PIC18F4550-IP Datasheet, PDF (390/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt 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
t_rc
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.