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CYM1851PZ-25C 데이터 시트보기 (PDF) - Cypress Semiconductor
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CYM1851PZ-25C
1024K x 32 Static RAM Module
Cypress Semiconductor
CYM1851PZ-25C Datasheet PDF : 9 Pages
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Switching Waveforms
(continued)
[6,10]
Write Cycle No. 2 (CS Controlled)
ADDRESS
t
SA
CS
WE
t
WC
t
AW
DATA IN
DATA OUT
DATA UNDEFINED
t
SCS
t
HA
t
PWE
t
SD
t
HD
DATA VALID
t
HZWE
HIGH IMPEDANCE
CYM1851
Note:
10. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Truth Table
CS WE OE Inputs/Output
Mode
H X X High Z
Deselect/Power-Down
L H L Data Out
Read
L L X Data In
Write
L H H High Z
Deselect
Document #: 38-05274 Rev. **
Page 6 of 9
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