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Maxim > Solutions > Network Hubs, Switches, and Routers

Clock-Rate Adapters

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX3625
MAX3625EVKIT

QV  PDF Low-Jitter, Precision Clock Generator with Three Outputs
MAX3625

0.14ps Jitter Enables Easy System Clocking
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 Multiple-Output Network Clock Generator
MAX9489

Clock Generator Provides Multiple Clock Outputs Ideal for Network Routers
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
DS21Q55, DS21Q55N

QV  PDF 3.3V/5V Clock Rate Adapter
DS21610, DS21610QN, DS21610SN

Telecom Clock Adapters for T1 and E1 Rate Conversion



Key Specifications:   Clock Generators
Part Number Nominal Input Reference (Crystal or CLK) (kHz) Input Reference Range (MHz) Output Frequencies (MHz) Output Type Number of Outputs Number of PLLs Programmability VCXO ± ppm Spread Spectrum Output Jitter (ps) Output Skew (ps) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX3625  25 24.8 to 27 156.25
312.5
LVPECL 3 1 Divider Ratio  -   -  0.14 (RMS) 5 3.0 to 3.6 TSSOP/24 52 0 to +75
MAX9476  8 0.008 35.328 LVCMOS 6 1  -  100 No 4 (RMS)
83 (p-p)
185 3.0 to 3.6 TSSOP/24 52 -40 to +85
MAX9489  25000 10 to 25 125
133.3
25
33.3
50
62.5
66
83
LVCMOS 15 2 I2C  -  No 48 (RMS) 200 3.0 to 3.6 THIN QFN/32 26 -40 to +85
See All Clock Generators (22)

Key Specifications:   T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Number of Channels Input to Output Clocks (MHz) 5V-Tolerant I/O Supply Voltage (V) EV-Kit Package Smallest Available Package (max w/pins) (mm2)
DS26502  64kHz Composite Clock
E1
T1/E1/J1
T1/J1
BITS Element
1 1.544 to 2.048 & 6.144
1.544 to 4.096 & 8.192
Yes 3.3 Yes LQFP/64 149
DS26503  E1
T1/E1/J1
T1/J1
BITS Element
1 1.544 to 2.048 & 6.144
1.544 to 4.096 & 8.192
6.312 & 2.048
Yes 3.3 Yes LQFP/64 149
DS21610  E1
T1/J1
Clock Rate Adapter
1  -  Yes 3.3
5
 -  PLCC/28
SOIC/16
80
DS21Q55  T1/E1/J1
Single Chip Transceiver
4  -  Yes 3.3 Yes BGA/256 289
See All T/E Carrier & Packetized Products (96)





         


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