
2004 Microchip Technology Inc.
Preliminary
DS39637A-page 435
PIC18F2480/2580/4480/4580
TABLE 27-7:
PLL CLOCK TIMING SPECIFICATIONS (V
DD
= 4.2V TO 5.5V)
TABLE 27-8:
AC CHARACTERISTICS: INTERNAL RC ACCURACY
PIC18F2480/2580/4480/4580 (INDUSTRIAL)
PIC18LF2480/2580/4480/4580 (INDUSTRIAL)
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
F10
F11
F12
F13
F
OSC
F
SYS
t
rc
CLK
Data in “Typ” column is at 5V, 25
°
C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Oscillator Frequency Range
On-Chip VCO System Frequency
PLL Start-up Time (Lock Time)
CLKO Stability (Jitter)
4
16
—
-2
—
—
—
—
10
40
2
+2
MHz
MHz
ms
%
HS mode only
HS mode only
PIC18LF2480/2580/4480/4580
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C
≤
T
A
≤
+85°C for industrial
PIC18F2480/2580/4480/4580
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C
≤
T
A
≤
+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)
PIC18LF2X80/4X80
-2
+/-1
2
-5
—
5
-10
+/-1
10
PIC18F2X80/4X80
-2
+/-1
2
-5
—
5
-10
+/-1
10
INTRC Accuracy @ Freq = 31 kHz
(2)
PIC18LF2X80/4X80 26.562
—
35.938
PIC18F2X80/4X80 26.562
—
35.938
INTRC Stability
(3)
PIC18LF2X80/4X80
TBD
1
TBD
TBD
1
TBD
All devices
TBD
1
TBD
TBD = To Be Determined. 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 V
DD
changes.
%
%
%
%
%
%
+25°C
V
DD
= 2.7-3.3V
V
DD
= 2.7-3.3V
V
DD
= 2.7-3.3V
V
DD
= 4.5-5.5V
V
DD
= 4.5-5.5V
V
DD
= 4.5-5.5V
-10°C to +85°C
-40°C to +85°C
+25°C
-10°C to +85°C
-40°C to +85°C
kHz
kHz
-40°C to +85°C
-40°C to +85°C
V
DD
= 2.7-3.3V
V
DD
= 4.5-5.5V
F7
F8
F9
Legend:
Note 1:
%
%
%
+25°C
+25°C
+25°C
V
DD
= 2.0V
V
DD
= 3.0V
V
DD
= 5.0V
2:
3: