ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors

which may appear in this publication. © Copyright 2000, Integrated Circuit Solution Inc.

.EATURES

• Clock frequency: 166, 143, 125, 100 MHz

• .ully synchronous; all signals referenced to a

positive clock edge

• Two banks can be operated simultaneously and

independently

• Dual internal bank controlled by A11 (bank select)

• Single 3.3V power supply

• LVTTL interface

• Programmable burst length

– (1, 2, 4, 8, full page)

• Programmable burst sequence:

Sequential/Interleave

• Auto refresh, self refresh

• 4096 refresh cycles every 128 ms

• Random column address every clock cycle

• Programmable +)5 latency (2, 3 clocks)

• Burst read/write and burst read/single write

operations capability

• Burst termination by burst stop and precharge

command

• Package 400mil 44-pin TSOP-2

DESCRIPTION

as a 1Meg x 8-bit x 2-bank for improved performance. The

synchronous DRAMs achieve high-speed data transfer

using pipeline architecture. All inputs and outputs signals

refer to the rising edge of the clock input.

1+" 5& 

1Meg x 8 Bits x 2 Banks (16-MBIT)

SYNCHRONOUS DYNAMIC RAM

PIN CON.IGURATIONS

44-Pin TSOP-2

PIN DESCRIPTIONS

A0-A11

Address Input

A0-A10

Row Address Input

A11

Bank Select Address

A0-A8

Column Address Input

I/O0 to I/O7

Data I/O

CLK

System Clock Input

CKE

Clock Enable

CS

Chip Select

RAS

Row Address Strobe Command

CAS

Column Address Strobe Command

WE

Write Enable

DQM

Input/Output Mask

Vcc

Power

GND

Ground

VccQ

Power Supply for I/O Pin

GNDQ

Ground for I/O Pin

NC

No Connection

Integrated Circuit Solution Inc.

1

DR018-0A 07/10/2001

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

VCC

I/O0

GNDQ

I/O1

VccQ

I/O2

GNDQ

I/O3

VccQ

NC

NC

WE

CAS

RAS

CS

A11

A10

A0

A1

A2

A3

VCC

GND

I/O7

GNDQ

I/O6

VCCQ

I/O5

GNDQ

I/O4

VCCQ

NC

NC

DQM

CLK

CKE

NC

A9

A8

A7

A6

A5

A4

GND