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Clock Recovery



DATA SHEETS
Part Number Description Key Advantages
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
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

MAX3872 Multirate Clock and Data Recovery with Limiting Amplifier

Multirate CDR with Limiting Amplifier Exceeds All SONET/SDH Jitter Specifications
MAX3873A Low-Power, Compact 2.5Gbps/2.7Gbps Clock-Recovery and Data-Retiming IC

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
MAX3676 622Mbps, 3.3V Clock-Recovery and Data-Retiming IC with Limiting Amplifier

High-Performance, Low-Power 622Mbps CDR



Key Specifications:

Clock and Data Recovery
Part Number Functions Target Oper. Range
(Gbps)
Data Rate
(Mbps)
Data Rate
(Mbps)
Multirate VSUPPLY
(V)
ICC
(mA)
I/O Type Input Sens.
(mV)
Package/Pins Oper. Temp.
(°C)
min max typ
MAX3872  CDR
1 to 4.5
<1
155 2667 Yes 3.3 175 CML -
QFN/32
TQFN/32
-40 to +85
MAX3873A  1 to 4.5 2488 2670 Yes 3.3 79 CML 50
QFN/20
TQFN/20
MAX3676  <1 622 622 No
3.3
5
65 PECL -
TQFP/32
See All Clock and Data Recovery (6)

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
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
LQFP/64
148.8
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
3.3 Yes
LQFP/64
148.8
DS21455  T1/E1/J1 Framer + LIU 4 - 3.3 -
PBGA/256
729
DS21458  T1/E1/J1 Framer + LIU 4 - 3.3 Yes
CSBGA/256
289
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
DS21Q58  E1 Framer + LIU 4 - 3.3 -
LQFP/100
262.4
DS21Q59  E1 Framer + LIU 4 - 3.3 Yes
LQFP/100
262.4
DS21Q50  E1 Framer + LIU 4 - 3.3 -
LQFP/100
262.4
See All T/E Carrier & Packetized Products (99)





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