le75282 Zarlink Semiconductor, le75282 Datasheet - Page 16

• Manufacturer Part Number: le75282
• Description: Dual Intelligent Line Card Access Switch
• Manufacturer: Zarlink Semiconductor

A
B
A
B
1
1
2
2
Fuse
Fuse
Fuse
Fuse
Secondary
Secondary
Protection
Protection
8, 26
37
38
36
34
30
33
41
40
42
44
4
1
BRINGING
BRINGING
ARINGING
ARINGING
BTEST
ATEST
BTEST
ATEST
ALINE
BLINE
ALINE
BLINE
VBH
Figure 6. Le75282 Device Application, Idle/Talk State Shown
1
1
2
2
1
2
2
1
1
2
SW3
SW4
1
SW3
SW4
2
Ringing
Ringing
Access
Return
1
1
2
2
Access
Access
SW5
SW2
SW6
SW5
SW1
SW6
Test
SW1
SW2
Test
Zarlink Semiconductor Inc.
1
Break
1
2
2
2
2
Break
1
1
16
Dual LCAS
Control
Switch
Le75282
Logic
Monitor
Battery
24
RD1
RD1
RD2
RD3
RD2
RD3
1
2
1
1
2
2
Latch
11, 23
9, 25
ASLIC
FGND
BSLIC
ASLIC
FGND
BSLIC
TSD
TSD
LD
LD
P1'
P2'
P3'
OFF
OFF
1
2
1
2
1
2
1
1
2
2
1
2
14
15
16
17
18
28
19
20
21
27
22
13
12
6
7
Dual SLIC
Le79232