Cypress Semiconductor MoBL CY62157EV30 Hoja de especificaciones - Página 8

Navegue en línea o descargue pdf Hoja de especificaciones para Hardware informático Cypress Semiconductor MoBL CY62157EV30. Cypress Semiconductor MoBL CY62157EV30 15 páginas. 8-mbit (512k x 16) static ram

Cypress Semiconductor MoBL CY62157EV30 Hoja de especificaciones
Switching Waveforms
Write Cycle No. 1 (WE Controlled)
ADDRESS
CE
1
CE
2
WE
BHE/BLE
OE
NOTE 24
DATA IO
Write Cycle No. 2 (CE
or CE
1
ADDRESS
CE
1
CE
2
WE
BHE/BLE
OE
DATA IO
NOTE 24
Notes
22. Data IO is high impedance if OE = V
23. If CE
goes HIGH and CE
goes LOW simultaneously with WE = V
1
2
24. During this period, the IOs are in output state. Do not apply input signals.
Document #: 38-05445 Rev. *E
(continued)
[18, 22, 23]
Figure 5. Write Cycle No. 1
t
SCE
t
AW
t
SA
t
HZOE
[18, 22, 23]
Controlled)
2
Figure 6. Write Cycle No. 1
t
SA
t
AW
t
HZOE
.
IH
, the output remains in a high impedance state.
IH
CY62157EV30 MoBL
t
WC
t
PWE
t
BW
t
SD
VALID DATA
t
WC
t
SCE
t
PWE
t
BW
t
SD
VALID DATA
t
HA
t
HD
t
HA
t
HD
Page 8 of 14
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