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2005 Microchip Technology Inc.
Preliminary
DS41265A-page 233
PIC16F946
D020
Power-down Base
Current (IPD)(4)
—0.1
TBD
μA
2.0
WDT, BOR, Comparators, VREF and
T1OSC disabled
—0.5
TBD
μA3.0
—0.75
TBD
μA5.0
D021
—
0.6
TBD
μA
2.0
WDT Current
—1.8
TBD
μA3.0
—8.4
TBD
μA5.0
D022
—
58
TBD
μA
3.0
BOR Current
—75
TBD
μA5.0
D023
—
35
TBD
μA
2.0
Comparator Current(3)
—65
TBD
μA3.0
—130
TBD
μA5.0
D024
—
40
TBD
μA2.0
CVREF Current
—
50.5
TBD
μA3.0
—80
TBD
μA5.0
D025
—
2.1
TBD
μA
2.0
T1OSC Current
—2.5
TBD
μA3.0
—3.4
TBD
μA5.0
D026
—
1.2
TBD
nA
3.0
A/D Current
—0.0022
TBD
μA5.0
19.2
DC Characteristics: PIC16F946-I (Industrial) (Continued)
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C
≤ TA ≤ +85°C for industrial
Param
No.
Device Characteristics
Min
Typ
Max
Units
Conditions
VDD
Note
Legend: TBD = To Be Determined
Data in ‘Typ’ column is at 5.0V, 25
°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1:
The test conditions for all IDD measurements in Active Operation mode are: OSC1 = external square
wave, from rail-to-rail; all I/O pins tri-stated, pulled to VDD; MCLR = VDD; WDT disabled.
2:
The supply current is mainly a function of the operating voltage and frequency. Other factors, such as I/O
pin loading and switching rate, oscillator type, internal code execution pattern and temperature, also have
an impact on the current consumption.
3:
The peripheral current is the sum of the base IDD or IPD and the additional current consumed when this
peripheral is enabled. The peripheral
Δ current can be determined by subtracting the base IDD or IPD
current from this limit. Max values should be used when calculating total current consumption.
4:
The power-down current in Sleep mode does not depend on the oscillator type. Power-down current is
measured with the part in Sleep mode, with all I/O pins in high-impedance state and tied to VDD.
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