PIC18F2221_1 Datasheet, PDF (355/402 Pages) Microchip Technology – Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2221/2321/4221/4321 FAMILY
TABLE 27-7: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)
Param
No.
Sym
Characteristic
Min
Typ†
Max Units Conditions
F10 FOSC Oscillator Frequency Range
4
—
10 MHz HS mode only
F11
FSYS On-Chip VCO System Frequency
16
—
40 MHz HS mode only
F12
t_rc
PLL Start-up Time (Lock Time)
F13 ΔCLK CLKO Stability (Jitter)
—
—
2
ms
-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 27-8: AC CHARACTERISTICS: INTERNAL RC ACCURACY
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
-40°C ≤ TA ≤ +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, 31 kHz⁽¹⁾
PIC18LF2221/2321/4221/4321 -2 +/-1
2
%
+25°C
VDD = 2.0-5.5V
-5
—
5
% -10°C to +85°C
VDD = 2.0-5.5V
-10 +/-1
10
% -40°C to +85°C
VDD = 2.0-5.5V
PIC18F2221/2321/4221/4321 -2 +/-1
2
%
+25°C
VDD = 4.2-5.5V
-5
—
5
%
-10°C to +85°C
VDD = 4.2-5.5V
-10 +/-1
10
%
-40°C to +85°C
VDD = 4.2-5.5V
INTRC Accuracy @ Freq = 31 kHz
PIC18LF2221/2321/4221/4321 26.562 — 35.938 kHz -40°C to +85°C
VDD = 2.0-5.5V
PIC18F2221/2321/4221/4321 26.562 — 35.938 kHz -40°C to +85°C
VDD = 4.2-5.5V
Note 1: Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.
© 2009 Microchip Technology Inc.
DS39689F-page 355