PIC18F2455T-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F2455T-I/ML

28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC18F2455/2550/4455/4550

TABLE 28-9: PLL CLOCK TIMING SPECIFICATIONS (VDD = 3.0V TO 5.5V)

Param

No.

Sym

Characteristic

Min

Typ†

Max Units Conditions

F10 FOSC Oscillator Frequency Range

4

—

48 MHz With PLL

prescaler

F11

FSYS On-Chip VCO System Frequency

—

96

— MHz

F12

trc

PLL Start-up Time (Lock Time)

F13 ΔCLK CLKO Stability (Jitter)

—

—

2

ms

-0.25

—

+0.25 %

† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

TABLE 28-10: AC CHARACTERISTICS: INTERNAL RC ACCURACY

PIC18F2455/2550/4455/4550 (INDUSTRIAL)

PIC18LF2455/2550/4455/4550 (INDUSTRIAL)

PIC18LF2455/2550/4455/4550

(Industrial)

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C ≤ TA ≤ +85°C for industrial

PIC18F2455/2550/4455/4550

(Industrial)

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C ≤ TA ≤ +85°C for industrial

Param

No.

Device

Min Typ Max Units

Conditions

INTOSC Accuracy @ Freq = 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz, 125 kHz(1)

F14 PIC18LF2455/2550/4455/4550 -2 +/-1

2

%

+25°C

VDD = 2.7-3.3V

F15

-5

—

5

% -10°C to +85°C VDD = 2.7-3.3V

F16

-10 +/-1 10

% -40°C to +85°C VDD = 2.7-3.3V

F17

PIC18F2455/2550/4455/4550 -2 +/-1

2

%

+25°C

VDD = 4.5-5.5V

F18

-5

—

5

% -10°C to +85°C VDD = 4.5-5.5V

F19

-10 +/-1 10

INTRC Accuracy @ Freq = 31 kHz(2)

% -40°C to +85°C

VDD = 4.5-5.5V

F20 PIC18LF2455/2550/4455/4550 26.562 — 35.938 kHz -40°C to +85°C VDD = 2.7-3.3V

F21

PIC18F2455/2550/4455/4550 26.562 — 35.938 kHz -40°C to +85°C VDD = 4.5-5.5V

Legend:

Note 1:

2:

3:

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

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

INTRC frequency after calibration.

Change of INTRC frequency as VDD changes.

DS39632E-page 388

© 2009 Microchip Technology Inc.

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