Cypress CY62167E MoBL Computer Hardware User Manual


 
CY62167E MoBL
®
Document #: 001-15607 Rev. *A Page 7 of 12
Figure 3 shows WE
controlled write cycle waveforms.
[17, 21, 22]
Figure 3. Write Cycle No. 1
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZOE
VALID DATA
t
BW
NOTE 23
CE
1
ADDRESS
CE
2
WE
DATA IO
OE
BHE/BLE
Notes
21. Data IO is high impedance if OE
= V
IH
.
22. If CE
1
goes HIGH and CE
2
goes LOW simultaneously with WE = V
IH
, the output remains in a high impedance state.
23. During this period the IOs are in output state and input signals must not be applied.
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