CY7C199-55PC Cypress Semiconductor Corp, CY7C199-55PC Datasheet - Page 5

• 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
Read Cycle No. 1
Read Cycle No. 2
Notes:
12. Device is continuously selected. OE, CE = V
13. WE is HIGH for read cycle.
14. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
CURRENT
ADDRESS
SUPPLY
V
CE
OE
CC
[12, 13]
[13, 14]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
IL
t
t
LZOE
ACE
.
t
50%
OHA
t
DOE
t
AA
t
RC
t
RC
DATA VALID
DATA VALID
t
t
HZOE
HZCE
t
PD
50%
CY7C199
IMPEDANCE
Page 5 of 11
HIGH
ICC
ISB
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