cym1836v33 Cypress Semiconductor Corporation., cym1836v33 Datasheet - Page 5

• Manufacturer Part Number: cym1836v33
• Description: 128k 3.3v Static Module
• Manufacturer: Cypress Semiconductor Corporation.

Switching Waveforms
Truth Table
Write Cycle No.1 (WE Controlled)
Write Cycle No. 2 (CS Controlled)
CS
Note:
11. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
DATA OUT
DATA OUT
ADDRESS
ADDRESS
H
L
L
L
DATA IN
DATA IN
N
WE
WE
WE
CS
CS
H
H
X
L
OE
X
X
H
L
High Z
Data Out
Data In
High Z
Input/Outputs
(continued)
DATA UNDEFINED
DATA UNDEFINED
t
[7]
[7, 11]
SA
Deselect/Power-Down
Read
Write
Deselect
PRELIMINARY
t
SA
Mode
t
SCS
t
t
AW
AW
t
t
WC
WC
5
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
CYM1836V33
1836V33–9
1836V33–8