CY7C1046B
Data Retention Characteristics Over the Operating Range
Parameter
Description
Conditions[10]
VDR
ICCDR
tCDR[3]
tR
VCC for Data Retention
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
Com’l
VCC = VDR = 2.0V,
CE > VCC – 0.3V
VIN > VCC – 0.3V or VIN < 0.3V
Data Retention Waveform
Min. Max Unit
2.0
V
200 µA
0
ns
200
µs
DATA RETENTION MODE
VCC
3.0V
VDR > 2V
tCDR
CE
Switching Waveforms
Read Cycle No. 1[11, 12]
tRC
ADDRESS
DATA OUT
tAA
tOHA
PREVIOUS DATA VALID
Read Cycle No. 2 (OE Controlled)[12, 13]
3.0V
tR
1046B–5
DATA VALID
1046B–6
ADDRESS
tRC
CE
OE
DATA OUT
VCC
SUPPLY
CURRENT
tACE
tDOE
tLZOE
HIGH IMPEDANCE
tLZCE
tPU
50%
Notes:
10. No input may exceed VCC + 0.5V.
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.
Document #: 38-05144 Rev. **
DATA VALID
tHZOE
tHZCE
HIGH
IMPEDANCE
tPD
50%
ICC
ISB
1046B–7
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