參數(shù)資料
型號(hào): GS816272C
廠商: GSI TECHNOLOGY
英文描述: 256K x 72 18Mb Sync Burst SRAMs
中文描述: 256 × 72 35.7同步突發(fā)靜態(tài)存儲(chǔ)器
文件頁數(shù): 5/31頁
文件大?。?/td> 791K
代理商: GS816272C
GS816272C
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 2.18 11/2005
5/31
1999, GSI Technology
Byte Write Truth Table
Function
GW
BW
BA
BB
BC
BD
BE
BF
BG
BH
Notes
Read
H
H
X
X
X
X
X
X
X
X
1
Read
H
L
H
H
H
H
H
H
H
H
1
Write byte A
H
L
L
H
H
H
L
H
H
H
2, 3
Write byte B
H
L
H
L
H
H
H
L
H
H
2, 3
Write byte C
H
L
H
H
L
H
H
H
L
H
2, 3, 4
Write byte D
H
L
H
H
H
L
H
H
H
L
2, 3, 4
Write byte E
H
L
H
H
H
H
L
H
H
H
2, 3, 4
Write byte F
H
L
H
H
H
H
H
L
H
H
2, 3, 4
Write byte G
H
L
H
H
H
H
H
H
L
H
2, 3, 4
Write byte H
H
L
H
H
H
H
H
H
H
L
2, 3, 4
Write all bytes
H
L
L
L
L
L
L
L
L
L
2, 3, 4
Write all bytes
Notes:
1.
All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.
2.
Byte Write Enable inputs B
A
, B
B
, B
C
, B
D
, B
E
, B
F
, B
G
, and/or B
H
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 “E”, “F”, “G” and “H” are only available on the x72 version.
L
X
X
X
X
X
X
X
X
X
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