PIC18F6585 Datasheet, PDF (456/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PIC18F6585/8585/6680/8680
FIGURE 28-11: TYPICAL AND MAXIMUM IT1OSC vs. VDD (TIMER1 AS SYSTEM CLOCK)
240
220
Typical: statistical mean @ 25°C
Maximum: mean + 3σ (-10°C to +70°C)
Minimum: mean – 3σ (-10°C to +70°C)
200
180
160
140
120
100
80
Max (70°C)
60
Typ (25°C)
40
20
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VDD (V)
FIGURE 28-12: AVERAGE FOSC vs. VDD FOR VARIOUS R’s (RC MODE, C = 20 pF, TEMP = 25°C)
6,000
Operation above 4MHz is not recomended.
5,000
3.33kkΩΩ
4,000
3,000
5₅._.1_1kk_ΩΩ
2,000
1₁0_0kk_ΩΩ
1,000
1₁0₀0_0kk_ΩΩ
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VDD (V)
DS30491C-page 454
 2004 Microchip Technology Inc.