MC97F6108A User’s manual
20. Electrical characteristics
221
20.3
Internal RC oscillator characteristics
Table 40. Internal RC Oscillator Characteristics
(T
A
=-40°C ~ +85°C, VDD=2.7V ~ 5.5V, VSS=0V)
Parameter
Symbol
Conditions
MIN TYP MAX Unit
Frequency
f
IRC
V
DD
= 2.7
–
5.5V, T
A
=-
40°C ~ +85°C
–
16
–
MHz
Tolerance
–
T
A
= +25
°
C
With 0.1uF
Bypass
capacitor
–
–
±
1.0
%
T
A
= -2
0°C to +70°
C
±
2.0
T
A
= -4
0°C to +
85
°
C
±
3.0
Clock duty ratio
TOD
–
40
50
60
%
Stabilization time
T
IRCS
–
–
1
-
ms
IRC current
I
IRC
–
–
400
–
uA
NOTE
: A 0.1uF bypass capacitor should be connected to VDD and VSS.
20.4
Internal WDT oscillator characteristics
Table 41. Internal WDT Oscillator Characteristics
(T
A
=-40°C ~ +85°C, VDD=2.7V ~ 5.5V, VSS=0V)
Parameter
Symbol Conditions
MIN TYP MAX Unit
Frequency
fLSI
VDD=2.7V~5.5V, T
A
=-
40°C~+85°C
4
8
12
kHz
Stabilization time
T
WDTS
–
–
1
–
ms
Internal WDT current I
WDT
–
–
5
–
uA
20.5
Voltage Dropout Converter characteristics
Table 42. Voltage Dropout Converter Characteristics
(T
A
=-40°C ~ +85°C, VDD=2.7V ~ 5.5V, VSS=0V)
Parameter
Symbol Conditions
MIN TYP MAX Unit
Regulation voltage
-
1.62 1.8
1.98 V
Current drivability
-
-
20
-
mA
Operating current
I
VDCRUN
RUN/IDLE
-
0.5
-
mA
T
TRAN
STOP to RUN
-
200
-
ns
-
STOP1 (WDTRC running)
-
0.5
-
uA
-
STOP2 (WDTRC disable)
-
0.5
-
uA