CY7C164-25PC Datasheet Download

Part No.:
CY7C164-25PC
Download:
Download Datasheet
Description:
[16K x 4 Static RAM]
File Size:
265 K
Page:
9 Pages
Logo:
Manufacturer:
CYPRESS [ CYPRESS SEMICONDUCTOR ]
PCB Prototype
 CY7C164-25PC Datasheet Page:1CY7C164-25PC Datasheet Page:2CY7C164-25PC Datasheet Page:3CY7C164-25PC Datasheet Page:4CY7C164-25PC Datasheet Page:6CY7C164-25PC Datasheet Page:7CY7C164-25PC Datasheet Page:8CY7C164-25PC Datasheet Page:9 
CY7C164
CY7C166
Switching Waveforms
(continued)
Write Cycle No. 1(WE Controlled)
[7,11]
t
WC
ADDRESS
t
SCE
CE
t
SA
WE
t
SD
DATA IN
DATA
IN
VALID
t
HZWE
DATA I/O
DATA UNDEFINED
C164–9
t
AW
t
PWE
t
HA
t
HD
t
LZWE
HIGH IMPEDANCE
Write Cycle No. 2(CE Controlled)
[7,11,12]
t
WC
ADDRESS
t
SA
CE
t
AW
t
PWE
WE
t
SD
DATA IN
DATA
IN
VALID
t
HD
t
HA
t
SCE
DATA I/O
HIGH IMPEDANCE
C164–10
Notes:
11. CY7C166 only: Data I/O will be high-impedance if OE = V
IH
.
12. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Document #: 38-05025 Rev. *A
Page 5 of 9