HM621400HC Series
Low VCC Data Retention Characteristics (Ta = 0 to +70°C)
This characteristics is guaranteed only for L-version.
Parameter
Symbol Min Typ*1 Max Unit Test conditions
VCC for data retention
VDR
Data retention current
I CCDR
Chip deselect to data
t CDR
retention time
2.0
—
—
V
VCC CS V CC – 0.2 V
(1) 0 V Vin 0.2 V or
(2) VCC Vin V CC – 0.2 V
—
TBD 800
µA
VCC = 3 V, VCC CS V CC – 0.2 V
(1) 0 V Vin 0.2 V or
(2) VCC Vin V CC – 0.2 V
0
—
—
ns See retention waveform
Operation recovery time tR
5
—
—
ms
Note: 1. Typical values are at VCC = 3.0 V, Ta = +25˚C, and not guaranteed.
Low VCC Data Retention Timing Waveform
t CDR
Data retention mode
tR
VCC
4.5 V
2.2 V
VDR
CS
0V
VCC ≥ CS ≥ VCC – 0.2 V
12