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CF745 数据表(PDF) 191 Page - Microchip Technology

部件名 CF745
功能描述  EPROM/ROM-Based 8-Bit CMOS Microcontroller Series
PDF  217 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

CF745 数据表(HTML) 191 Page - Microchip Technology

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© 1998 Microchip Technology Inc.
Preliminary
DS30453B-page 191
PIC16C54B/C54C/CR54B/CR54C/C55A/C56A/CR56A/C57C/CR57C/C58
FIGURE 20-14: WDT TIMER TIME-OUT
PERIOD vs. VDD
50
45
40
35
30
25
20
15
10
5
23456
7
VDD (Volts)
Typ +125
°C
Typ +85
°C
Typ +25
°C
Typ –40
°C
TABLE 20-2:
INPUT CAPACITANCE FOR
PIC16C54s/C56s/C58s
Pin
Typical Capacitance (pF)
18L PDIP
18L SOIC
RA port
5.0
4.3
RB port
5.0
4.3
MCLR
17.0
17.0
OSC1
4.0
3.5
OSC2/CLKOUT
4.3
3.5
T0CKI
3.2
2.8
All capacitance values are typical at 25
°C. A part-to-part
variation of
±25% (three standard deviations) should be
taken into account.



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