WCFS1008V1C
Switching Waveforms (continued)
Write Cycle No. 1 (CE Controlled)[12, 13]
t
WC
ADDRESS
CE
t
SCE
t
SA
t
SCE
t
t
HA
AW
t
PWE
WE
t
t
HD
SD
DATA I/O
DATA VALID
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)[12, 13]
t
WC
ADDRESS
CE
t
SCE
t
t
HA
AW
t
SA
t
PWE
WE
OE
t
t
SD
HD
DATA VALID
DATA I/O
IN
NOTE 14
t
HZOE
Notes:
12. Data I/O is high impedance if OE = VIH
.
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
14. During this period the I/Os are in the output state and input signals should not be applied.
5
WEIDA [ WEIDA SEMICONDUCTOR, INC. ]
