PIC16F84A datasheet(173/337 Pages) MICROCHIP

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DS30234D-page 173

PIC16C6X

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

17.0

DC AND AC

CHARACTERISTICS GRAPHS

AND TABLES FOR PIC16C61

The graphs and tables provided in this section are for

design guidance and are not tested or guaranteed.

In some graphs or tables the data presented are

outside speciﬁed operating range (i.e., outside

speciﬁed VDD range). This is for information only

and devices are guaranteed to operate properly

only within the speciﬁed range.

Note:

The data presented in this section is a sta-

tistical summary of data collected on units

from different lots over a period of time and

matrix samples. 'Typical' represents the

mean of the distribution while 'max' or 'min'

represents (mean +3

σ) and (mean -3σ)

respectively where

σ is standard deviation.

FIGURE 17-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE

TABLE 17-1:

RC OSCILLATOR FREQUENCIES

The percentage variation indicated here is part to part variation due to normal process distribution. The variation indi-

cated is

±3 standard deviation from average value for VDD = 5V.

Cext

Rext

Average

Fosc @ 5V, 25

°C

20 pF

4.7k

4.52 MHz

± 17.35%

10k

2.47 MHz

± 10.10%

100k

290.86 kHz

± 11.90%

100 pF

3.3k

1.92 MHz

± 9.43%

4.7k

1.48 MHz

± 9.83%

10k

788.77 kHz

± 10.92%

100k

88.11 kHz

± 16.03%

300 pF

3.3k

726.89 kHz

± 10.97%

4.7k

573.95 kHz

± 10.14%

10k

307.31 kHz

± 10.43%

100k

33.82 kHz

± 11.24%

FOSC

FOSC (25

°C)

1.050

1.025

1.00

0.975

0.950

0.925

0.900

0.875

010

T (

°C)

Frequency Normalized TO +25

°C

VDD = 5.5V

VDD = 3.5V

REXT

= 10 kΩ

CEXT = 100 pF

0.850

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