Datasheet

 2010 Microchip Technology Inc. DS39616D-page 347
PIC18F2331/2431/4331/4431
TABLE 26-5: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
F10 F
OSC Oscillator Frequency Range 4 — 10 MHz HS mode only
F11 F
SYS On-Chip VCO System Frequency 16 — 40 MHz HS mode only
F12 T
PLL PLL Start-up Time (Lock Time) — — 2 ms
F13 CLK CLKO Stability (Jitter) -2 — +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 26-6: INTERNAL RC ACCURACY
PIC18LF2331/2431/4331/4431
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for industrial
PIC18F2331/2431/4331/4431
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for industrial
-40°C  T
A  +125°C for extended
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)
F2 PIC18LF2331/2431/4331/4431 -15 +/-5 +15 % 25°C VDD = 3.0V
F3 All devices -15 +/-5 +15 % 25°C V
DD = 5.0V
INTRC Accuracy @ Freq = 31 kHz
(2)
F5 PIC18LF2331/2431/4331/4431 26.562 — 35.938 kHz 25°C VDD = 3.0V
F6 All devices 26.562 — 35.938 kHz 25°C V
DD = 5.0V
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.
2: INTRC frequency after calibration.