參數(shù)資料
型號(hào): CYM1831PZ-25C
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 64K x 32 Static RAM Module
中文描述: 64K X 32 MULTI DEVICE SRAM MODULE, 25 ns, PZMA64
封裝: PLASTIC, ZIP-64
文件頁數(shù): 5/8頁
文件大小: 246K
代理商: CYM1831PZ-25C
CYM1831
Document #: 38-05270 Rev. **
Page 5 of 8
Note:
10. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Truth Table
CS
N
H
L
L
L
WE
X
H
L
H
OE
X
L
X
H
Inputs/Outputs
High Z
Data Out
Data In
High Z
Mode
Deselect/Power-Down
Read
Write
Deselect
Switching Waveforms
(continued)
t
WC
DATA VALID
DATA UNDEFINED
HIGH IMPEDANCE
t
SCS
t
AW
t
SA
t
PWE
t
HA
t
HD
t
HZWE
t
LZWE
t
SD
CS
WE
ADDRESS
DATA IN
DATA OUT
Write Cycle No. 1 (WE Controlled)
[6]
t
WC
DATA VALID
DATA UNDEFINED
HIGH IMPEDANCE
t
SCS
t
AW
t
PWE
t
HA
t
HD
t
HZWE
t
SD
CS
WE
ADDRESS
DATA IN
DATA OUT
t
SA
Write Cycle No. 2 (CS Controlled)
[6, 10]
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