Cypress CY62136VN Computer Hardware User Manual


 
CY62136VN MoBL
®
Document #: 001-06510 Rev. *A Page 7 of 12
Write Cycle No. 1 (WE Controlled)
[12, 17, 18]
Write Cycle No. 2 (CE Controlled)
[12, 17, 18]
Notes:
17.Data I/O is high impedance if OE
= V
IH
.
18.If CE
goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
19.During this period, the I/Os are in output state and input signals should not be applied.
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
WC
DATA I/O
ADDRESS
CE
WE
OE
t
HZOE
DATA
IN
VALID
NOTE
19
BHE/BLE
t
BW
t
WC
t
AW
t
SA
t
HA
t
HD
t
SD
t
SCE
DATA
IN
VALID
t
BW
t
PWE
ADDRESS
CE
BHE/BLE
WE
DATA I/O
[+] Feedback