CF745 datasheet(183/217 Pages) MICROCHIP

tên linh kiện	CF745

Giải thích chi tiết về linh kiện	EPROM/ROM-Based 8-Bit CMOS Microcontroller Series

PDF	217 Pages

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183 / 217 page

Preliminary

DS30453B-page 183

PIC16C54B/C54C/CR54B/CR54C/C55A/C56A/CR56A/C57C/CR57C/C58

20.0

DC AND AC CHARACTERISTICS -

PIC16C54B/C54C/CR54B/CR54C/C55A/C56A/CR56A/C57C

/CR57C/C58B/CR58B

The graphs and tables provided in this section are for design guidance and are not tested. In some graphs or tables the

data presented are outside speciﬁed operating range (e.g., outside speciﬁed VDD range). This is for information only

and devices will 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. “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 20-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE

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

010

°C)

Frequency normalized to +25

°C

VDD = 5.5 V

VDD = 3.5 V

Rext

≥ 10 kΩ

Cext = 100 pF

0.88

CF745 bảng dữ liệu(PDF) 183 Page - Microchip Technology