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
Min
EM564161
Typ
Max
Unit
VDR
tSDR
tRDR
1.0
0
tRC
−
−
−
3.6
−
−
V
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
CE 2
t S DR
t RDR
D ata Reten tion M ode
VDR
0.4V
GND
Note 2
Note:
1. CE1#
≥
V
DD
– 0.2V or UB# = LB#
≥
V
DD
– 0.2V
2. CE2
≤
0.2V
12
Rev 3.1
Apr. 2004