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T1/E1/J1 Line Interface Units (LIU)



DATA SHEETS
Part Number Description Key Advantages
MAX4670 Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches

MAX9476 Low-Jitter, 8kHz Reference Clock Synthesizer Outputs 35.328MHz

Clock Generator is Optimized for xDSL CO Line Cards and Telecom Systems Requiring Low-Jitter Clock Outputs
DS26528 Octal T1/E1/J1 Transceiver

DS26503 T1/E1/J1 BITS Element

DS26502 T1/E1/J1/64KCC BITS Element

Industry's Only 64kHz Composite-Clock Transceivers
DS21455, DS21458 Quad T1/E1/J1 Transceivers

Industry's First 4-Port Transceivers to Switch Among All T1, E1, and J1 Standards without External Component Changes
DS26524 Quad T1/E1/J1 Transceiver

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
DS26401 Octal T1/E1/J1 Framer

DS21Q58 E1 Quad Transceiver

DS21Q59 E1 Quad Transceiver

DS21448 3.3V E1/T1/J1 Quad Line Interface

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

DK101 Low-Cost Demo Kit Motherboard

DS21349 3.3V T1/J1 Line Interface Unit

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

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

DS21Q50 Quad E1 Transceiver

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

DS2155 T1/E1/J1 Single-Chip Transceiver

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

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

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

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




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 (34)

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 Yes
LQFP/64
148.8
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
3.3 Yes Yes
LQFP/64
148.8
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
262.4
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
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 See Data Sheet
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
262.4
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
262.4
DS21554  E1 Framer + LIU 1 - 5 - Yes
LQFP/100
262.4
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 (100)

Switches and Multiplexers (Low Voltage)
Part Number Config. Channels Normal Position VSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSIGNAL
(V)
VSIGNAL
(V)
Dynamic Range (max)
(V)
RON
(Ω)
RFLAT(ON) BW
(MHz)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
min max min max max max typ max min max max max
MAX4670  DPDT 4 Open/Closed 2.7 3.6 0 3.6 3.6 9 2 30 0.01 400 200 8 24 12
See All Switches and Multiplexers (Low Voltage) (186)





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