CY7C192 CYPRESS [Cypress Semiconductor], CY7C192 Datasheet - Page 5

• Manufacturer Part Number: CY7C192
• Description: 64K x 4 Static RAM with Separate I/O
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Document #: 38-05047 Rev. **
Read Cycle No. 1
Read Cycle No. 2
Write Cycle No. 1 (WE Controlled)
Notes:
10. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE transition LOW.
11. Device is continuously selected, CE = V
DATA OUT
ADDRESS
DATA OUT
DATA OUT
CURRENT
ADDRESS
DATA IN
SUPPLY
V
CE
WE
CE
CC
[10, 11]
[10, 12]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
t
DATA UNDEFINED
SA
IL
t
[9]
ACE
.
t
OHA
50%
t
AA
t
SCE
t
AW
t
RC
t
WC
t
RC
t
HZWE
DATA VALID
t
PWE
t
SD
DATA VALID
HIGH IMPEDANCE
t
HD
t
DATA VALID
LZWE
t
HA
t
HZCE
t
PD
50%
CY7C192
IMPEDANCE
Page 5 of 10
HIGH
C191–6
C191–7
C191–8
ICC
ISB