Cypress Semiconductor CY7C1012DV33 Şartname Sayfası - Sayfa 7
Bilgisayar Donanımı Cypress Semiconductor CY7C1012DV33 için çevrimiçi göz atın veya pdf Şartname Sayfası indirin. Cypress Semiconductor CY7C1012DV33 12 sayfaları. 12-mbit (512k x 24) static ram
Sayfayı YazdırSwitching Waveforms
ADDRESS
CE
WE
DATA I/O
Figure 6. Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
ADDRESS
CE
WE
OE
DATA I/O
NOTE 18
ADDRESS
CE
WE
NOTE 18
DATA I/O
Notes
16. Data I/O is high impedance if OE = V
17. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high impedance state.
18. During this period, the I/Os are in output state. Do not apply input signals.
Document Number: 38-05610 Rev. *D
(continued)
Figure 5. Write Cycle No. 1 (CE Controlled)
t
SA
t
AW
t
AW
t
SA
t
HZOE
Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW)
t
AW
t
SA
t
HZWE
.
IH
[3, 16, 17]
t
WC
t
SCE
t
SCE
t
PWE
t
SD
DATA VALID
t
WC
t
SCE
t
PWE
t
SD
DATA
VALID
IN
t
WC
t
SCE
t
PWE
t
SD
DATA VALID
CY7C1012DV33
t
HA
t
HD
[3, 16, 17]
t
HA
t
HD
[3, 17]
t
HA
t
HD
t
LZWE
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