PIC16LC71 datasheet(107/176 Pages) MICROCHIP

107 / 176 page

DS30272A-page 107

PIC16C71X

Applicable Devices

710 71 711 715

FIGURE 12-18: TYPICAL IDD vs.

CAPACITANCE @ 500 kHz

(RC MODE)

TABLE 12-1:

RC OSCILLATOR

FREQUENCIES

Cext

Rext

Average

Fosc @ 5V, 25

°C

22 pF

4.12 MHz

± 1.4%

10k

2.35 MHz

± 1.4%

100k

268 kHz

± 1.1%

100 pF

3.3k

1.80 MHz

± 1.0%

1.27 MHz

± 1.0%

10k

688 kHz

± 1.2%

100k

77.2 kHz

± 1.0%

300 pF

3.3k

707 kHz

± 1.4%

501 kHz

± 1.2%

10k

269 kHz

± 1.6%

100k

28.3 kHz

± 1.1%

The percentage variation indicated here is part to

part variation due to normal process distribution. The

variation indicated is

±3 standard deviation from

average value for VDD = 5V.

Capacitance(pF)

600

500

400

300

200

100

20 pF

100 pF

300 pF

5.0V

4.0V

3.0V

FIGURE 12-19: TRANSCONDUCTANCE(gm)

OF HS OSCILLATOR vs. VDD

FIGURE 12-20: TRANSCONDUCTANCE(gm)

OF LP OSCILLATOR vs. VDD

FIGURE 12-21: TRANSCONDUCTANCE(gm)

OF XT OSCILLATOR vs. VDD

4.0

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

VDD(Volts)

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

Max -40

°C

Typ 25

°C

Min 85

°C

Shaded area is

beyond recommended range

110

100

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

VDD(Volts)

Max -40

°C

Typ 25

°C

Min 85

°C

Shaded areas are

beyond recommended range

1000

900

800

700

600

500

400

300

200

100

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

VDD(Volts)

Max -40

°C

Typ 25

°C

Min 85

°C

Shaded areas are

beyond recommended range

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