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

Clock Rate Adapters

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 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 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 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 Quad T1/E1/J1 Transceiver
DS21Q55, DS21Q55N

QV  PDF 3.3V/5V Clock Rate Adapter
DS21600, DS21602, DS21604

QV  PDF Quad E1 Transceiver
DS21Q50

E1 Quad Transceiver Contains All the Functions Necessary for Connecting to Four E1 Lines



Key Specifications:   Clock Generators
Part Number Applications fIN (min) (MHz) fIN (max) (MHz) fOUT (min) (MHz) fOUT (max) (MHz) Fixed or Continuous Frequency Output Levels Number of Outputs Number of PLLs Spread Spectrum Output Jitter (ps RMS) Supply Voltage (V) Package
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 (28)

Key Specifications:   T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Number of Channels Input to Output Clocks (MHz) Supply Voltage (V) EV-Kit Package Smallest Available Package (max w/pins) (mm2)
DS26524  T1/E1/J1
Framer + LIU
4 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes 0/0  - 
DS26528  T1/E1/J1
Framer + LIU
8 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes 0/0  - 
DS26502  64kHz - G.703 II.2 Japanese 6312kHz Clock
64kHz - G.703 II.1 Japanese 64kHz 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 LQFP/64 149
DS26503  T1/E1/J1
BITS Element
1 1.544
2.048
6.312
3.3 Yes LQFP/64 149
DS26401  T1/E1/J1
Framer
8  -  3.3 Yes 0/0  - 
DK2000  ATM
E1
STS-1
T1/E1/J1
T1/J1
T3/E3
 -   -   -  3.3
5
 -  See Data Sheet  - 
DS21448  T1/E1/J1
LIU
4  -  3.3 Yes LQFP/128
TEPBGA/144
289
DS21Q50  E1
Framer + LIU
4  -  3.3  -  LQFP/100 262
DS21600  T1/E1/J1
Clock Rate Adapter
1 1.544 to 2.048 & 6.144
2.048 to 1.544 & 6.176
3.3
5
 -  PDIP(N)/8
SOIC(W)/16
80
DS21602  T1/E1/J1
Clock Rate Adapter
1 1.544 to 2.048 & 8.192
2.048 to 1.544 & 6.176
3.3
5
 -  PDIP(N)/8
SOIC(W)/16
80
DS21604  T1/E1/J1
Clock Rate Adapter
1 1.544 to 4.096 & 8.192
4.096 to 1.544 & 6.176
3.3
5
 -  PDIP(N)/8
SOIC(W)/16
80
See All T/E Carrier & Packetized Products (102)



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