Cypress Semiconductor CY62158E Технический паспорт - Страница 7
Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress Semiconductor CY62158E. Cypress Semiconductor CY62158E 11 страниц. Mobl 8-mbit (1m x 8) static ram
Печатать страницуSwitching Waveforms
Figure 6
shows WE controlled write cycle waveforms.
ADDRESS
CE
1
CE
2
WE
OE
DATA IO
NOTE 18
Figure 7
shows CE
or CE
controlled write cycle waveforms.
1
2
ADDRESS
CE
1
CE
2
WE
OE
DATA IO
Notes
16. Data IO is high impedance if OE = V
17. If CE
goes HIGH or CE
goes LOW simultaneously with WE HIGH, the output remains in high impedance state.
1
2
18. During this period, the IOs are in output state. Do not apply input signals.
Document #: 38-05684 Rev. *D
(continued)
[12, 16, 17]
Figure 6. Write Cycle No. 1
t
SCE
t
AW
t
SA
t
HZOE
Figure 7. Write Cycle No. 2
t
SA
t
AW
.
IH
t
WC
t
PWE
t
SD
VALID DATA
[12, 16, 17]
t
WC
t
SCE
t
PWE
t
SD
VALID DATA
CY62158E MoBL
t
HA
t
HD
t
HA
t
HD
Page 7 of 10
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