CY7C057V-20AC Cypress Semiconductor Corp, CY7C057V-20AC Datasheet - Page 15

• 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
Interrupt Timing Diagrams
Left Side Sets INT
Right Side Clears INT
Right Side Sets INT
Left Side Clears INT
Notes:
43. t
44. t
ADDRESS
CE
ADDRESS
CE
ADDRESS
ADDRESS
CE
CE
HA
INS
0R
0R
0L
0L
, CE
, CE
depends on which enable pin (CE
, CE
R/W
or t
, CE
R/W
R/W
R/W
INT
OE
INT
OE
INT
INT
INR
1R
1R
1L
L
L
L
1L
R
L
R
R
R
L
R
R
R
R
L
depends on which enable pin (CE
R
:
L
L
:
:
R
:
(continued)
t
INS
CHIP SELECT VALID
0L
WRITE 3FFE (7FFE for CY7C057V)
t
WRITE 3FFF (7FFF for CY7C057V)
INS
/CE
[44]
CHIP SELECT VALID
[44]
1L
0L
or R/W
/CE
t
INR
1L
t
L
or R/W
WC
) is deasserted first.
[44]
t
WC
CHIP SELECT VALID
L
CHIP SELECT VALID
) is asserted last.
t
INR
t
t
[44]
HA
HA
[43]
[43]
(7FFF for CY7C057V)
(7FFF for CY7C057V)
READ 3FFE
READ 3FFF
t
t
RC
RC
CY7C056V
CY7C057V
Page 15 of 23
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