Microchip Technology ARD00385 Data Sheet
PIC18F87K90 FAMILY
DS39957D-page 526
2009-2011 Microchip Technology Inc.
TABLE 31-7:
PLL CLOCK TIMING SPECIFICATIONS (V
DD
= 1.8V TO 5.5V)
TABLE 31-8:
INTERNAL RC ACCURACY (INTOSC)
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
F10
F
OSC
Oscillator Frequency Range
4
—
5
MHz V
DD
= 1.8-5.5V
4
—
16
MHz V
DD
= 3.0-5.5V,
-40°C to +85°C
4
—
12
MHz V
DD
= 3.0-5.5V,
-40°C to +125°C
F11
F
SYS
On-Chip VCO System Frequency
16
—
20
MHz V
DD
= 1.8-5.5V
16
—
64
MHz V
DD
= 3.0-5.5V,
-40°C to +85°C
16
—
48
MHz V
DD
= 3.0-5.5V,
-40°C to +125°C
F12
t
rc
PLL Start-up Time (Lock Time)
—
—
2
ms
F13
CLK
CLKOUT Stability (Jitter)
-2
—
+2
%
† Data in “Typ” column is at 3V, 25
C unless otherwise stated. These parameters are for design guidance
only and are not tested.
PIC18F87K90 Family
Standard Operating Conditions (unless otherwise stated)
Operating temperature
Operating temperature
-40°C
T
A
+85°C industerial
-40°C
T
A
+125°C extended
Param
No.
Min
Typ
Max
Units
Conditions
OA1
HF-INTOSC Accuracy @ Freq = 16 MHz, 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz
(
)
-2
—
2
%
+25°C
V
DD
= 3.0-5.0V
-5
—
5
%
-40°C to +85°C V
DD
= 3.0-5.0V
-5
—
5
%
-40°C to +85°C V
DD
= 1.8-5.0V
-10
—
10
%
-40°C to +125°C V
DD
= 1.8-5.5V
OA2
LF-INTOSC Accuracy @ Freq = 31 kHz
-15
—
15
%
-40°C to +125°C V
DD
= 1.8-5.0V
Note 1:
Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.