Cypress Semiconductor CY7C1024DV33 사양 시트 - 페이지 7
{카테고리_이름} Cypress Semiconductor CY7C1024DV33에 대한 사양 시트을 온라인으로 검색하거나 PDF를 다운로드하세요. Cypress Semiconductor CY7C1024DV33 9 페이지. 3-mbit (128k x 24) static ram
페이지 인쇄Switching Waveforms
Figure 6. Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
ADDRESS
CE
WE
OE
DATA I/O
NOTE 18
ADDRESS
CE
t
SA
WE
DATA I/O
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 I/Os are in the output state and input signals are not applied.
Document Number: 001-08353 Rev. *C
(continued)
t
SCE
t
AW
t
SA
t
HZOE
Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW)
t
t
AW
t
HZWE
OE
WE
I/O
– I/O
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
CY7C1024DV33
[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
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