CY7C1021BN-12VXI Cypress Semiconductor Corp, CY7C1021BN-12VXI Datasheet - Page 7

• Manufacturer Part Number: CY7C1021BN-12VXI
• Description: IC SRAM 1MBIT 12NS 44SOJ
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1021BN-12VXI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (64K x 16)
• Speed: 12ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-SOJ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 001-06494 Rev. *A
Switching Waveforms
Write Cycle No. 3 (WE Controlled, OE LOW)
Truth Table
CE
BHE, BLE
H
DATA I/O
L
L
L
L
ADDRESS
OE
CE
WE
X
X
H
X
L
WE
H
H
X
L
X
X
L
L
H
L
L
H
X
H
BLE
X
L
H
L
L
H
L
X
H
BHE
t
SA
(continued)
High Z
Data Out
Data Out
High Z
Data In
Data In
High Z
High Z
High Z
I/O
1
–I/O
8
t
AW
High Z
Data Out
High Z
Data Out
Data In
High Z
Data In
High Z
High Z
I/O
t
SCE
9
–I/O
t
t
BW
t
WC
HZWE
16
t
PWE
Power-Down
Write - Lower bits only
Write - Upper bits only
Selected, Outputs Disabled
Selected, Outputs Disabled
Read - All bits
Read - Lower bits only
Read - Upper bits only
Write - All bits
t
SD
Mode
t
HD
t
LZWE
t
HA
CY7C10211BN
CY7C1021BN
Standby (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Power
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SB
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