CY7C109B-20ZCT Cypress Semiconductor Corp, CY7C109B-20ZCT Datasheet - Page 5

• Manufacturer Part Number: CY7C109B-20ZCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C109B-20ZCT

• Density: 1Mb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 17b
• Package Type: TSOP-I
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 75mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Word Size: 8b
• Number Of Words: 128K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05038 Rev. *C
Switching Waveforms
Write Cycle No. 1 (CE
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
Notes:
13. Data I/O is high impedance if OE = V
14. If CE
15. During this period the I/Os are in the output state and input signals should not be applied.
ADDRESS
ADDRESS
DATA I/O
DATA I/O
1
CE
CE
goes HIGH or CE
WE
CE
CE
WE
OE
1
2
1
2
NOTE 15
2
1
goes LOW simultaneously with WE going HIGH, the output remains in a high-impedance state.
or CE
(continued)
2
IH
Controlled)
.
t
SA
t
HZOE
t
SA
[13, 14]
t
t
AW
AW
t
SCE
t
SCE
t
WC
[13, 14]
t
WC
t
PWE
DATA
t
t
PWE
SD
DATA VALID
t
SCE
t
t
SD
SCE
IN
VALID
t
HD
t
t
HA
HA
t
HD
CY7C1009B
CY7C109B
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