CY7C0251AV-25AC Cypress Semiconductor Corp, CY7C0251AV-25AC Datasheet - Page 15

• Manufacturer Part Number: CY7C0251AV-25AC
• Description: IC SRAM 144KBIT 25NS 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C0251AV-25AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 144K (8K x 18)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1160

Switching Waveforms
Busy Timing Diagram No.2 (Address Arbitration)
Left Address Valid First:
Document #: 38-06052 Rev. *B
Busy Timing Diagram No.1 (CE Arbitration)
CE
CE
Right Address Valid First:
Note:
46. If t
L
ADDRESS
ADDRESS
R
Valid First:
ADDRESS
ADDRESS
ADDRESS
ADDRESS
ValidFirst:
PS
BUSY
BUSY
BUSY
BUSY
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.
CE
CE
CE
CE
L,R
L,R
R
R
R
L
L
L
R
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
[46]
t
t
BLA
BLA
[46]
ADDRESS MATCH
ADDRESS MATCH
t
t
BLC
BLC
ADDRESS MISMATCH
ADDRESS MISMATCH
t
t
BHA
BHA
CY7C0241AV/0251AV/036AV
t
t
CY7C024AV/025AV/026AV
BHC
BHC
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