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Maxim > Solutions > Transport Nodes, Access Nodes, Add/Drop Multiplexers, and Digital Cross-Connects

T1/E1/J1 Line Interface Units (LIU)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Low-Jitter, 8kHz Reference Clock Synthesizer Outputs 35.328MHz
MAX9476

Clock Generator is Optimized for xDSL CO Line Cards and Telecom Systems Requiring Low-Jitter Clock Outputs
QV  PDF Quad T1/E1/J1 Transceivers
DS21455, DS21458

Industry's First 4-Port Transceivers to Switch Among All T1, E1, and J1 Standards without External Component Changes
QV  PDF E1 Quad Transceiver
DS21Q58

QV  PDF E1 Quad Transceiver
DS21Q59

QV  PDF 3.3V E1/T1/J1 Quad Line Interface
DS21448

3.3V E1/T1/J1 Quad Line Interface Unit for Short-Haul and Long-Haul Applications
QV  PDF High-Performance Demo Kit Motherboard
DK2000

QV  PDF 3.3V T1/J1 Line Interface Unit
DS21349

QV  PDF Quad E1 Transceiver
DS21Q50

E1 Quad Transceiver Contains All the Functions Necessary for Connecting to Four E1 Lines
QV  PDF 5V E1/T1/J1 Line Interface
DS2148, DS21Q48

QV  PDF 3.3V E1/T1/J1 Line Interface
DS21348, DS21Q348




Key Specifications:  Clock Generators
Part Number Applications fIN
(MHz)
fIN
(MHz)
fOUT
(MHz)
fOUT
(MHz)
Fixed or Continuous Frequency Output Levels Out-
puts
PLLs Spread Spectrum Output Jitter
(ps)
VSUPPLY
(V)
Package/Pins
min max min max RMS
MAX9476 
T1/E1
T3/E3
xDSL
0.008 0.008 35.328 35.328 Fixed LVCMOS 6 1 No 4 3.3
TSSOP/24
See All Clock Generators (27)

Key Specifications:  T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Channels VSUPPLY
(V)
EV Kit RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
DS21455  T1/E1/J1 Framer + LIU 4 3.3 - Yes
PBGA/256
729
DS21458  T1/E1/J1 Framer + LIU 4 3.3 Yes Yes
CSBGA/256
289
DK2000 
ATM
E1
STS-1
T1/E1/J1
T1/J1
T3/E3
- -
3.3
5
- Yes
See Data Sheet/
-
DS21448  T1/E1/J1 LIU 4 3.3 Yes Yes
LQFP/128
TEPBGA/144
289
DS21Q58  E1 Framer + LIU 4 3.3 - Yes
LQFP/100
262.4
DS21Q59  E1 Framer + LIU 4 3.3 Yes Yes
LQFP/100
262.4
DS21Q50  E1 Framer + LIU 4 3.3 - Yes
LQFP/100
262.4
DS21349  T1/J1 LIU 1 3.3 Yes No
PLCC/28
158
DS21348  T1/E1/J1 LIU 1 3.3 Yes Yes
CSBGA/49
TQFP/44
49
DS2148  T1/E1/J1 LIU 1 5 Yes Yes
CSBGA/49
TQFP/44
49
See All T/E Carrier & Packetized Products (102)



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