參數(shù)資料
型號(hào): GS880F32AGT-5.5IT
廠(chǎng)商: GSI TECHNOLOGY
元件分類(lèi): SRAM
英文描述: 256K X 32 CACHE SRAM, 5.5 ns, PQFP100
封裝: TQFP-100
文件頁(yè)數(shù): 22/23頁(yè)
文件大小: 573K
代理商: GS880F32AGT-5.5IT
GS880F18/32/36AT-5.5/6/6.5/7/7.5/8.5
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.03 11/2004
8/23
2001, GSI Technology
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 x32 and x36 versions.
Byte Write Truth Table
Function
GW
BW
BA
BB
BC
BD
Notes
Read
H
X
1
Read
H
L
HHHH
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
LLLLL
2, 3, 4
Write all bytes
L
XXXX
X
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