PIC16LC67-04I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC67-04I/SO

8-Bit CMOS Microcontrollers

Microchip Technology 

PIC16C6X

Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67

FIGURE 24-22: TYPICAL XTAL STARTUP

TIME vs. VDD (LP MODE, 25°C)

FIGURE 24-24: TYPICAL XTAL STARTUP

TIME vs. VDD (XT MODE, 25°C)

3.5

3.0

2.5

2.0

32 kHz, 33 pF/33 pF

1.5

1.0

0.5

200 kHz, 15 pF/15 pF

0.0

2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0

VDD(Volts)

70

60

50

40

200 kHz, 68 pF/68 pF

30

200 kHz, 47 pF/47 pF

20

1 MHz, 15 pF/15 pF

10

4 MHz, 15 pF/15 pF

0

2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0

VDD(Volts)

FIGURE 24-23: TYPICAL XTAL STARTUP

TIME vs. VDD (HS MODE,

25°C)

TABLE 24-2: CAPACITOR SELECTION

FOR CRYSTAL

OSCILLATORS

7

6

5

20 MHz, 33 pF/33 pF

4

8 MHz, 33 pF/33 pF

3

20 MHz, 15 pF/15 pF

2

8 MHz, 15 pF/15 pF

1

4.0

4.5

5.0

5.5

6.0

VDD(Volts)

Osc Type

LP

XT

HS

Crystal

Freq

32 kHz

200 kHz

200 kHz

1 MHz

4 MHz

4 MHz

8 MHz

20 MHz

Cap. Range

C1

33 pF

15 pF

47-68 pF

15 pF

15 pF

15 pF

15-33 pF

15-33 pF

Cap. Range

C2

33 pF

15 pF

47-68 pF

15 pF

15 pF

15 pF

15-33 pF

15-33 pF

Crystals

Used

32 kHz

200 kHz

1 MHz

4 MHz

8 MHz

20 MHz

Epson C-001R32.768K-A

STD XTL 200.000KHz

ECS ECS-10-13-1

ECS ECS-40-20-1

EPSON CA-301 8.000M-C

EPSON CA-301 20.000M-C

± 20 PPM

± 20 PPM

± 50 PPM

± 50 PPM

± 30 PPM

± 30 PPM

DS30234D-page 288

© 1997 Microchip Technology Inc.

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