
2002 Microchip Technology Inc.
Preliminary
DS30485A-page 291
PIC18FXX39
FIGURE 24-9:
TYPICAL AND MAXIMUM
IWDT vs. VDD OVER TEMPERATURE (WDT ENABLED)
FIGURE 24-10:
TYPICAL, MINIMUM AND MAXIMUM WDT PERIOD vs. VDD (-40
°C TO +125°C)
0
10
20
30
40
50
60
70
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VDD (V)
IPD
(
A)
Max (125C)
Max (85C)
Typ (25C)
Typical:
statistical mean @ 25°C
Maximum: mean + 3
σ (-40°C to 125°C)
Minimum:
mean – 3
σ (-40°C to 125°C)
Max (+125°C)
Max (+85°C)
Typ (+25°C)
0
5
10
15
20
25
30
35
40
45
50
2.02.5
3.03.5
4.04.5
5.05.5
VDD (V)
WD
T
P
er
iod
(
m
s)
Max
(125C)
MAX
(85C)
Typ
(25C)
Min
(-40C)
Typical:
statistical mean @ 25°C
Maximum: mean + 3
σ (-40°C to 125°C)
Minimum:
mean – 3
σ (-40°C to 125°C)
Max
(+125°C)
Max
(+85°C)
Typ
(+25°C)
Min
(-40°C)