CYM1831PM-15C Cypress Semiconductor, CYM1831PM-15C Datasheet - Page 5

• Manufacturer Part Number: CYM1831PM-15C
• Description: 64K x 32 Static RAM Module
• Manufacturer: Cypress Semiconductor

Switching Waveforms
Truth Table
Document #: 38-05270 Rev. **
CS
Note:
Write Cycle No. 1 (WE Controlled)
DATA OUT
Write Cycle No. 2 (CS Controlled)
DATA OUT
10. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
H
ADDRESS
ADDRESS
L
L
L
DATA IN
DATA IN
N
WE OE Inputs/Outputs
H
H
X
WE
WE
L
CS
CS
H
X
X
L
High Z
Data Out
Data In
High Z
(continued)
t
DATA UNDEFINED
DATA UNDEFINED
SA
[6, 10]
Deselect/Power-Down
Read
Write
Deselect
[6]
t
SA
Mode
t
SCS
t
t
AW
AW
t
t
WC
WC
t
HZWE
t
HZWE
DATA VALID
DATA VALID
t
t
PWE
PWE
t
t
t
SCS
SD
SD
HIGH IMPEDANCE
HIGH IMPEDANCE
t
t
HD
HD
t
LZWE
t
t
HA
HA
CYM1831
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