CY7C109B-20VC Cypress Semiconductor Corp, CY7C109B-20VC Datasheet - Page 8

• Manufacturer Part Number: CY7C109B-20VC
• Description: IC SRAM 1MBIT 20NS 32SOJ
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C109B-20VC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (128K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-SOJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1035

Switching Waveforms
Write Cycle No. 3 (WE Controlled, OE LOW)
Truth Table
Document #: 38-05038 Rev. **
CE
ADDRESS
H
DATA I/O
X
L
L
L
1
CE
CE
WE
1
2
CE
H
H
H
X
L
2
NOTE 15
OE
H
X
X
L
X
t
SA
WE
(continued)
X
X
H
H
L
High Z
High Z
Data Out
Data In
High Z
t
HZWE
I/O
0
– I/O
[14]
7
t
AW
t
SCE
Power-Down
Power-Down
Read
Write
Selected, Outputs Disabled
t
SCE
t
WC
t
PWE
DATA VALID
t
SD
Mode
t
t
HA
LZWE
t
HD
Standby (I
Standby (I
Active (I
Active (I
Active (I
CY7C1009B
CY7C109B
CC
CC
CC
Power
SB
SB
)
)
)
)
)
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