CY7C131-55JCT Cypress Semiconductor Corp, CY7C131-55JCT Datasheet - Page 11

• Manufacturer Part Number: CY7C131-55JCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-55JCT

• Density: 8Kb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 20b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 110mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Number Of Words: 1K
• Lead Free Status / RoHS Status: Not Compliant

Switching Waveforms
Document #: 38-06002 Rev. *F
ADDRESS
CE
CE
Left Address Valid First:
Right Address Valid First:
ADDRESS
ADDRESS
ADDRESS
ADDRESS
ADDRESS
R
L
Valid First:
Valid First:
BUSY
BUSY
BUSY
BUSY
CE
CE
CE
CE
L, R
L,R
R
L
R
R
R
L
L
L
L
R
L
R
Figure 11. Busy Timing Diagram No. 2 (Address Arbitration)
t
t
PS
PS
(continued)
ADDRESS MATCH
ADDRESS MATCH
Figure 10. Busy Timing Diagram No. 1 (CE Arbitration)
t
t
RC
RC
or t
or t
t
t
PS
PS
WC
WC
t
t
BLA
BLA
ADDRESS MATCH
ADDRESS MATCH
t
t
BLC
BLC
ADDRESS MISMATCH
ADDRESS MISMATCH
t
t
BHA
BHA
t
t
BHC
BHC
CY7C130, CY7C130A
CY7C131, CY7C131A
Page 11 of 19
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