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IS42S32200A

512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

Integrated Silicon Solution 

IS42S32200A

512K Bits x 32 Bits x 4 Banks (64-MBIT)

SYNCHRONOUS DYNAMIC RAM

ISSI®

ADVANCE INFORMATION

SEPTEMBER 2001

FEATURES

• Clock frequency: 200, 166, 143 MHz

• Fully synchronous; all signals referenced to a

positive clock edge

• Internal bank for hiding row access/precharge

• Single 3.3V power supply

• LVTTL interface

• Programmable burst length

– (1, 2, 4, 8, full page)

• Programmable burst sequence:

Sequential/Interleave

• Self refresh modes

• 4096 refresh cycles every 64 ms

• Random column address every clock cycle

• Programmable CAS latency (2, 3 clocks)

• Burst read/write and burst read/single write

operations capability

• Burst termination by burst stop and precharge

command

• Industrial temperature availability

• Package 400-mil 86-pin TSOP II

PIN DESCRIPTIONS

A0-A10

Address Input

BA0, BA1

Bank Select Address

I/O0 to I/O31 Data I/O

CLK

System Clock Input

CKE

CS

RAS

Clock Enable

Chip Select

Row Address Strobe Command

CAS

WE

Column Address Strobe Command

Write Enable

DQM0 to DQM3 Input/Output Mask

OVERVIEW

ISSI's 64Mb Synchronous DRAM IS42S32200A is

organized as 524,288 bits x 32-bit x 4-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.

PIN CONFIGURATION

(86-Pin TSOP (Type II)

VCC 1

I/O0 2

VCCQ 3

I/O1 4

I/O2 5

GNDQ 6

I/O3 7

I/O4 8

VCCQ 9

I/O5 10

I/O6 11

GNDQ 12

I/O7 13

NC 14

VCC 15

DQM0 16

WE 17

CAS 18

RAS 19

CS 20

NC 21

BA0 22

BA1 23

A10/AP 24

A0 25

A1 26

A2 27

DQM2 28

VCC 29

NC 30

I/O16 31

GNDQ 32

I/O17 33

I/O18 34

VCCQ 35

I/O19 36

I/O20 37

GNDQ 38

I/O21 39

I/O22 40

VCCQ 41

I/O23 42

VCC 43

86

GND

85

I/O15

84

GNDQ

83

I/O14

82

I/O13

81

VCCQ

80

I/O12

79

I/O11

78

GNDQ

77

I/O10

76

I/O9

75

VCCQ

74

I/O8

73

NC

72

GND

71

DQM1

70

NC

69

NC

68

CLK

67

CKE

66

A9

65

A8

64

A7

63

A6

62

A5

61

A4

60

A3

59

DQM3

58

GND

57

NC

56

I/O31

55

VCCQ

54

I/O30

53

I/O29

52

GNDQ

51

I/O28

50

I/O27

49

VCCQ

48

I/O26

47

I/O25

46

GNDQ

45

I/O24

44

GND

Vcc

GND

VccQ

GNDQ

NC

Power

Ground

Power Supply for I/O Pin

Ground for I/O Pin

No Connection

This document contains ADVANCE INFORMATION data. ISSI 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 2001, Integrated Silicon Solution, Inc.

Integrated Silicon Solution, Inc. — 1-800-379-4774

1

ADVANCE INFORMATION Rev. 00B

09/21/01

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