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Part Name
Description
TC820CKW View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
TC820CKW
3-3/4 digit A/D converter with frequency counter and logic probe
Microchip Technology
TC820CKW Datasheet PDF : 28 Pages
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TC820
Package Type
44-Pin PLCC
6 5 4 3 2 1 44 43 42 41 40
BC3P2
7
OFE2
8
39
C
AZ
38
V
BUFF
AGD2
9
BC2P1
10
37
V
IN
+
36
V
IN
-
PKFE1
11
AGD1
12
BP1BT
13
TC820CLW
35
V
REF
-
34
V
REF
+
33
C
REF
-
40-Pin PDIP
BP3
14
BP2
15
BP1
16
32
C
REF
+
Segments L-E4 1
31
COM
Segments AGD4 2
30
V
SS
Segments BC4P3 3
V
DISP
17
29
OR
Segments HFE3 4
18 19 20 21
22
23 24 25
26
27 28
Segments AGD3 5
40 V
DD
39 OSC3
38 OSC2
37 OSC1
36
V
INT
Segments BC3P2 6
Segments OFE2 7
35 C
AZ
34
V
BUFF
44-Pin PQFP
Segments AGD2 8
Segments BC2P1 9
Segments PKFE1 10
Segments AGD1 11
Segments BC1BT 12
33 V
IN
+
32
V
IN
-
TC820CPL
31 V
REF
-
30 V
REF
+
29
C
REF
-
44 43 42 41 40 39 38 37 36 35 34
BC3P2
1
OFE2
2
AGD2
3
BC2P1
4
33
C
AZ
32
V
BUFF
31
V
IN
+
30
V
IN
-
BP3 13
BP2 14
BP1 15
DGND 16
ANNUNC 17
LOGIC 18
28 C
REF
+
27 COM
26 V
SS
25
PKHOLD
24 FREQ/VOLTS
23 BUZIN
PKFE1
5
AGD1
6
BC1BT
7
TC820CKW
29
V
REF
-
28
V
REF
+
27
C
REF
-
RANGE/FREQ 19
DP0/LO 20
22 BUZOUT
21
DP1/HI
BP3
8
BP2
9
26
C
REF
+
25
COM
BP1
10
V
DISP
11
24
V
SS
23
OR
12 13 14 15
16
17 18 19
20
21 22
DS21476B-page 2
©
2002 Microchip Technology Inc.
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