PIC16C54/55/56/57
PIC16C5X
FIGURE 12-5: TYPICAL IPD vs. VDD,
WATCHDOG DISABLED
FIGURE 12-7: TYPICAL IPD vs. VDD,
WATCHDOG ENABLED
2.5
20
18
16
2.0
14
12
T = 25°C
T = 25°C
1.5
10
8
1.0
0.5
6
4
2
0
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VDD (Volts)
VDD (Volts)
FIGURE 12-6: MAXIMUM IPD vs. VDD,
WATCHDOG DISABLED
FIGURE 12-8: MAXIMUM IPD vs. VDD,
WATCHDOG ENABLED
60
100
50
+125˚C
+85˚C
10
40
–55°C
+70˚C
0˚C
+85°C
30
–40˚C
+125°C
–40°C
+70°C
–55˚C
1
20
10
0
0°C
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
VDD (Volts)
VDD (Volts)
IPD, with WDT enabled, has two components:
The leakage current which increases with higher temperature
and the operating current of the WDT logic which increases
with lower temperature. At –40°C, the latter dominates
explaining the apparently anomalous behavior.
1998 Microchip Technology Inc.
Preliminary
DS30453B-page 83
MICROCHIP [ MICROCHIP ]
