Cypress Semiconductor CY62147EV30 MoBL Manuel - Sayfa 8
Bilgisayar Donanımı Cypress Semiconductor CY62147EV30 MoBL için çevrimiçi göz atın veya pdf Manuel indirin. Cypress Semiconductor CY62147EV30 MoBL 14 sayfaları. 4-mbit (256k x 16) static ram
Sayfayı Yazdır
Switching Waveforms
ADDRESS
CE
BHE/BLE
WE
DATA IO
NOTE 22
ADDRESS
CE
BHE/BLE
WE
NOTE 22
DATA IO
Notes
20. Data I/O is high impedance if OE = V
21. If CE goes HIGH simultaneously with WE = V
22. During this period, the IOs are in output state. Do not apply input signals.
Document #: 38-05440 Rev. *G
(continued)
Figure 10. Write Cycle No. 3 (WE Controlled, OE LOW)
t
SCE
t
BW
t
AW
t
SA
t
HZWE
Figure 11. Write Cycle No. 4 (BHE/BLE Controlled, OE LOW)
t
SCE
t
AW
t
SA
t
HZWE
.
IH
, the output remains in a high impedance state.
IH
t
WC
t
PWE
t
SD
DATA
IN
t
WC
t
BW
t
PWE
t
SD
DATA
IN
CY62147EV30 MoBL
[1, 21]
t
HA
t
HD
t
LZWE
[1, 21]
t
HA
t
HD
t
LZWE
Page 8 of 13
®
[+] Feedback