Microchip Technology DM164134 Data Sheet
PIC18FXX8
DS41159E-page 366
© 2006 Microchip Technology Inc.
FIGURE 28-11:
TYPICAL AND MAXIMUM I
DD
vs. V
DD
(TIMER1 AS MAIN OSCILLATOR 32.768 kHz, C1 AND C2 = 47 pF)
FIGURE 28-12:
AVERAGE F
OSC
vs. V
DD
FOR VARIOUS VALUES OF R
(RC MODE, C = 20 pF, +25
°C)
0
200
400
600
800
1000
1200
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
DD
(V)
I
DD
(
μ
A)
Typ (25°C)
Max (70°C)
Typical:
statistical mean @ 25°C
Maximum:
mean + 3
σ (-10°C to +70°C)
Minimum:
mean – 3
σ (-10°C to +70°C)
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
DD
(V)
Fr
eq (
k
H
z
)
3.3k
Ω
5.1k
Ω
10k
Ω
100k
Ω
Operation above 4 MHz is not recommended.