Rev: 1.10 8/2000

4/34

© 1998, Giga Semiconductor, Inc.

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com

GS881Z18/36T-11/100/80/66

100-Pin TQFP Pin Descriptions

Pin Location

Symbol Type

Description

37, 36

In

Burst Address Inputs—Preload the burst counter

35, 34, 33, 32, 100, 99, 83, 82,

81, 50, 49, 48, 47, 46, 45, 44

In

Address Inputs

80

In

Address Input (x18 Version Only)

89

CK

In

Clock Input Signal

93

In

94

In

95

In

96

In

88

W

In

Write Enable; active low

98

In

Chip Enable; active low

97

In

Chip Enable; active high; for self decoded depth expansion

92

In

Chip Enable; active low; for self decoded depth expansion

86

G

In

Output Enable; active low

85

ADV

In

Advance/Load—Burst address counter control pin

87

CKE

In

Clock Input Buffer Enable; active low

I/O

Byte A Data Input and Output pins (x18 Version Only)

8, 9, 12, 13, 18, 19, 22, 23, 24

I/O

Byte B Data Input and Output pins (x18 Version Only)

51, 52, 53, 56, 57, 75, 78, 79,

1, 2, 3, 6, 7, 25, 28, 29, 30

NC

—

No Connect (x18 Version Only)

I/O

Byte A Data Input and Output pins (x36 Versions Only)

I/O

Byte B Data Input and Output pins (x36 Versions Only)

1, 2, 3, 6, 7, 8, 9, 12, 13

I/O

Byte C Data Input and Output pins (x36 Versions Only)

I/O

Byte D Data Input and Output pins (x36 Versions Only)

64

ZZ

In

Power down control; active high

14

FT

In

Pipeline/Flow Through Mode Control; active low

31

LBO

In

Linear Burst Order; active low