PIC16C84 datasheet(83/108 Pages) MICROCHIP

83 / 108 page

PIC16C84

DS30445C-page 83

12.0

DC & AC CHARACTERISTICS GRAPHS/TABLES FOR PIC16C84

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 *

*Measured in PDIP 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.

Cext

Rext

Average

Fosc @ 5V, 25

°C

20 pF

3.3k

4.68 MHz

± 27%

5.1k

3.94 MHz

± 25%

10k

2.34 MHz

± 29%

100k

250.16 kHz

± 33%

100 pF

3.3k

1.49 MHz

± 25%

5.1k

1.12 MHz

± 25%

10k

620.31 kHz

± 30%

100k

90.25 kHz

± 26%

300 pF

3.3k

524.24 kHz

± 28%

5.1k

415.52 kHz

± 30%

10k

270.33 kHz

± 26%

100k

25.37 kHz

± 25%

FOSC

FOSC (25

°C)

1.10

1.08

1.06

1.04

1.02

1.00

0.98

0.96

0.94

0.92

0.90

°C)

Frequency Normalized To +25

°C

VDD = 5.5V

VDD = 3.5V

Rext

≥ 10 kΩ

Cext = 100 pF

0.88

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