st62t25cn6 STMicroelectronics, st62t25cn6 Datasheet - Page 76

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st62t25cn6

Manufacturer Part Number
st62t25cn6
Description
8-bit Mcus With A/d Converter, Two Timers, Oscillator Safeguard & Safe Reset
Manufacturer
STMicroelectronics
Datasheet
ST6215C/ST6225C
CLOCK AND TIMING CHARACTERISTICS (Cont’d)
Figure 52. Typical RC Oscillator frequency vs.
V
11.5.5 Oscillator Safeguard (OSG) and Low Frequency Auxiliary Oscillator (LFAO)
Figure 54. Typical LFAO Frequencies
Note:
1. Data based on characterization results.
76/105
1
f
f
LFAO
OSG
DD
Symbol
fosc [MHz]
12
10
4
8
6
2
0
3
Low Frequency Auxiliary Oscillator
Frequency
Internal Frequency with OSG ena-
bled
Rnet=22KOhm
Rnet=47KOhm
Rnet=100KOhm
Rnet=220KOhm
Rnet=470KOhm
4
1)
Parameter
VDD [V]
fosc [kHz]
600
500
400
300
200
100
0
5
3
Ta=-40°C
Ta=25°C
Ta=125°C
T
T
T
T
A
A
A
A
6
25° C, V
25° C, V
25° C, V
25° C, V
4
Conditions
VDD [V]
Figure 53. Typical RC Oscillator frequency vs.
Temperature (V
DD
DD
DD
DD
fosc [MHz]
10
4
8
6
2
0
5.0 V
3.3 V
4.5 V
3.3 V
-40
5
Min
200
DD
86
4
2
Rnet=22KOhm
Rnet=47KOhm
Rnet=100KOhm
Rnet=220KOhm
Rnet=470KOhm
6
25
= 5V)
Ta [°C]
Typ
350
150
95
Max
800
340
MHz
125
Unit
kHz

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