% Power Supply

• TTL Compatible Inputs and Outputs

• I/O Compatible with 3.3V Device

• Fully Static Operation

-No Clock or Refresh required

• Three State Outputs

• Standard Pin Configuration

KM681001AJ : 32-SOJ-400

Clk Gen.

I/O1~I/O8

CS1

WE

OE

FUNCTIONAL BLOCK DIAGRAM

Data

Cont.

Column Select

CLK

Gen.

Pre-Charge Circuit

Memory Array

512 Rows

256x8 Columns

I/O Circuit

PIN FUNCTION

Pin Name

Pin Function

A0 - A16

Address Inputs

WE

Write Enable

CS1, CS2

Chip Selects

OE

Output Enable

I/O1 ~ I/O8

Data Inputs/Outputs

VCC

Power(+5.0V)

VSS

Ground

N.C

No Connection

The KM681001A is a 1,048,576-bit high-speed Static Random

Access Memory organized as 131,072 words by 8 bits. The

KM681001A uses 8 common input and output lines and has an

output enable pin which operates faster than address access

time at read cycle. The device is fabricated using Samsung

′s

advanced CMOS process and designed for high-speed circuit

technology. It is particularly well suited for use in high-density

high-speed system applications. The KM681001A is packaged

in a 400mil 32-pin plastic SOJ.

PIN CONFIGURATION(Top View)

SOJ

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

Vcc

A16

CS2

WE

A15

A14

A13

A12

OE

A11

CS1

I/O8

I/O7

I/O6

I/O5

I/O4

N.C

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

I/O1

I/O2

I/O3

Vss

CS2

A8 A9 A10 A11 A13 A14 A15 A16

A0

A1

A2

A3

A4

A5

A6

A7

A12

同様の部品番号 - KM681001A-15

メーカー	部品番号	データシート	部品情報
Samsung semiconductor	KM681001B	181Kb / 9P	128K x 8 Bit High-Speed CMOS Static RAM
	KM681001B-15	181Kb / 9P	128K x 8 Bit High-Speed CMOS Static RAM
	KM681001B-20	181Kb / 9P	128K x 8 Bit High-Speed CMOS Static RAM

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