le79r79 Zarlink Semiconductor, le79r79 Datasheet - Page 5

• Manufacturer Part Number: le79r79
• Description: Ringing Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

CONNECTION DIAGRAMS
Note:
1.
2.
3.
Pin 1 is marked for orientation.
NC = No connect.
The thermally enhanced QFN package features an exposed pad on the underside which must be electrically tied to VBAT1.
Top View
RYOUT1
RYOUT1
VBAT1
B2EN
VBAT1
RYE
B2EN
RYE
D1
C3
C2
DET
E1
D1
E1
C3
C2
1
2
3
4
5
6
7
8
10
11
12
13
32
5
6
7
8
9
9
Zarlink Semiconductor Inc.
31
10
14
4
15
32-pin PLCC
3
30
11
32-pin QFN
EXPOSED PAD
16
2
29
12
5
17
1
28
13
32
18
27
14
31
19
30
20
26
15
29
28
27
26
25
24
23
22
21
25
16
23
21
19
24
22
20
18
17
RTRIP1
RTRIP2
HPB
HPA
RINGIN
RDCR
VTX
VNEG
RSN
RTRIP2
HPB
HPA
RINGIN
RDCR
VTX
VNEG
RSN