PIC16C71X
Applicable Devices 710 71 711 715
FIGURE 16-4: TYPICAL RC OSCILLATOR
FREQUENCY VS. VDD
TABLE 16-1: RC OSCILLATOR
FREQUENCIES
.8
Average
R = 3.3k
Cext
20 pF
Rext
4.7k
10k
100k
FOSC @ 5V, 25°C
.7
4.52 MHz
2.47 MHz
±17.35%
±10.10%
R = 4.7k
.6
.5
290.86 kHz ±11.90%
100 pF
300 pF
3.3k
4.7k
10k
1.92 MHz
1.49 MHz
±9.43%
±9.83%
788.77 kHz ±10.92%
88.11 kHz ±16.03%
100k
3.3k
4.7k
10k
726.89 kHz ±10.97%
573.95 kHz ±10.14%
307.31 kHz ±10.43%
.4
.3
.2
.1
R = 10k
100k
33.82 kHz
±11.24%
The percentage variation indicated here is part to part
variation due to normal process distribution. The varia-
tion indicated is ±3 standard deviation from average
value for VDD = 5V.
Cext = 300 pF, T = 25°C
R = 100k
5.5
FIGURE 16-6: TYPICAL IPD VS. VDD
WATCHDOGTIMER ENABLED
25°C
0
3.0
3.5
4.0
4.5
5.0
6.0
VDD (Volts)
14
FIGURE 16-5: TYPICAL IPD VS. VDD
WATCHDOG TIMER
DISABLED 25°C
12
10
0.6
0.5
0.4
0.3
0.2
8
6
4
2
0
0.1
0.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD (Volts)
3.0
3.5
4.0
4.5
5.0
5.5 6.0
VDD (Volts)
DS30272A-page 148
1997 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
