CY7C199-55PC Cypress Semiconductor Corp, CY7C199-55PC Datasheet - Page 6

• Manufacturer Part Number: CY7C199-55PC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C199-55PC

• Density: 256Kb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 15b
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05160 Rev. *B
Switching Waveforms
Write Cycle No. 1 (WE Controlled)
Write Cycle No. 2 (CE Controlled)
Notes:
15. Data I/O is high impedance if OE = V
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
ADDRESS
ADDRESS
DATA I/O
DATA I/O
CE
WE
WE
CE
OE
(continued)
IH
.
t
SA
t
HZOE
[10, 15, 16]
[10, 15, 16]
t
SA
t
AW
t
AW
t
WC
t
WC
DATA
t
t
PWE
SD
DATA
t
IN
SCE
t
SD
VALID
IN
VALID
t
HD
t
HA
t
HA
t
HD
CY7C199
Page 6 of 11
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