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WCFS0808V1E
Document #: 38-05225 Rev. **
Page 6 of 10
Data Retention Waveform
3.0V
3.0V
tCDR
VDR > 2V
DATA RETENTION MODE
tR
CE
VCC
Switching Waveforms
Notes:
10. Device is continuously selected. OE, CE = VIL.
11. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE transition LOW.
ADDRESS
DATA OUT
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
Read Cycle No. 1[10, 11]
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
DATA OUT
HIGH IMPEDANCE
IMPEDANCE
ICC
ISB
tHZOE
tHZCE
tPD
OE
CE
HIGH
VCC
SUPPLY
CURRENT
Read Cycle No. 2[11, 12]