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CY7C1399B
Document #: 38-05071 Rev. *D
Page 6 of 10
Data Retention Waveform
3.0V
3.0V
tCDR
VDR > 2V
DATA RETENTION MODE
tR
CE
VCC
Switching Waveforms
Read Cycle No. 1[11, 12]
Read Cycle No. 2[12, 13]
Notes:
11. Device is continuously selected. OE, CE = VIL.
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
ADDRESS
DATA OUT
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
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