Cypress Semiconductor MoBL CY62146ESL Технический паспорт - Страница 8
Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress Semiconductor MoBL CY62146ESL. Cypress Semiconductor MoBL CY62146ESL 13 страниц. 4-mbit (256k x 16) static ram
Печатать страницуSwitching Waveforms
ADDRESS
CE
WE
BHE/BLE
OE
NOTE 18
DATA IO
ADDRESS
CE
WE
BHE/BLE
OE
DATA IO
NOTE 18
Notes
16. Data IO is high impedance if OE = V
17. If CE goes HIGH simultaneously with WE = V
18. During this period, the IOs are in output state. Do not apply input signals.
Document #: 001-43142 Rev. **
(continued)
Figure 4. Write Cycle No 1: WE Controlled
t
AW
t
SA
t
HZOE
Figure 5. Write Cycle 2: CE Controlled
t
SA
t
AW
t
HZOE
.
IH
, the output remains in a high impedance state.
IH
[12, 16, 17]
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
[12, 16, 17]
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
CY62146ESL MoBL
t
HA
t
HD
t
HA
t
HD
Page 8 of 12
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