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

• Manufacturer Part Number: CY7C131-55JXI
• Description: IC SRAM 8KBIT 55NS 52PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-55JXI

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 8K (1K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Document #: 38-06002 Rev. *E
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
CY7C140, CY7C141
Page 11 of 19
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