GS816218(B/D)/GS816236(B/D)/GS816272(C)

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

Rev: 2.17 11/2004

12/41

© 1999, GSI Technology

Notes:

1. All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.

3. All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.

Byte Write Truth Table

Function

GW

BW

Notes

Read

H

H

X

X

X

X

1

Read

H

L

HHHH

1

Write byte a

H

L

L

H

H

H

2, 3

Write byte b

H

L

H

L

H

H

2, 3

Write byte c

H

L

H

H

L

H

2, 3, 4

Write byte d

H

L

H

H

H

L

2, 3, 4

Write all bytes

H

LLLLL

2, 3, 4

Write all bytes

L

XXXX

X