PBL 386 11/2
VBAT2
RRLY
1
TS
2
HP
3
RINGX
4
BGND
5
TIPX
6
VBAT
7
VBAT2
8
AOV
9
PSG
10
LP
11
DT
12
28
VTX
27
28
27
AGND
26
RSN
25
DET
24
C1
23
C2
22
C3
21
VCC
20
PLD
19
PLC
18
SPR
LP
5
DT
6
DR
7
VEE
8
REF
9
SPR
10
PLC
11
26
4
3
2
1
RINGX
BGND
VBAT
TIPX
AOV
PSG
25
HP
24
NC*
23
TS
22
RRLY
21
VTX
20
AGND
19
RSN
PLD
12
VCC
13
C3
14
C2
15
C1
16
NC*
17
17
REF
16
VEE
15
DR
13
NC
14
NC
*
Pins must be left open.
Figure 7. Pin configuration 28 pin SSOP and 28 pin PLCC package, top view.
SLIC Operating States
State
0
1
2
3
4
5
6
7
C3
0
0
0
0
1
1
1
1
C2
0
0
1
1
0
0
1
1
C1
0
1
0
1
0
1
0
1
SLIC operating state
Open circuit
Ringing state
Active state
Not applicable
Not applicable
Active state
Active reverse
Active reverse
Active detector
Detector is set high
Ring trip detector (active low)
Loop detector (active low)
-
-
Ground key detector (active high)
Loop detector (active low)
Ground key detector (active high)
Table 1. SLIC operating states.
DET
18
9
ERICSSON [ ERICSSON ]
