WCMB2016R4X
Switching Waveforms
Write Cycle No. 1 (WE Controlled) [11, 15, 16]
t
WC
ADDRESS
CE
t
SCE
t
t
AW
HA
t
SA
t
PWE
WE
t
BW
BHE/BLE
OE
t
SD
t
HD
DATA VALID
DATA I/O
17
NOTE
IN
t
HZOE
Write Cycle No. 2 (CE Controlled) [11, 15, 16]
t
WC
ADDRESS
t
SCE
CE
tSA
t
t
HA
AW
t
PWE
WE
t
BW
BHE/BLE
OE
t
t
SD
HD
VALID
DATA
DATA I/O
NOTE 17
IN
t
HZOE
Note:
15. Data I/O is high impedance if OE = VIH
.
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
17. During this period, the I/Os are in output state and input signals should not be applied.
7
WEIDA [ WEIDA SEMICONDUCTOR, INC. ]
