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CF745 Fiches technique(PDF) 183 Page - Microchip Technology

No de pièce CF745
Description  EPROM/ROM-Based 8-Bit CMOS Microcontroller Series
PDF  217 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CF745 Fiches technique(HTML) 183 Page - Microchip Technology

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© 1998 Microchip Technology Inc.
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
20
25
30
40
50
60
70
T(
°C)
Frequency normalized to +25
°C
VDD = 5.5 V
VDD = 3.5 V
Rext
≥ 10 kΩ
Cext = 100 pF
0.88



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