PIC18F23K20-ESLASHML datasheet(368/420 Pages) MICROCHIP

368 / 420 page

PIC18F2XK20/4XK20

DS41303B-page 366

Advance Information

26.7

DC Characteristics: Secondary Oscillator Supply Current, PIC18F2XK20/4XK20

PIC18F2XK20/4XK20

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Device Characteristics

Typ

Max

Units

Conditions

D020

Supply Current (IDD)(1, 2)

7—

μA

-40°C

VDD = 1.8V

FOSC = 32 kHz(3)

(SEC_RUN mode,

Timer1 as clock)

8—

μA+25°C

—

μA+85°C

D020A

—

μA

-40°C

VDD = 3.0V

—

μA+25°C

—

μA+85°C

D021

1.0

—

μA

-40°C

VDD = 1.8V

FOSC = 32 kHz(3)

(SEC_IDLE mode,

Timer1 as clock)

1.5

—

μA+25°C

3.5

—

μA+85°C

D021A

1.0

—

μA

-40°C

VDD = 3.0V

1.5

—

μA+25°C

3.5

—

μA+85°C

Note 1:

The supply current is mainly a function of operating voltage, frequency and mode. Other factors, such as

I/O pin loading and switching rate, oscillator type and circuit, internal code execution pattern and tempera-

ture, also have an impact on the current consumption.

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 enabled/disabled as specified.

For RC oscillator configurations, current through REXT is not included. The current through the resistor can

be estimated by the formula Ir = VDD/2REXT (mA) with REXT in k

Ω.

Low-Power mode on T1 osc.

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