VDS4616A4A-7 datasheet(1/8 Pages) A-DATA

Part #	VDS4616A4A-7

Description	Synchronous DRAM(512K X 16 Bit X 2 Banks)

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Manufacturer	A-DATA [A-Data Technology]

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V-Data

VDS4616A4A

Synchronous DRAM

512K x 16 Bit x 2 Banks

General Description

The VDS4616A4A are two-bank Synchronous

DRAMs organized as 524,288 words x 16 bits x 2

banks,

Synchronous design allows precise cycle control

with the use of system clock I/O transactions are

possible on every clock cycle.

Range of operating frequencies, programmable

burst length and programmable latencies allow the

same device to be useful for a variety of high

bandwidth high performance memory system

applications

Features

•

Single 3.3V +/- 0.3V power supply

•

MRS Cycle with address key programs

-CAS Latency (2 & 3)

-Burst Length (1,2,4,8, & full page)

-Burst Type (sequential & Interleave)

•

2 banks operation

•

All inputs are sampled at the positive edge of

the system clock

•

Burst Read single write operation

•

Auto & Self refresh

•

4096 refresh cycle

•

DQM for masking

•

Package:50-pins 400 mil TSOP-Type II

Ordering Information.

Part No.

Frequency

Interface

Package

VDS4616A4A-5

200Mhz

LVTTL

400mil 50pin TSOPII

VDS4616A4A -6

166Mhz

LVTTL

400mil 50pin TSOPII

VDS4616A4A -7

143Mhz

LVTTL

400mil 50pin TSOPII

Pin Assignment

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

50

49

48

47

46

45

44

43

36

37

35

34

33

41

42

40

39

38

32

31

30

29

Vss

DQ15

VssQ

DQ14

DQ13

VDDQ

DQ12

DQ11

VSSQ

DQ10

DQ9

VDDQ

DQ8

NC

UDQM

CLK

CKE

NC

A9

A8

A7

A6

A5

A4

VSS

VDD

DQ0

VDDQ

DQ1

DQ2

VSSQ

DQ3

DQ4

VDDQ

DQ5

DQ6

VSSQ

DQ7

LDQM

/WE

/CAS

/RAS

/CS

A10

A0

A1

A2

A3

(BS)A11

DD

V

50-pin plastic TSOP II 400 mil

Rev 1 December, 2001

1

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VDS4616A4A-7 Datasheet(PDF) 1 Page - A-Data Technology

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