Cypress CY62167EV30 Computer Hardware User Manual


 
CY62167EV30 MoBL
®
Document #: 38-05446 Rev. *E Page 7 of 14
Figure 7 shows WE
controlled write cycle waveforms.
[18, 22, 23]
Figure 7. 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 24
CE
1
ADDRESS
CE
2
WE
DATA I/O
OE
BHE/BLE
Notes
22.Data IO is high impedance if OE
= V
IH
.
23.If CE
1
goes HIGH and CE
2
goes LOW simultaneously with WE = V
IH
, the output remains in a high impedance state.
24.During this period the I/Os are in output state. Do not apply input signals.
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