Rev: 1.05 7/2001

9/30

© 1999, Giga Semiconductor, Inc.

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

GS84118T/B-166/150/130/100

Truth Table For Read/Write/Compare/Fill Write Operation

Notes:

1. X means “don’t care,” H means “logic high,” L means “logic low.”

2. Write is the logic function of GW, BWE, BW1, BW2. See Byte Write Function table for detail.

3. CE is defined as CE1=L, CE2=H and CE3=L

4. All signals are synchronous and are sampled by CLK except OE and MOE. OE and MOE are asynchronous and drive the bus immediately.

Note: Permanent damage to the device may occur if the Absolute Maximun Ratings are exceeded. Functional operation should be restricted to

the recommended operation conditions. Exposure to higher than recommended voltages, for an extended period of time, could effect the

performance and reliability of this component.

CE

Write

DE

MOE

OE

Match

DQ

Read

L

H

X

X

L

—

Q

Write

L

L

L

X

H

—

D

Compare

L

H

L

L

H

Data Out

D

Fill Write

L

L

H

X

X

—

X

Match Deselect

H

X

X

L

X

High

High Z

Deselect

H

X

X

H

X

High Z

High Z

Symbol

Description

Commerical

Unit

Supply Voltage

–0.5 to 4.6

V

Output Supply Voltage

V

CLK Input Voltage

–0.5 to 6

V

Input Voltage

(

≤ 4.6 V max. )

V

Output Voltage

(

≤ 4.6 V max. )

V

Output Current per I/O

+/–20

mA

Power Dissipation

1.5

W

Operating Temperature

0 to 70

Storage Temperature

–55 to 125