CY7C109B-15VC Datasheet Download

Part No.:
CY7C109B-15VC
Download:
Download Datasheet
Description:
[128K x 8 Static RAM]
File Size:
199 K
Page:
12 Pages
Logo:
Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
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CY7C109B
CY7C1009B
Switching Waveforms
(continued)
Write Cycle No. 3 (WE Controlled, OE LOW)
[14]
t
WC
ADDRESS
t
SCE
CE
1
CE
2
t
SCE
t
AW
t
SA
WE
t
SD
DATA I/O
NOTE 15
t
HZWE
DATA VALID
t
LZWE
10B9–11
t
HA
t
PWE
t
HD
Truth Table
CE
1
H
X
L
L
L
CE
2
X
L
H
H
H
OE
X
X
L
X
H
WE
X
X
H
L
H
I/O
0
– I/O
7
High Z
High Z
Data Out
Data In
High Z
Power-Down
Power-Down
Read
Write
Selected, Outputs Disabled
Mode
Power
Standby (I
SB
)
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Document #: 38-05038 Rev. **
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