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CF745 数据表(PDF) 88 Page - Microchip Technology

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

CF745 数据表(HTML) 88 Page - Microchip Technology

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PIC16C5X
PIC16C54/55/56/57
DS30453B-page 88
Preliminary
© 1998 Microchip Technology Inc.
FIGURE 12-21: IOL vs. VOL, VDD = 3 V
TABLE 12-2:
INPUT CAPACITANCE FOR
PIC16C54/56
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.
45
40
35
30
25
20
15
10
5
0
0.0
0.5
1.0
1.5
2.0
2.5
VOL (Volts)
Min +85
°C
Max –40
°C
Typ +25
°C
3.0
FIGURE 12-22: IOL vs. VOL, VDD = 5 V
TABLE 12-3:
INPUT CAPACITANCE FOR
PIC16C55/57
Pin
Typical Capacitance (pF)
28L PDIP
(600 mil)
28L SOIC
RA port
5.2
4.8
RB port
5.6
4.7
RC port
5.0
4.1
MCLR
17.0
17.0
OSC1
6.6
3.5
OSC2/CLKOUT
4.6
3.5
T0CKI
4.5
3.5
All capacitance values are typical at 25
°C. A part-to-part
variation of
±25% (three standard deviations) should be
taken into account.
90
80
70
60
50
40
30
20
10
0
0.0
0.5
1.0
1.5
2.0
2.5
VOL (Volts)
Min +85
°C
Max –40
°C
Typ +25
°C
3.0



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