PIC16C5X
PIC16C54/55/56/57
FIGURE 12-2: TYPICAL RC OSCILLATOR
FREQUENCY vs. VDD,
FIGURE 12-3: TYPICAL RC OSCILLATOR
FREQUENCY vs. VDD,
CEXT = 20 PF
CEXT = 100 PF
5.5
1.8
R = 3.3k
R = 3.3k
5.0
1.6
4.5
1.4
R = 5k
R = 5k
4.0
1.2
1.0
3.5
3.0
0.8
R = 10k
R = 10k
2.5
0.6
Measured on DIP Packages, T = 25°C
2.0
0.4
Measured on DIP Packages, T = 25°C
0.2
1.5
R = 100k
0.0
1.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD (Volts)
R = 100k
0.5
FIGURE 12-4: TYPICAL RC OSCILLATOR
FREQUENCY vs. VDD,
0.0
CEXT = 300 PF
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD (Volts)
800
700
R = 3.3k
600
R = 5k
500
400
300
200
100
0
R = 10k
Measured on DIP Packages, T = 25°C
R = 100k
5.5 6.0
3.0
3.5
4.0
4.5
5.0
VDD (Volts)
DS30453B-page 82
Preliminary
1998 Microchip Technology Inc.
ETC [ ETC ]
