PIC18F23K20-ESLASHML datasheet(378/420 Pages) MICROCHIP

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PIC18F2XK20/4XK20

DS41303B-page 376

Advance Information

TABLE 26-7:

PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)

TABLE 26-8:

AC CHARACTERISTICS: INTERNAL OSCILLATORS ACCURACY

PIC18F2XK20/4XK20

FIGURE 26-5:

CLKOUT AND I/O TIMING

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

F10

FOSC

Oscillator Frequency Range

—

MHz

HS mode only

F11

FSYS

On-Chip VCO System Frequency

—

MHz

HS mode only

F12

trc

PLL Start-up Time (Lock Time)

—

F13

ΔCLK CLKOUT Stability (Jitter)

-2

—

† Data in “Typ” column is at 5V, 25

°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

PIC18F2XK20/4XK20

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +125°C

Param

No.

Min

Typ

Max

Units

Conditions

HFINTOSC Accuracy @ Freq = 16 MHz, 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz(1)

1—

+25°C

VDD = 1.8-3.6V

-2

—

0°C to +85°C

VDD = 1.8-3.6V

-5

—

-40°C to +125°C

VDD = 1.8-3.6V

LFINTOSC Accuracy @ Freq = 31 kHz(2)

26.562

—

35.938

kHz

-40°C to +125°C

VDD = 1.8-3.6V

Legend: Shading of rows is to assist in readability of the table.

Note 1:

Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.

INTOSC frequency after calibration.

Change of INTOSC frequency as VDD changes.

Note:

Refer to Figure 26-3 for load conditions.

OSC1

CLKOUT

I/O pin

(Input)

I/O pin

(Output)

20, 21

Old Value

New Value

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