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82C52 Datasheet, PDF (19/20 Pages) Intersil Corporation – CMOS Serial Controller Interface
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Burn-In Circuits
VCC
Q3
GND
Q4
Q5
Q6
Q7
Q8
Q7
Q8
Q1
Q2
F0
VCC/2
82C52
MD82C52 CERDIP
R1
1
R2
2
R2
3
R2
4
R2
5
R2
6
R2
7
R2
8
R2
9
R2
10
R2
11
R2
12
R2
13
R1
14
28
27
R1
26
R1
25
R1
24
23
R1
22
R1
21
R1
20
R1
19
R1
18
17
16
R1
15
GND
VCC/2
VCC
VCC/2
A
VCC/2
VCC/2
VCC/2
VCC/2
VCC
GND
GND
VCC/2
VCC
C2
VCC
C1
A
R3
MR82C52 CLCC
VCC
C2
Q4 GND Q3
GND
R2 R2 R2 R1
VCC
R1
4 3 2 1 28 27 26
Q5
R2
5
R1
25
Q6
R2
6
R1
24
Q7
R2
7
23
Q8
R2
8
R1
22
Q7
R2
9
R1
21
Q8
R2
10
R1
20
Q1
R2
11
R1
19
12 13 14 15 16 17 18
R2 R2 R1 R1
R1
Q2 F0 VCC/2
NOTES:
1. VCC = 5.5V ±0.5V
GND = 0V
2. VIH = 4.5V ±10%
VIL = -0.2V to +0.4V
3. Component Values:
R1 = 1.2KΩ, 1/4W, 5%
R2 = 47KΩ, 1/4W, 5%
R3 = 10KΩ, 1/4W, 5%
C1 = 1.0µF nominal
C2 = 0.01µF minimum
F0 = 100KHz ±10%, F1 = F0/2, F2 = F1/2 . . . F12 = F11/2
GND VCC
19
VCC
VCC/2
A
VCC/2
VCC/2
VCC/2
VCC
VCC/2
C1
A
R3
FN2950.3
April 26, 2006
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