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EVK-DS40MB200 Datasheet(PDF) 1 Page - Texas Instruments |
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EVK-DS40MB200 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page PRE_S LO_0 ± MUX_S0 SIA_0 ± SIB_0 ± LB0A LB0B SOA_0 ± EQ EQ EQ SOB_0 ± LI_0 ± PRE_S PRE_L PRE_S LO_1 ± MUX_S1 SIA_1 ± SIB_1 ± LB1A LB1B SOA_1 ± EQ EQ EQ SOB_1 ± LI_1 ± PRE_S PRE_L Pre-emphasis Control PreL_0 PreS_1 PreS_0 PreL_1 PRE_S PRE_L VCC GND Port 0 Port 1 RSV Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DS40MB200 SNLS144J – JUNE 2005 – REVISED JANUARY 2016 DS40MB200 Dual 4-Gbps 2:1/1:2 CML MUX/Buffer With Transmit Pre-Emphasis and Receive Equalization 1 Features 3 Description The DS40MB200 device is a dual signal conditioning 1 • 1-Gbps to 4-Gbps Low Jitter Operation 2:1 multiplexer (MUX) and 1:2 fan-out buffer designed • Fixed Input Equalization for use in backplane-redundancy applications. Signal • Programmable Output Pre-Emphasis conditioning features include continuous time linear equalization (CTLE) and programmable output pre- • Independent Switch and Line Side Pre-Emphasis emphasis, extending data communication in FR4 Controls backplanes at rates up to 4 Gbps. Each input stage • Programmable Switch-Side Loopback Mode has a fixed equalizer to reduce intersymbol • On-Chip Terminations interference distortion from board traces. • 3.3-V Supply All output drivers have four selectable steps of pre- • ESD Rating of 6-kV HBM emphasis to compensate for transmission losses from long FR4 backplanes and reduce deterministic jitter. • 48-leadless WQFN Package (7 mm × 7 mm) The pre-emphasis levels can be independently • 0°C to +85°C Operating Temperature Range controlled for the line-side and switch-side drivers. The internal loopback paths from switch-side input to 2 Applications switch-side output enable at-speed system testing. All receiver inputs are internally terminated with 100- Ω • Backplane or Cable Driver differential terminating resistors. All drivers are • Redundancy and Signal Conditioning Applications internally terminated with 50 Ω to VCC. • XAUI Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DS40MB200 WQFN (48) 7.00 mm × 7.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Block Diagram All CML inputs and outputs must be AC coupled for optimal performance. 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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