A42L8316V-35U datasheet(2/25 Pages) AMICC

Part #	A42L8316V-35U

Description	256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE

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Manufacturer	AMICC [AMIC Technology]

Direct Link	http://www.amictechnology.com

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A42L8316 Series

Preliminary

256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE

PRELIMINARY

(August, 2002, Version 0.1)

1

AMIC Technology, Inc.

Features

n Organization: 262,144 words X 16 bits

n Part Identification

- A42L8316 (512 Ref.)

n Single 3.3V power supply/built-in VBB generator

n Low power consumption

- Operating: 110mA (-30 max)

- Standby: 2.5mA (TTL), 1.5mA (CMOS)

1.0mA (Self-refresh current)

n High speed

- 30/35/40 ns RAS access time

- 16/17/18 ns column address access time

- 9/10/11 ns CAS access time

- 14/16/18 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 Separate CAS (UCAS ,LCAS ) for byte selection

n 512 Refresh Cycle in 8ms

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

Hidden refresh capability

n TTL-compatible, three-state I/O

n JEDEC standard packages

- 400mil, 40-pin SOJ

- 400mil, 40/44 TSOP type II package

General Description

The A42L8316 is a new generation randomly accessed

memory for graphics, organized in a 262,144-word by 16-

bit configuration. This product can execute Byte Write

and Byte Read operation via two CAS pins.

The A42L8316 offers an accelerated Fast Page Mode

Pin Configuration

n

nSOJ

n

n TSOP

VCC

I/O0

I/O1

NC

A1

A2

A3

VCC

A4

A5

A6

A7

A8

I/O13

I/O14

I/O15

VSS

21

WE

RAS

I/O12

OE

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

A0

NC

VCC

VSS

UCAS

LCAS

NC

I/O8

I/O9

I/O10

I/O11

VSS

20

19

18

12

16

17

13

14

15

11

10

9

8

7

6

5

4

3

2

1

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

VCC

I/O0

I/O1

NC

A1

A2

A3

A4

A5

A6

A7

A8

I/O13

I/O14

I/O15

VSS

23

WE

RAS

I/O12

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

A0

NC

VCC

VSS

UCAS

LCAS

NC

I/O8

I/O9

I/O10

I/O11

VSS

22

21

20

14

18

19

15

16

17

13

10

9

8

7

6

5

4

3

2

1

24

25

26

27

28

29

30

31

32

35

36

37

38

39

40

41

42

43

44

VCC

OE

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

This allow random access of up to 512 words within a row

at a 71/62/55 MHz EDO cycle, making the A42L8316

ideally suited for graphics, digital signal processing and

high performance computing systems.

Pin Descriptions

Symbol

Description

A0 – A8

Address Inputs

I/O0 - I/O15

Data Input/Output

RAS

Row Address Strobe

LCAS

Column Address Strobe for Lower Byte

(I/O0 – I/O7)

UCAS

Column Address Strobe for Upper Byte

(I/O8 – I/O15)

WE

Write Enable

OE

Output Enable

VCC

3.3V Power Supply

VSS

Ground

NC

No Connection

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