PIC18F2420/2520/4420/4520
TABLE 26-7: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)
Param
No.
Sym
Characteristic
Min
Typ†
Max
Units Conditions
F10
F11
F12
F13
FOSC Oscillator Frequency Range
4
—
—
—
—
10
40
2
MHz HS mode only
FSYS On-Chip VCO System Frequency
16
—
-2
MHz HS mode only
trc
PLL Start-up Time (Lock Time)
ms
%
ΔCLK CLKO 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.
TABLE 26-8: AC CHARACTERISTICS: INTERNAL RC ACCURACY
PIC18F2420/2520/4420/4520 (INDUSTRIAL)
PIC18LF2420/2520/4420/4520 (INDUSTRIAL)
PIC18LF2420/2520/4420/4520
Standard Operating Conditions (unless otherwise stated)
(Industrial)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
PIC18F2420/2520/4420/4520
Standard Operating Conditions (unless otherwise stated)
(Industrial)
Operating temperature -40°C ≤ TA ≤ +85°C for industrial
Param
Device
No.
Min
Typ
Max
Units
Conditions
(1)
INTOSC Accuracy @ Freq = 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz, 125 kHz, 31 kHz
PIC18LF2420/2520/4420/4520
-2
-5
-2
-5
+/-1
+/-1
+/-1
+/-1
2
5
2
5
%
%
%
%
+25°C
-40°C to +85°C VDD = 2.7-3.3V
+25°C VDD = 4.5-5.5V
-40°C to +85°C VDD = 4.5-5.5V
VDD = 2.7-3.3V
PIC18F2420/2520/4420/4520
INTRC Accuracy @ Freq = 31 kHz
PIC18LF2420/2520/4420/4520 26.562
PIC18F2420/2520/4420/4520 26.562
—
—
35.938
35.938
kHz -40°C to +85°C VDD = 2.7-3.3V
kHz -40°C to +85°C VDD = 4.5-5.5V
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.
© 2008 Microchip Technology Inc.
DS39631E-page 343
MICROCHIP [ MICROCHIP ]
