Information

© 2008 Microchip Technology Inc. DS39646C-page 399
PIC18F8722 FAMILY
TABLE 28-7: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)
TABLE 28-8: AC CHARACTERISTICS:INTERNAL RC ACCURACY
PIC18F6X27/6X22/8X27/8X22 (INDUSTRIAL, EXTENDED)
PIC18LF6X27/6X22/8X27/8X22 (INDUSTRIAL)
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
rc
PLL Start-up Time (Lock Time) — — 2 ms
F13 ΔCLK 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.
PIC18LF6X27/6X22/8X27/8X22
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for industrial
PIC18F6X27/6X22/8X27/8X22
(Industrial, Extended)
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)
PIC18LF6X27/6X22/8X27/8X22 -2 +/-1 2 % +25°C VDD = 2.7-3.3V
-5 +/-1 5 % -40°C to +85°C V
DD = 2.7-3.3V
PIC18F6X27/6X22/8X27/8X22 -2 +/-1 2 % +25°C VDD = 4.5-5.5V
-5 +/-1 5 % -40°C to +85°C VDD = 4.5-5.5V
INTRC Accuracy @ Freq = 31 kHz
PIC18LF6X27/6X22/8X27/8X22 26.562 — 35.938 kHz -40°C to +85°C V
DD = 2.7-3.3V
PIC18F6X27/6X22/8X27/8X22 26.562 +/-8 35.938 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.