EtronTech
EM564081
Data Retention Characteristics (Ta = -40°C to 85°C)
Symbol
Parameter
Min
Typ Max Unit
CE1# ³ VDD - 0.2V, CE2 £ 0.2V,
VIN ³ VDD - 0.2V or VIN £ 0.2V
Data Retention Supply
Voltage
V
1.0
3.6
3.5
V
-
DR
VDD = 1.0V, CE1# ³ VDD - 0.2V,
CE2 £ 0.2V, VIN ³ VDD - 0.2V or
VIN £ 0.2V
I
Data Retention Current
0.5
-
mA
DR
t
Chip Deselect to Data Retention Mode Time
Recovery Time
0
ns
ns
-
-
-
-
SDR
t
t
RDR
RC
CE1# Controlled Data Retention Mode (see Note1)
V
DD
DATA RETENTION MODE
V
DD
2.7V
V
IH
t
t
SDR
RDR
V
- 0.2V
CE1
DD
GND
CE2 Controlled Data Retention Mode (see Note2)
V
DATA RETENTION MODE
DD
V
DD
2.7V
CE2
V
IH
t
t
SDR
RDR
V
IL
0.2V
GND
Note:
1. If CE1# controlled data retention mode, minimum standby current mode is entered when CE2 £ 0.2V or
CE2 ³ V - 0.2V.
DD
2. In CE2 controlled data retention mode, minimum standby current mode is entered when CE2 £ 0.2V.
Preliminary
January 2001
10
Rev 0.7
ETRON [ ETRON TECHNOLOGY, INC. ]
