EtronTech
Data Retention Characteristics (Ta = -40°C to 85°C)
Symbol
Data Retention Supply
Voltage
Parameter
CE1#
≥
V
DD
- 0.2V, CE2
≤
0.2V,
VIN
≥
V
DD
- 0.2V or VIN
≤
0.2V
VDD = 0.9V, CE1#
≥
V
DD
- 0.2V,
CE2
≤
0.2V, VIN
≥
V
DD
- 0.2V or
VIN
≤
0.2V
Min
EM584161
Typ
Max
Unit
VDR
0.9
−
1.95
V
IDR
tSDR
tRDR
Data Retention Current
−
0
tRC
−
−
−
4.0
−
−
µA
ns
ns
Chip Deselect to Data Retention Mode Time
Recovery Time
CE1# Controlled Data Retention Mode
t SDR
V DD
1.65V
Data Retention Mode
t RDR
1.4V
V DR
CE1#,
LB#/UB#
GND
Note 1
CE2 Controlled Data Retention Mode
V DD
1.6 5V
CE2
t SDR
t RD R
Data Reten tion Mode
VD R
0.4 V
GND
Note 2
Note:
1. CE1#
≥
V
DD
– 0.2V or UB# = LB#
≥
V
DD
– 0.2V
2. CE2
≤
0.2V
11
Rev 2.0
Nov. 2003
ETRON [ ETRON TECHNOLOGY, INC. ]
