GS8640V18/32/36T-300/250/200/167

Byte Write Truth Table

Function

ReadReadWrite byte aWrite byte bWrite byte cWrite byte dWriteallbytes

GW

HHHHHHH

BW

HLLLLLL

BA

XHLHHHL

BB

XHHLHHL

BC

XHHHLHL

BD

XHHHHLL

Notes

112, 32, 32, 3, 42, 3, 42,3,4

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

2.Byte Write Enable inputs BA, BB, BC and/or BD may be used in any combination with BW to write single or multiple bytes.3.All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.4.Bytes “C” and “D” are only available on the x32 and x36 versions.