HC5503PRCBZ INTERSIL [Intersil Corporation], HC5503PRCBZ Datasheet - Page 7

• Manufacturer Part Number: HC5503PRCBZ
• Description: Low Cost SLIC For Large Telecom Switches
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Diagram
R
R
S
P
: 100Ω; 1/2W to 2W depending on surge requirements
: 50Ω; 1/2W to 2W depending on surge requirements
2-WIRE
VOLTAGE
LOOP
RING
TIP
RING
V
B
-
V
1/2 RING
B
RELAY
-
PROTECTION
SECONDARY
1/2 RING
RELAY
RING COMMAND
POWER DENIAL
7
R
RING SYNC
P
R
P
RFS
R
R
RING
S
S
PD
TIP
V
RC
RD
BG
RS
RF
TF
B
-
HC5503PRC
SLIC MICROCIRCUIT
CURRENT
BATTERY
CONTROL
LIMITER
LOOP
FEED
RING
RING
TRIP
DRIVERS
LINE
MONITORING
+1
-1
LOOP
+
DIFF
AMP
OP
AMP
+
SHD
TX
OUT
+IN
-IN
RX
SWITCH HOOK
DETECTION
TRANSMIT
OUTPUT
RECEIVE
INPUT