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Maxim > Solutions > Network Hubs, Switches, and Routers

T1/E1/J1 Line Interface Units (LIU)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Quad Ethernet Mapper
DS33Z44

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 T1/E1/J1 BITS Element
DS26503

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

Industry's Only 64kHz Composite-Clock Transceivers
QV  PDF Low-Cost Demo Kit Motherboard
DK101

QV  PDF 3.3V T1/J1 Line Interface Unit
DS21349

QV  PDF Quad T1/E1/J1 Transceiver
DS21Q55, DS21Q55N

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 In-to-Out Clocks
(MHz)
VSUPPLY
(V)
EV Kit RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
DS33Z44  Ethernet/Serial TDM Ethernet Mapper 4 - 3.3 Yes Yes
CSBGA/256
TCBGA/256
-
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 No
LQFP/64
148.8
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
3.3 See Data Sheet
See Data Sheet/
-
DS21349  T1/J1 LIU 1 - 3.3 No
PLCC/28
158
DS21348  T1/E1/J1 LIU 1 - 3.3 Yes
CSBGA/49
TQFP/44
49
DS2148  T1/E1/J1 LIU 1 - 5 Yes
CSBGA/49
TQFP/44
49
See All T/E Carrier & Packetized Products (102)



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