Cypress CY62126EV30 Computer Hardware User Manual


 
MoBL
®
, CY62126EV30
Document #: 38-05486 Rev. *E Page 7 of 13
Figure 7. Write Cycle No. 1 (WE
controlled)
[14, 18, 19]
Figure 8. Write Cycle No. 2 (CE controlled)
[14, 18, 19]
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
WC
t
HZOE
DATA
IN
NOTE 20
t
BW
t
SCE
DATA IO
ADDRESS
CE
WE
OE
BHE/BLE
t
HD
t
SD
t
PWE
t
HA
t
AW
t
SCE
t
WC
t
HZOE
DATA
IN
t
BW
t
SA
CE
ADDRESS
WE
DATA IO
OE
BHE/BLE
NOTE 20
Notes
18.Data IO is high impedance if OE
= V
IH
.
19.If CE
goes HIGH simultaneously with WE = V
IH
, the output remains in a high impedance state.
20.During this period, the IOs are in output state. Do not apply input signals.
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