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Maxim > Solutions > Telecom Switches (PBX and Central Office)

T1/E1/J1 Line Interface Units (LIU)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches
MAX4670

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 Octal T1/E1/J1 Transceiver
DS26528

QV  PDF T1/E1/J1 BITS Element
DS26503

QV  PDF T1/E1/J1/64KCC BITS Element
DS26502

Industry's Only 64kHz Composite-Clock Transceivers
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 Quad T1/E1/J1 Transceiver
DS26524

Low-Power, Low-Cost SCT Pin and Software Compatible with the Octal DS26528 and Makes Migration to Higher Ports Easy, Available in Lead-Free Packages
QV  PDF Octal T1/E1/J1 Framer
DS26401

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 Low-Cost Demo Kit Motherboard
DK101

QV  PDF 3.3V T1/J1 Line Interface Unit
DS21349

QV  PDF T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface
DS2156, DS2156L, DS2156LN

Industry's First T1/E1/J1 Transceiver for ATM Applications
QV  PDF Quad T1/E1/J1 Transceiver
DS21Q55, DS21Q55N

QV  PDF Quad E1 Transceiver
DS21Q50

E1 Quad Transceiver Contains All the Functions Necessary for Connecting to Four E1 Lines
QV  PDF Quad T1/E1 Transceiver (3.3V, 5.0V)
DS21Q352, DS21Q354, DS21Q552, DS21Q554

QV  PDF T1/E1/J1 Single-Chip Transceiver
DS2155

T1/E1/J1 Single-Chip Transceiver Provides Single Application Design for World-Wide Interoperability
QV  PDF 5V E1/T1/J1 Line Interface
DS2148, DS21Q48

QV  PDF 3.3V/5V E1 Single Chip Transceivers (SCT)
DS21354, DS21554

QV  PDF 3.3V DS21352 and 5V DS21552 T1 Single Chip Transceivers
DS21352, DS21552

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 In-to-Out Clocks
(MHz)
VSUPPLY
(V)
EV Kit RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
DS26524  T1/E1/J1 Framer + LIU 4 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes Yes
CSBGA/256
289
DS26528  T1/E1/J1 Framer + LIU 8 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes Yes
CSBGA/256
289
DS26502 
64kHz - G.703 II.1 Japanese 64kHz Clock
64kHz - G.703 II.2 Japanese 6312kHz Clock
64kHz Composite Clock - G.703 Level A
T1/E1/J1
BITS Element 1
0.064
1.544
2.048
6.312
19.44
3.3 Yes No
LQFP/64
149
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
3.3 Yes See Data Sheet
See Data Sheet/
-
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
DS26401  T1/E1/J1 Framer 8 - 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
DS21Q59  E1 Framer + LIU 4 - 3.3 Yes Yes
LQFP/100
262
DS21Q50  E1 Framer + LIU 4 - 3.3 - Yes
LQFP/100
262
DS2156  T1/E1/J1 Framer + LIU 1 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes Yes
CSBGA/100
LQFP/100
100
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
DS21352  T1/J1 Framer + LIU 1 - 3.3 - Yes
CSBGA/100
LQFP/100
100
DS21354  E1 Framer + LIU 1 - 3.3 - Yes
LQFP/100
262
DS2148  T1/E1/J1 LIU 1 - 5 Yes Yes
CSBGA/49
TQFP/44
49
DS2155  T1/E1/J1 Framer + LIU 1 - 3.3 Yes Yes
CSBGA/100
LQFP/100
100
DS21552  T1/J1 Framer + LIU 1 - 5 - Yes
LQFP/100
262
DS21554  E1 Framer + LIU 1 - 5 - Yes
LQFP/100
262
DS21Q352  T1/J1 Framer + LIU 4 - 3.3 - Yes
PBGA/256
729
DS21Q354  E1 Framer + LIU 4 - 3.3 - Yes
PBGA/256
729
DS21Q552  T1/J1 Framer + LIU 4 - 5 - Yes
PBGA/256
729
DS21Q554  E1 Framer + LIU 4 - 5 - Yes
PBGA/256
729
See All T/E Carrier & Packetized Products (102)

Key Specifications:  Switches and Multiplexers (Low Voltage)
Part Number Functions Config. Channels Normal Position VSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
RON
(Ω)
BW
(MHz)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
min max max max min max max max
MAX4670  Switch SPDT 8 Open/Closed 2.7 3.6 9 30 0.01 400 200 8 24 12
See All Switches and Multiplexers (Low Voltage) (160)



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