PIC16F84A datasheet(97/124 Pages) MICROCHIP

97 / 124 page

PIC16F8X

DS30430C-page 97

12.0

DC & AC CHARACTERISTICS GRAPHS/TABLES

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.

The data presented in this section is a statistical summary of data collected on units from different lots over a period

of time and matrix samples. 'Typical' represents the mean of the distribution at 25

°C, while 'max' or 'min' represents

(mean + 3

σ) and (mean - 3σ) respectively, where σ is standard deviation.

FIGURE 12-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE

TABLE 12-1

RC OSCILLATOR FREQUENCIES*

Cext

Rext

Average

Fosc @ 5V, 25

°C

Part to Part Variation

20 pF

5 k

4.61 MHz

± 25%

10 k

2.66 MHz

± 24%

100 k

311 kHz

± 39%

100 pF

5 k

1.34 MHz

± 21%

10 k

756 kHz

± 18%

100 k

82.8 kHz

± 28%

300 pF

5 k

428 kHz

± 13%

10 k

243 kHz

± 13%

100 k

26.2 kHz

± 23%

* Measured on DIP packages. 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 full VDD range.

FOSC

FOSC (25

°C)

1.20

1.16

1.12

1.08

1.04

1.00

0.96

0.92

0.88

0.84

-40

-20

100

°C)

Frequency normalized to +25

°C

VDD = 5.5 V

VDD = 3.5 V

Rext

= 10 kΩ

Cext = 100 pF

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