EtronTech
Data Retention Characteristics (Ta = -40°C to 85°C)
Symbol
Data Retention Supply
Voltage
Data Retention Current
Parameter
CE1#
≥
V
DD
- 0.2V, CE2
≤
0.2V,
VIN
≥
V
DD
- 0.2V or VIN
≤
0.2V
VDD = 1.0V, CE1#
≥
V
DD
- 0.2V,
CE2
≤
0.2V, VIN
≥
V
DD
- 0.2V or
VIN
≤
0.2V
Min
EM564161
Typ
−
Max
Unit
VDR
1.0
3.6
V
IDR
tSDR
tRDR
−
0
tRC
0.5
−
−
3.5
−
−
µA
ns
ns
Chip Deselect to Data Retention Mode Time
Recovery Time
CE1# Controlled Data Retention Mode
t SDR
V DD
2.7V
Data Retention Mode
t RDR
2.2V
V DR
CE1#
GND
Note 1
CE2 Controlled Data Retention Mode
VDD
2. 7 V
CE2
tSDR
tRDR
D ata R et en t ion M ode
VDR
N ot e 2
0. 4V
GND
Note:
1. CE1#
≥
V
DD
– 0.2V or UB# = LB#
≥
V
DD
– 0.2V
2. CE2
≤
0.2V
Preliminary
11
Rev 2.6
October 2000
ETRON [ ETRON TECHNOLOGY, INC. ]
