CY7C187-15PXC Cypress Semiconductor Corp, CY7C187-15PXC Datasheet - Page 4

• Manufacturer Part Number: CY7C187-15PXC
• Description: IC SRAM 64KBIT 15NS 22DIP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C187-15PXC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 64K (64K x 1)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 22-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS 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