Datasheet

TC7129
DS21459E-page 2  2002-2012 Microchip Technology Inc.
Package Types
33
34
35
36
37
38
39
13
10
9
8
7
18 19 20 21 23 24
6543 1442
22
43 42 41 40
25 26 27 28
3214
3115
3016
2917
11
12
TC7129CLW
F
1
, E
1
, DP
1
B
2
, C
2
, BATT
A
2
, G
2
, D
2
F
2
, E
2
, DP
2
B
3
, C
3
,
MINUS
A
3
, G
3
, D
3
F
3
, E
3
, DP
3
B
4
, C
4
,
BC
5
A
4
, G
4
, D
4
F
4
, E
4
, DP
4
NC
REF LO
REF HI
IN HI
IN LO
BUFF
C
REF
-
C
REF
+
COMMON
CONTINUITY
INT OUT
NC
A
1
, G
1
, D
1
B
1
, C
1
, CONT
ANNUNCIATOR OSC3 OSC1 NC OSC2 DP
1
DP
2
RANGE DGND
BP
3
BP
2
BP
1
V
DISP
DP
4
/OR
NC
DP
3
/UR
LATCH/HOLD
V+
V-
INT IN
27
28
29
30
31
32
33
7
4
3
2
1
TC7129CKW
12 13 14 15 17 18
44 43 42 41 39 3840
16
37 36 35 34
19 20 21 22
26
8
25
9
24
10
23
11
5
6
A
1
, G
1
, D
1
B
1
, C
1
, CONT
ANNUNCIATOR OSC3 OSC1 NC OSC2 DP
1
DP
2
RANGE DGND
REF LO
REF HI
IN HI
IN LO
BUFF
C
REF
-
C
REF
+
COMMON
CONTINUITY
INT OUT
NC
F
1
, E
1
, DP
1
B
2
, C
2
, BATT
A
2
, G
2
, D
2
F
2
, E
2
, DP
2
B
3
, C
3
,
MINUS
A
3
, G
3
, D
3
F
3
, E
3
, DP
3
B
4
, C
4
,
BC
5
A
4
, G
4
, D
4
F
4
, E
4
, DP
4
NC
BP
3
BP
2
BP
1
V
DISP
DP
4
/OR
NC
DP
3
/UR
LATCH/HOLD
V+
V-
INT IN
TC7129CPL
40-Pin PDIP
44-Pin QFP 44-Pin PLCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
OSC2
DP
1
DP
2
RANGE
DGND
REF LO
REF HI
IN HI
IN LO
BUFF
C
REF
-
C
REF
+
COMMON
CONTINUITY
INT OUT
INT IN
V+
V-
DP
3
/UR
OSC1
OSC3
ANNUNICATOR
B
1
, C
1
, CONT
A
1
, G
1
, D
1
F
1
, E
1
, DP
1
B
2
, C
2
, LO BATT
A
2
, G
2
, D
2
F
2
, E
2
, DP
2
B
3
, C
3
,
MINUS
A
3
, G
3
, D
3
F
3
, E
3
, DP
3
B
4
, C
4
,
BC
5
A
4
, G
4
, D
4
F
4
, E
4
, DP
4
BP
3
BP
2
BP
1
V
DISP
DP
4
/OR
Display
Output
Lines
LATCH/HOLD