le79231 Zarlink Semiconductor, le79231 Datasheet - Page 8

• Manufacturer Part Number: le79231
• Description: Intelligent Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

CONNECTION DIAGRAMS
Notes:
1.
2.
3.
Pin 1 is marked for orientation.
RSVD = Reserved. Do not connect to this pin.
The thermally enhanced QFN package features an exposed pad on the underside which must be electrically tied to VBH.
TMN
TMS
TMP
RYE
R1
R2
R3
P1
TMS
TMP
TMN
RYE
R1
R2
R3
P1
P2
1
2
3
4
5
6
7
8
32
10
11
12
13
9
5
6
7
8
9
Figure 2. Le79231QC
10
Zarlink Semiconductor Inc.
Figure 1. Le79231JC
31
14
4
15
32-Pin PLCC
3
30
11
32-Pin QFN
Exposed Pad
16
2
29
12
17
8
1
28
13
32
18
27
14
31
19
30
20
26
15
25
16
29
28
27
26
25
24
23
22
21
24
23
22
21
20
19
18
17
SB
SA
IMT
ILG
CREF
RSVD
HPB
HPA
VTX
SA
IMT
ILG
CREF
RSVD
HPB
HPA
VTX