參數資料
型號: GS832472GC-250T
廠商: GSI TECHNOLOGY
元件分類: SRAM
英文描述: 512K X 72 CACHE SRAM, 6 ns, PBGA209
封裝: 14 X 22 MM, 1 MM PITCH, BGA-209
文件頁數: 6/46頁
文件大?。?/td> 1126K
代理商: GS832472GC-250T
Rev: 1.00 10/2001
14/46
2001, Giga Semiconductor, Inc.
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Preliminary
GS832418(B/C)/GS832436(B/C)/GS832472(C)
Byte Write Truth Table
Notes:
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 x36 version.
Function
GW
BW
BA
BB
BC
BD
Notes
Read
H
X
1
Read
H
L
H
1
Write byte a
H
L
H
2, 3
Write byte b
H
L
H
L
H
2, 3
Write byte c
H
L
H
L
H
2, 3, 4
Write byte d
H
L
H
L
2, 3, 4
Write all bytes
H
L
2, 3, 4
Write all bytes
L
X
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