Datasheet

ST6200C/ST6201C/ST6203C
71/100
CLOCK AND TIMING CHARACTERISTICS (Cont’d)
Figure 46. Typical RC Oscillator frequency vs.
V
DD
Figure 47. Typical RC Oscillator frequency vs.
Temperature (V
DD
= 5V)
10.5.5 Oscillator Safeguard (OSG) and Low Frequency Auxiliary Oscillator (LFAO)
Figure 48. Typical LFAO Frequencies
Note:
1. Data based on characterization results.
3456
VDD [V]
0
2
4
6
8
10
12
fosc [MHz]
Rnet=22KOhm
Rnet=47KOhm
Rnet=100KOhm
Rnet=220KOhm
Rnet=470KOhm
-40 25 95 125
Ta [°C]
0
2
4
6
8
10
fosc [MHz]
Rnet=22KOhm
Rnet=47KOhm
Rnet=100KOhm
Rnet=220KOhm
Rnet=470KOhm
Symbol Parameter Conditions Min Typ Max Unit
f
LFAO
Low Frequency Auxiliary Oscillator
Frequency
1)
T
A
=
25° C, V
DD
=
5.0 V 200 350 800
kHz
T
A
=
25° C, V
DD
=
3.3 V 86 150 340
f
OSG
Internal Frequency with OSG ena-
bled
T
A
=
25° C, V
DD
=
4.5 V 4
MHz
T
A
=
25° C, V
DD
=
3.3 V 2
3456
VDD [V]
0
100
200
300
400
500
600
fosc [kHz]
Ta=-40°C
Ta=25°C
Ta=125°C
1