SD42C4404 Datasheet, PDF (14/19 Pages) AUK corp – 4Bit Single Chip Microcontroller

SD42C/P4404
RAM Data Retention Characteristics ( in STOP Mode )
(TA = -40 to +85 )
PARAMETER
Data Retention
Supply Voltage
Data Retention
Supply Current
Release Signal Set
Time
Oscillation
Stabilization
Wait Time
SYMBOL
V DDDR
TEST CONDITION
IDDDR
VDDDR = 2.0V
tSREL
tWAIT
When released by RESETB
When released by interrupt
Signal
MIN.
2.0
TYP.
-
MAX. UNIT
6.0
V
-
0.1
10
uA
0
-
-
uS
-
2¹⁷/fx
-
mS
-
NOTE 1)
-
mS
NOTE 1) Depends on the setting of the basic interval timer mode register.
(refer to the table below)
BMOD2
0
0
1
1
BMOD1
0
1
0
0
BMOD0
0
1
0
1
( fX = 4.19MHz )
Oscillation Stabilization
2²⁰/fX (Approximately 250ms)
2¹⁷/fX (Approximately 31.3ms)
2¹⁵/fX (Approximately 7.82ms)
2¹³/fX (Approximately 1.95ms)
KSI-W031-000
14