Cypress Semiconductor CY7C1034DV33 Şartname Sayfası - Sayfa 7

Bilgisayar Donanımı Cypress Semiconductor CY7C1034DV33 için çevrimiçi göz atın veya pdf Şartname Sayfası indirin. Cypress Semiconductor CY7C1034DV33 10 sayfaları. 6-mbit (256k x 24) static ram

Switching Waveforms
Figure 7. Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
ADDRESS
CE
WE
OE
DATA IO
NOTE 18
ADDRESS
CE
t
SA
WE
DATA IO
NOTE 18

Truth Table

CE
CE
CE
1
2
3
H
X
X
X
L
X
X
X
H
L
H
L
L
H
L
L
H
L
Note
18. During this period, the IOs are in the output state and input signals are not applied.
Document Number: 001-08351 Rev. *C
(continued)
t
SCE
t
AW
t
SA
t
HZOE
Figure 8. Write Cycle No. 3 (WE Controlled, OE LOW)
t
t
AW
t
HZWE
OE
WE
IO
– IO
0
X
X
High Z
X
X
High Z
X
X
High Z
L
H
Full Data Out
X
L
Full Data In
H
H
High Z
t
WC
t
PWE
t
SD
DATA
VALID
IN
t
WC
SCE
t
PWE
t
SD
DATA VALID
Mode
23
Power Down
Power Down
Power Down
Read
Write
Selected, Outputs Disabled Active (I
CY7C1034DV33
[3, 16, 17]
t
HA
t
HD
[3, 17]
t
HA
t
HD
t
LZWE
Power
Standby (I
)
SB
Standby (I
)
SB
Standby (I
)
SB
Active (I
)
CC
Active (I
)
CC
)
CC
Page 7 of 9
[+] Feedback