TC7109/A
Package Type
44-Pin PQFP
REF CAP+
REF CAP-
STATUS
STATUS
REF IN+
REF IN-
44-Pin PLCC
REF CAP+
REF IN-
REF CAP-
GND
REF IN+
39 IN HI
38 IN LO
37 COMMON
36 INT
35 AZ
34 NC
33 BUFF
32 REF OUT
31 V-
30 SEND
29 RUN/HOLD
18 19 20 21 22 23 24 25 26 27 28
GND
POL
B
12
POL
OR
B
12
OR
NC
NC
V+
44 43 42 41 40 39 38 37 36 35 34
B
11
1
B
10
2
B
9
3
B
8
4
B
7
B
6
B
5
B
4
5
7
8
9
NC 6
33 IN HI
32 IN LO
31 COMMON
30 INT
B
11
7
B
10
8
B
9
9
B
8
10
B
7
11
NC 12
B
6
13
B
5
14
B
4
15
B
3
16
B
2
17
6
5
4
3
2
1 44 43 42 41 40
TC7109ACKW
TC7109CKW
29 AZ
28 NC
27 BUFF
26 REF OUT
25 V-
24 SEND
23 RUN/HOLD
TC7109ACLW
TC7109CLW
B
3
10
B
2
11
12 13 14 15 16 17 18 19 20 21 22
TEST
V+
OSC OUT
OSC SEL
BUFF
OSC OUT
40-Pin PDIP/CERDIP
GND
STATUS
POL
OR
B
12
B
11
B
10
B
9
B
8
1
2
3
4
5
6
7
8
40 V+
39 REF IN-
38 REF CAP-
37 REF CAP+
36 REF IN+
35 IN HI
34 IN LO
9
B
7
10
B
6
11
B
5
12
B
4
13
B
3
14
B
2
15
B
1
16
TEST 17
LBEN 18
HBEN 19
CE/LOAD 20
TC7109A
TC7109
33 COMMON
32 INT
31 AZ
30 BUFF
29 REF OUT
28 V-
27 SEND
26 RUN/HOLD
25 BUFF OSC OUT
24 OSC SEL
23 OSC OUT
22 OSC IN
21 MODE
NC = No internal connection
DS21456C-page 2
©
2006 Microchip Technology Inc.
OSC OUT
OSC SEL
BUFF
OSC OUT
CE/LOAD
CE/LOAD
OSC IN
OSC IN
MODE
MODE
LBEN
HBEN
HBEN
TEST
LBEN
NC
NC
B
1
B
1