CY7C144AV-25AC Cypress Semiconductor Corp, CY7C144AV-25AC Datasheet - Page 14

• Manufacturer Part Number: CY7C144AV-25AC
• Description: IC SRAM 64KB DUAL 64-TQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C144AV-25AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 64K (8K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Switching Waveforms
Busy Timing Diagram No. 2 (Address Arbitration)
Left Address Valid First
Document #: 38-06051 Rev. *C
Busy Timing Diagram No. 1 (CE Arbitration)
CE
CE
Right Address Valid First:
Note:
42. If t
L
ADDRESS
ADDRESS
R
Valid First:
ADDRESS
ADDRESS
Valid First:
ADDRESS
ADDRESS
PS
is violated, the busy signal will be asserted on one side or the other, but there is no guarantee to which side BUSY will be asserted.
BUSY
BUSY
BUSY
BUSY
CE
CE
CE
CE
L,R
L,R
R
R
R
L
R
L
L
L
R
R
L
L
(continued)
t
t
PS
PS
ADDRESS MATCH
ADDRESS MATCH
t
t
RC
RC
or t
or t
t
t
PS
PS
WC
WC
t
t
[42]
BLA
BLA
ADDRESS MATCH
ADDRESS MATCH
[42]
t
t
BLC
BLC
ADDRESS MISMATCH
ADDRESS MISMATCH
t
t
BHA
BHA
t
t
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
BHC
BHC
CY7C007AV/017AV
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