CY7C057V-20AC Cypress Semiconductor Corp, CY7C057V-20AC Datasheet - Page 14

• Manufacturer Part Number: CY7C057V-20AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C057V-20AC

• Density: 1.125Mb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 15b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 340mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Word Size: 36b
• Number Of Words: 32K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06055 Rev. *B
Switching Waveforms
Busy Timing Diagram No. 2 (Address Arbitration)
Left Address Valid First:
Busy Timing Diagram No. 1 (CE Arbitration)
CE
CE
Right Address Valid First:
Note:
42. If t
ADDRESS
L
ADDRESS
R
Valid First:
ADDRESS
ADDRESS
ADDRESS
ADDRESS
CE
CE
Valid First:
CE
CE
PS
0L
0R
0L
0R
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
BUS
, CE
BUSY
, CE
, CE
, CE
L,R
L,R
R
1L
1L
1R
1R
L
R
R
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
CHIP SELECT VALID
CHIP SELECT VALID
ADDRESS MATCH
ADDRESS MATCH
[42]
t
t
BLC
BLC
CHIP SELECT VALID
ADDRESS MISMATCH
ADDRESS MISMATCH
CHIP SELECT VALID
t
t
BHA
BHA
t
t
BHC
BHC
CY7C056V
CY7C057V
Page 14 of 23
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