Cypress Semiconductor MoBL CY62157E Технический паспорт - Страница 7

Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress Semiconductor MoBL CY62157E. Cypress Semiconductor MoBL CY62157E 12 страниц. 8-mbit (512k x 16) static ram

Switching Waveforms
Write Cycle 1 (WE Controlled)
ADDRESS
CE
1
CE
2
WE
BHE/BLE
OE
DATA IO
See Note 21
Write Cycle 2 (CE
or CE
Controlled)
1
2
ADDRESS
CE
1
CE
2
WE
BHE/BLE
OE
DATA IO
See Note 21
Notes:
19. Data IO is high impedance if OE = V
20. If CE
goes HIGH and CE
goes LOW simultaneously with WE = V
1
2
21. During this period, the IOs are in output state and input signals should not be applied.
Document #: 38-05695 Rev. *C
(continued)
[15, 19, 20, 21]
t
SCE
t
AW
t
SA
t
HZOE
[15, 19, 20, 21]
t
SA
t
AW
t
HZOE
.
IH
, the output remains in a high-impedance state.
IH
t
WC
t
PWE
t
BW
t
SD
VALID DATA
t
WC
t
SCE
t
PWE
t
BW
t
SD
VALID DATA
®
CY62157E MoBL
t
HA
t
HD
t
HA
t
HD
Page 7 of 12
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