CY7C187-35PC Cypress Semiconductor Corp, CY7C187-35PC Datasheet - Page 4

• Manufacturer Part Number: CY7C187-35PC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C187-35PC

• Density: 64Kb
• Access Time (max): 35ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 70mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 22
• Word Size: 1b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05044 Rev. *A
Switching Waveforms
Read Cycle No. 2
Write Cycle No. 1(WE Controlled)
Note:
11. Address valid prior to or coincident with CE transition LOW.
DATA OUT
CURRENT
DATA OUT
ADDRESS
SUPPLY
DATA IN
V
CE
WE
CE
CC
[9, 11]
HIGH IMPEDANCE
t
PU
t
LZCE
t
DATA UNDEFINED
SA
[11]
t
ACE
50%
t
SCE
t
AW
t
RC
t
WC
t
HZWE
DATA VALID
t
PWE
t
SD
DATA VALID
HIGH IMPEDANCE
t
HD
t
LZWE
t
HA
t
HZCE
t
PD
50%
CY7C187
IMPEDANCE
Page 4 of 9
HIGH
C187–7
C187–8
ICC
ISB
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