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CY7C1021BV33
Document #: 38-05148 Rev. *A
Page 5 of 11
Data Retention Waveform
3.0V
3.0V
tCDR
VDR > 2V
DATA RETENTION MODE
tR
CE
VCC
Switching Waveforms
Notes:
11. Device is continuously selected. OE, CE, BHE and/or BHE = VIL.
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
Read Cycle No. 1
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
ADDRESS
DATA OUT
[11, 12]
Read Cycle No. 2 (OE Controlled)
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tHZBE
tPD
HIGH
OE
CE
ICC
ISB
IMPEDANCE
ADDRESS
DATA OUT
VCC
SUPPLY
tDBE
tLZBE
tHZCE
BHE, BLE
[12, 13]
CURRENT
ICC
ISB
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