CY62256V
Switching Waveforms
Read Cycle No. 1
[12, 13]
t
RC
ADDRESS
t
OHA
DATA OUT
PREVIOUS DATA VALID
t
AA
DATA VALID
Read Cycle No. 2
CE
[13, 14]
t
RC
t
ACE
OE
t
DOE
DATA OUT
t
LZOE
HIGH IMPEDANCE
t
LZCE
V
CC
SUPPLY
CURRENT
t
PU
50%
DATA VALID
t
PD
ICC
50%
ISB
t
HZOE
t
HZCE
HIGH
IMPEDANCE
Write Cycle No. 1 (WE Controlled)
ADDRESS
[10, 15, 16]
t
WC
CE
t
AW
WE
t
SA
t
PWE
t
HA
OE
t
SD
DATA I/O
NOTE 17
t
HZOE
Notes:
12. Device is continuously selected. OE, CE = V
IL
.
13. WE is HIGH for read cycle.
t
HD
DATA
IN
VALID
Document #: 38-05057 Rev. *D
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