HM62W16255H Series
Low VCC Data Retention Characteristics (Ta = 0 to +70°C)
This characteristics is guaranteed only for L-version.
Parameter
VCC for data retention
Data retention current
Symbol Min Typ*1 Max Unit
VDR
2.0 — — V
I CCDR
— 40 600 µA
Chip deselect to data retention time tCDR
0
— — ns
Operation recovery time
tR
5
— — ms
Note: 1. Typical values are at VCC = 3.0 V, Ta = +25˚C, and not guaranteed.
Test conditions
VCC ≥ CS ≥ VCC – 0.2 V,
(1) 0 V ≤ Vin ≤ 0.2 V or
(2) VCC ≥ Vin ≥ VCC – 0.2 V
VCC = 3 V
VCC ≥ CS ≥ VCC – 0.2 V,
(1) 0 V ≤ Vin ≤ 0.2 V or
(2) VCC ≥ Vin ≥ VCC – 0.2 V
See retention waveform
Low VCC Data Retention Timing Waveform
tCDR
Data retention mode
tR
VCC
3.0 V
VDR
2.2 V
CS
VCC ≥ CS ≥ VCC – 0.2 V
0V
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