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Maxim > Solutions > Network Hubs, Switches, and Routers

Clock-Rate Adapters

DATA SHEETS
Display Title/Parts Key Advantages
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




Key Specifications:  Clock Generators
Part Number Applications fIN
(MHz)
fIN
(MHz)
fOUT
(MHz)
fOUT
(MHz)
Fixed or Continuous Frequency Output Levels Out-
puts
PLLs Program-
mability
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
MAX9489 
Ethernet
General Purpose
10 25 25 133.3 15 2 I2C 48
TQFN/32
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
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
148.8
DS26503  T1/E1/J1
1.544
2.048
6.312
See Data Sheet
See Data Sheet/
-
See All T/E Carrier & Packetized Products (102)



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