A42U2604S-60 datasheet(2/25 Pages) AMICC

Part #	A42U2604S-60

Description	4M X 4 CMOS DYNAMIC RAM WITH EDO PAGE MODE

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Manufacturer	AMICC [AMIC Technology]

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A42U2604 Series

Preliminary

4M X 4 CMOS DYNAMIC RAM WITH EDO PAGE MODE

PRELIMINARY

(June, 2002, Version 0.3)

1

AMIC Technology, Inc.

Features

n Organization: 4,194,304 words X 4 bits

n Part Identification

- A42U2604 (2K Ref.)

n Single 2.5V power supply/built-in VBB generator

n Low power consumption

- Operating: 70mA (-50 max)

- Standby: 0.5mA (TTL), 0.2mA (CMOS),

300µA (Self-refresh current)

n High speed

- 50/60/80 ns RAS access time

- 22/27/37 ns column address access time

- 13/15/20 ns CAS access time

- 20/24/32 ns EDO Page Mode Cycle Time

n Industrial operating temperature range: -40

°C to +85°C

for -U

n Fast Page Mode with Extended Data Out

n 2K Refresh Cycle in 32ms

n Read-modify-write, RAS -only, CAS -before- RAS ,

Hidden refresh capability

n TTL-compatible, three-state I/O

n JEDEC standard packages

- 300mil, 24/26-pin SOJ

- 300mil, 24/26-pin TSOP type II package

General Description

The A42U2604 is a new generation randomly accessed

memory for graphics, organized in a 4,194,304-word by

4-bit configuration. This product can execute Write and

Read operation via CAS pin.

The A42U2604 offers an accelerated Fast Page Mode

cycle with a feature called Extended Data Out (EDO).

Pin Configuration

n

n SOJ

n

n TSOP

VCC

I/O0

I/O1

A3

CAS

I/O2

I/O3

VSS

OE

WE

RAS

A10

A0

A1

A2

VCC

NC

VSS

A4

A5

A6

A7

A8

A9

13

12

11

10

9

8

6

5

4

3

2

1

14

15

16

17

18

19

21

22

23

24

25

26

VCC

I/O0

I/O1

A3

CAS

I/O2

I/O3

VSS

OE

WE

RAS

A10

A0

A1

A2

VCC

NC

VSS

A4

A5

A6

A7

A8

A9

13

12

11

10

9

8

6

5

4

3

2

1

14

15

16

17

18

19

21

22

23

24

25

26

This allow random access of up to 2048(2K Ref.) words

within a row at a 50/42/31 MHz EDO cycle, making the

A42U2604 ideally suited for graphics, digital signal

processing and high performance computing systems.

Pin Descriptions

Symbol

Description

A0 - A10

Address Inputs (2K product)

I/O0 - I/O3

Data Input/Output

RAS

Row Address Strobe

CAS

Column Address Strobe

WE

Write Enable

OE

Output Enable

VCC

2.5V Power Supply

VSS

Ground

NC

No Connection

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