CY7C144-55AC Cypress Semiconductor Corp, CY7C144-55AC Datasheet - Page 15

• Manufacturer Part Number: CY7C144-55AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C144-55AC

• Density: 64Kb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 13b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 160mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Word Size: 8b
• Number Of Words: 8K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Notes
Document #: 38-06034 Rev. *G
29. t
30. t
Left Side Sets INT
HA
INS
Right Side Clears INT
Right Side Sets INT
Left Side Clears INT
depends on which enable pin (CE
ADDRESS
or t
ADDRESS
ADDRESS
ADDRESS
INR
depends on which enable pin (CE
R/W
INT
CE
R/W
R/W
R/W
OE
INT
INT
INT
CE
CE
OE
CE
L
L
L
R
R
L
L
L
L
R
R
R
R
R
R
R
R
L
R
:
L
L
:
:
R
:
(continued)
L
or R/W
t
L
INS
t
L
INS
or R/W
) is deasserted first.
[30]
[30]
WRITE 1FFF
WRITE 1FFE
L
Figure 16. Interrupt Timing Diagrams
) is asserted last.
t
t
WC
WC
t
t
INR
INR
t
HA
t
HA
[30]
[30]
[29]
[29]
READ 1FFE
READ 1FFF
t
t
RC
RC
CY7C144, CY7C145
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