CY7C141-55JC Cypress Semiconductor Corp, CY7C141-55JC Datasheet - Page 9

• Manufacturer Part Number: CY7C141-55JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C141-55JC

• Density: 8Kb
• Access Time (max): 55ns
• Operating Supply Voltage (typ): 5V
• Package Type: LCC
• Operating Temp Range: 0C to 70C
• Supply Current: 90mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Document #: 38-06002 Rev. *D
Write Cycle No. 1 (OE Three-States Data I/Os—Either Port
Write Cycle No. 2 (R/W Three-States Data I/Os—Either Port)
Notes:
ADDRESS
22. If OE is LOW during a R/W controlled write cycle, the write pulse width must be the larger of t
23. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in the high-impedance state.
ADDRESS
DATA
DATA
D
and for data to be placed on the bus for the required t
DATA
OUT
R/W
OE
CE
R/W
OUT
IN
CE
IN
t
HZOE
(continued)
t
SA
t
SA
SD
.
t
SCE
t
SCE
t
AW
t
AW
t
Either Port
t
HZWE
WC
t
WC
[15, 22]
[16, 23]
HIGH IMPEDANCE
t
PWE
DATA VALID
t
PWE
t
SD
PWE
HIGH IMPEDANCE
or t
t
DATA VALID
SD
HZWE
+ t
SD
to allow the data I/O pins to enter high impedance
t
HD
t
HD
t
LZWE
t
HA
t
HA
CY7C130/CY7C131
CY7C140/CY7C141
Page 9 of 19
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