CYM1851 CYPRESS [Cypress Semiconductor], CYM1851 Datasheet - Page 6

• Manufacturer Part Number: CYM1851
• Description: 1,024K x 32 Static RAM Module
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Truth Table
Document #: 38-05274 Rev. **
Note:
Write Cycle No. 2 (CS Controlled)
10. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
CS
H
L
L
L
DATA OUT
ADDRESS
DATA IN
WE OE
X
H
H
L
WE
CS
X
X
H
L
High Z
Data Out
Data In
High Z
Inputs/Output
(continued)
DATA UNDEFINED
[6,10]
Deselect/Power-Down
Read
Write
Deselect
t
SA
Mode
t
AW
t
WC
t
HZWE
DATA VALID
t
PWE
t
t
SCS
SD
HIGH IMPEDANCE
t
HD
t
HA
CYM1851
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