LUCL8574DP-D AGERE [Agere Systems], LUCL8574DP-D Datasheet - Page 4

• Manufacturer Part Number: LUCL8574DP-D
• Description: L8574D Resistive Subscriber Line Interface Circuit(SLIC), Ring Relay,and Protector(SRP)for Long Loop and TR-57 Applications
• Manufacturer: AGERE [Agere Systems]

L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring
Relay, and Protector (SRP) for Long Loop and TR-57 Applications
Architectural Diagram
Pin Information
4
FGND
V
NSTAT
BF
PRA
PRB
V
NC
CS
CE
B3
B2
B1
B0
DD
AGND
PROTECT
PROTECT
+
–
AX
7
8
9
10
11
12
13
14
15
16
17
V
+5 A
CCA
SW2
50
V
BAT1
18 19 20 21 22 23 24 25 26 27 28
Figure 1. Architectural Diagram
6
V
SW1
50
RING CURRENT
XMT
TIP CURRENT
DRIVER
5
DRIVER
V
BAT1
DRIVER
RELAY
RDO
Figure 2. Pin Layout
4
V
BAT2
CURRENT
LIMITER
DGND V
3
V
+5 A
BAT1
V
+5 A
CLIM
BAT1
2
L8574
+5 D
DD
BATTERY NOISE
CANCELLATION
1
SWITCHHOOK
INTERFACE &
V
DETECTOR
XMT
RECEIVE
44
2
CE CS
NLC
LATCHES, AND LOGIC
43
DATA INTERFACE,
NLC
42
B0
DETECTOR
RING TRIP
CONTROL
41
SWITCH
NRT
RTS
B1
40
B2
39
38
37
36
35
34
33
32
31
30
29
RSW
NRT
B3
SW3
GTO
NC
PTA
NC
V
AGND
V
CLIM
NC
PT
PR
NC
CCA
BAT2
NSTAT
IRCV
RCVN
RGBN
CBN
V
RNG
Lucent Technologies Inc.
October 1998
Data Sheet
12-3330.a (C)r2
12-3383.a (F)