
CYM1836
Switching Waveforms (continued)
Write Cycle No. 2 (CS Controlled)[7, 11]
ADDRESS
tSA
CS
WE
tWC
tAW
DATA IN
DATA OUT
DATA UNDEFINED
tSCS
tHA
tPWE
tSD
tHD
DATA VALID
tHZWE
HIGH IMPEDANCE
Note:
11. If CS goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Truth Table
CSN
WE
H
X
L
H
L
L
L
H
OE
Input/Outputs
X
High Z
L
Data Out
X
Data In
H
High Z
Mode
Deselect/Power-Down
Read
Write
Deselect
1836–8
6