PIC16C71X
Applicable Devices 710 71 711 715
FIGURE 14-18: TYPICAL IDD vs.
CAPACITANCE @ 500 kHz
FIGURE 14-19: TRANSCONDUCTANCE(gm)
OF HS OSCILLATOR vs. VDD
(RC MODE)
600
500
400
300
200
100
4.0
Max -40°C
5.0V
3.5
3.0
4.0V
3.0V
2.5
Typ 25°C
2.0
Min 85°C
1.5
1.0
0.5
0.0
0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
20 pF
100 pF
300 pF
VDD(Volts)
Capacitance(pF)
Shaded area is beyond recommended range.
TABLE 14-1: RC OSCILLATOR
FREQUENCIES
FIGURE 14-20: TRANSCONDUCTANCE(gm)
OF LP OSCILLATOR vs. VDD
Average
Cext
Rext
110
Fosc @ 5V, 25°C
100
Max -40°C
90
80
70
22 pF
5k
10k
100k
3.3k
5k
4.12 MHz
2.35 MHz
268 kHz
1.80 MHz
1.27 MHz
688 kHz
77.2 kHz
707 kHz
501 kHz
269 kHz
28.3 kHz
± 1.4%
± 1.4%
± 1.1%
± 1.0%
± 1.0%
± 1.2%
± 1.0%
± 1.4%
± 1.2%
± 1.6%
± 1.1%
60
50
40
30
20
10
0
Typ 25°C
Min 85°C
100 pF
300 pF
10k
100k
3.3k
5k
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VDD(Volts)
10k
100k
Shaded area is beyond recommended range.
FIGURE 14-21: TRANSCONDUCTANCE(gm)
OF XT OSCILLATOR vs. VDD
The percentage variation indicated here is part to
part variation due to normal process distribution.The
variation indicated is ±3 standard deviation from
average value for VDD = 5V.
1000
900
Max -40°C
800
700
600
500
400
300
200
100
0
Typ 25°C
Min 85°C
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VDD(Volts)
Shaded area is beyond recommended range.
1997 Microchip Technology Inc.
DS30272A-page 131
MICROCHIP [ MICROCHIP ]
