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DS42MB100TSQ Datasheet(PDF) 1 Page - Texas Instruments |
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DS42MB100TSQ Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page DE_S MUX LB1 EQ EQ EQ DE_S DEL _0 VCC GND RSV EQS EQL Line Side Switch Side IN0 +- IN1 +- LB0 OUT0 +- OUT1 +- DE _L DE_S DEL_1 DES_0 DES_1 - IN + OUT+- DE_L Pre-emphasis Control Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DS42MB100 SNLS244H – SEPTEMBER 2006 – REVISED JANUARY 2016 DS42MB100 4.25-Gbps 2:1/1:2 CML MUX/Buffer With Transmit Pre-Emphasis and Receive Equalization 1 Features 3 Description The DS42MB100 device is a signal conditioning 2:1 1 • 2:1 Multiplexer and 1:2 Buffer multiplexer and 1:2 fan-out buffer designed for use in • 0.25-Gbps to 4.25-Gbps Fully Differential Data backplane-redundancy or cable driving applications. Paths Signal conditioning features include continuous time • Fixed Input Equalization linear equalization (CTLE) and programmable output pre-emphasis that enable data communication in FR4 • Programmable Output Pre-Emphasis backplane up to 4.25 Gbps. Each input stage has a • Independent Pre-Emphasis Controls fixed equalizer to reduce ISI distortion from board • Programmable Loopback Modes traces. • On-Chip Terminations All output drivers have four selectable levels of pre- • ESD Rating of 6-kV HBM emphasis to compensate for transmission losses from long FR4 backplane or cable attenuation reducing • 3.3-V Supply deterministic jitter. The pre-emphasis levels can be • Lead-Less WQFN-36 Package independently controlled for the line-side and switch- • –40°C to +85°C Operating Temperature Range side drivers. The internal loopback paths from switch- side input to switch-side output enable at-speed 2 Applications system testing. All receiver inputs are internally terminated with 100- Ω differential terminating • Backplane Drivers or Cable Drivers resistors. All driver outputs are internally terminated • Redundancy and Signal Conditioning Applications with 50- Ω terminating resistors to VCC. • CPRI/OBSAI Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DS42MB100 WQFN (36) 6.00 mm × 6.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Block Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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