CY7C1399B
Data Retention Waveform
DATA RETENTION MODE
V
CC
3.0V
t
CDR
CE
V
DR
>
2V
3.0V
t
R
Switching Waveforms
Read Cycle No. 1
[11, 12]
t
RC
ADDRESS
t
OHA
DATA OUT
PREVIOUS DATA VALID
t
AA
DATA VALID
Read Cycle No. 2
[12, 13]
CE
t
ACE
OE
t
DOE
t
LZOE
HIGH IMPEDANCE
t
LZCE
V
CC
SUPPLY
CURRENT
t
PU
50%
t
PD
ICC
50%
ISB
t
HZOE
t
HZCE
DATA VALID
t
RC
HIGH
IMPEDANCE
DATA OUT
Notes:
11. Device is continuously selected. OE, CE = V
IL
.
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
Document #: 38-05071 Rev. *C
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