CY7C150
Switching Waveforms
Read Cycle No.1
t
RC
ADDRESS
t
OHA
DATA OUT
PREVIOUS DATA VALID
t
AA
DATA VALID
C150-5
Read Cycle No. 2
CE
t
RC
t
ACS
OE
t
DOE
DATA OUT
t
LZOE
HIGH IMPEDANCE
t
LZCS
C150-6
t
HZOE
t
HZCS
DATA VALID
HIGH
IMPEDANCE
Write CycleNo.1 (WE Controlled)
t
WC
ADDRESS
t
SCS
CE
t
SA
WE
t
SD
DATA IN
DATA
IN
VALID
t
HZWE
DATA I/O
DATA UNDEFINED
t
LZWE
HIGH IMPEDANCE
t
HD
t
AW
t
PWE
t
HA
C150-7
Notes:
9. WE is HIGH for read cycle.
10. Device is continuously selected, CS and OE = V
IL
.
11. Address prior to or coincident with CS transition LOW.
Document #: 38-05024 Rev. **
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