GS864218B-167IV GSI [GSI Technology], GS864218B-167IV Datasheet - Page 10

• Manufacturer Part Number: GS864218B-167IV
• Description: 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs
• Manufacturer: GSI [GSI Technology]

Byte Write Truth Table
Notes:
1.
2.
3.
4.
Rev: 1.03 6/2006
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Write all bytes
Write all bytes
All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.
Byte Write Enable inputs B
All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.
Bytes “
Write byte a
Write byte b
Write byte c
Write byte d
Function
Read
Read
C
” and “
D
” are only available on the x36 version.
GW
H
H
H
H
H
H
H
L
A
, B
B
, B
C
, and/or B
BW
H
L
L
L
L
L
L
X
D
may be used in any combination with BW to write single or multiple bytes.
B
X
H
H
H
H
X
L
L
A
10/35
B
X
H
H
H
H
X
L
L
B
B
X
H
H
H
H
X
L
L
C
B
X
H
H
H
H
X
L
L
GS864218/36/72(B/C)-xxxV
D
Notes
2, 3, 4
2, 3, 4
2, 3, 4
2, 3
2, 3
1
1
© 2004, GSI Technology
Preliminary