
Rev: 1.00 10/2001
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
14/46
2001, Giga Semiconductor, Inc.
Preliminary
GS832418(B/C)/GS832436(B/C)/GS832472(C)
Byte Write Truth Table
Notes:
1.
2.
3.
4.
All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.
Byte Write Enable inputs B
A
, B
B
, B
C
, and/or B
D
may be used in any combination with BW to write single or multiple bytes.
All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.
Bytes “
C
” and “
D
” are only available on the x36 version.
Function
GW
BW
B
A
B
B
B
C
B
D
Notes
Read
H
H
X
X
X
X
1
Read
H
L
H
H
H
H
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
L
L
L
L
L
2, 3, 4
Write all bytes
L
X
X
X
X
X