Datasheet

dsPIC33F
DS70165E-page 318 Preliminary © 2007 Microchip Technology Inc.
TABLE 26-16: PLL CLOCK TIMING SPECIFICATIONS (VDD = 3.0V TO 3.6V)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Symbol Characteristic
(1)
Min Typ
(2)
Max Units Conditions
OS50 F
PLLI PLL Voltage Controlled
Oscillator (VCO) Input
Frequency Range
(2)
0.8 — 8 MHz ECPLL, HSPLL, XTPLL
modes
OS51 FSYS On-Chip VCO System
Frequency
100 — 200 MHz
OS52 T
LOC PLL Start-up Time (Lock Time) TBD 100 TBD μs
OS53 D
CLK CLKO Stability (Jitter) TBD 1 TBD % Measured over 100 ms
period
Legend: TBD = To Be Determined
Note 1: These parameters are characterized but not tested in manufacturing.
2: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only
and are not tested.
TABLE 26-17: AC CHARACTERISTICS: INTERNAL RC ACCURACY
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C
≤ TA ≤ +85°C for industrial
Param
No.
Characteristic Min Typ Max Units Conditions
Internal FRC Accuracy @ 7.3728 MHz
(1)
F20 FRC TBD — TBD % +25°C VDD = 3.0-3.6V
TBD — TBD % -40°C ≤ TA ≤ +85°C VDD = 3.0-3.6V
Legend: TBD = To Be Determined
Note 1: Frequency calibrated at 25°C and 3.3V. TUN bits can be used to compensate for temperature drift.
TABLE 26-18: INTERNAL RC ACCURACY
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Characteristic Min Typ Max Units Conditions
LPRC @ 32.768 kHz
(1)
F21 TBD — TBD % +25°C VDD = 3.0-3.6V
TBD — TBD % -40°C ≤ T
A ≤ +85°C VDD = 3.0-3.6V
Legend: TBD = To Be Determined
Note 1: Change of LPRC frequency as VDD changes.