48GA004 datasheet(243/268 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS39881D-page 243

PIC24FJ64GA004 FAMILY

TABLE 27-14: PLL CLOCK TIMING SPECIFICATIONS (VDD = 2.0V TO 3.6V)

AC CHARACTERISTICS

Standard Operating Conditions: 2.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

-40°C

 TA  +125°C for Extended

Param

No.

Sym

Characteristic(1)

Min

Typ(2)

Max

Units

Conditions

OS50

FPLLI

PLL Input Frequency

Range

—

MHz

ECPLL, HSPLL, XTPLL

modes, -40°C

 TA  +85°C

ECPLL, HSPLL, XTPLL

modes, -40°C

 TA  +125°C

OS51

FSYS

PLL Output Frequency

Range

—

MHz

-40°C

 TA  +85°C

-40°C

 TA  +125°C

OS52

TLOCK PLL Start-up Time

(Lock Time)

——

OS53

DCLK

CLKO Stability (Jitter)

-2

Measured over 100 ms period

Note 1:

These parameters are characterized but not tested in manufacturing.

Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only

and are not tested.

TABLE 27-15: AC CHARACTERISTICS: INTERNAL RC ACCURACY

AC CHARACTERISTICS

Standard Operating Conditions: 2.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

-40°C

 TA  +125°C for Extended

Param

No.

Characteristic

Min

Typ

Max

Units

Conditions

Internal FRC Accuracy @ 8 MHz(1)

F20

FRC

-2

—

25°C

3.0V

 VDD  3.6V

-5

—

-40°C

 TA +125°C

Note 1:

Frequency calibrated at 25°C and 3.3V. OSCTUN bits can be used to compensate for temperature drift.

TABLE 27-16: INTERNAL RC ACCURACY

AC CHARACTERISTICS

Standard Operating Conditions: 2.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

-40°C

 TA  +125°C for Extended

Param

No.

Characteristic

Min

Typ

Max

Units

Conditions

LPRC @ 31 kHz(1)

F21

-15

—

25°C

3.0V

 VDD  3.6V

-15

—

-40°C

 TA +85°C

-20

—

125°C

Note 1:

Change of LPRC frequency as VDD changes.

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