CY7C144AV-20AC Cypress Semiconductor Corp, CY7C144AV-20AC Datasheet - Page 14

• Manufacturer Part Number: CY7C144AV-20AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C144AV-20AC

• Density: 64Kb
• Access Time (max): 20ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Supply Current: 175mA
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Word Size: 8b
• Lead Free Status / Rohs Status: Not 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
Page 14 of 20