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DS280MB810 Datasheet(PDF) 1 Page - Texas Instruments |
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DS280MB810 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page VDD RX6P RX6N ADDR0 ADDR1 SDC (1) READ_EN_N ALL_DONE_N SDA (1) TX6P TX6N . . . . . . GND . . . (1) SMBus signals need to be pulled up elsewhere in the system. Float for SMBus Slave mode, or connect to next GHYLFH¶V 5($'_EN_N for SMBus Master mode VDD 1 F (2x) 0.1 F (4x) SMBus Slave mode SMBus Slave mode 2.5V . . . EN_SMB Address straps (pull-up, pull-down, or float) 1 NŸ To system SMBus RX7P RX7N TX7P TX7N X RX0P RX0N TX0P TX0N RX1P RX1N TX1P TX1N X . . . Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. DS280MB810 SNLS522 – SEPTEMBER 2016 DS280MB810 Low Power 28 Gbps 8 Channel Linear Repeater with Crosspoint 1 1 Features 1 • Octal-Channel Multi-Protocol Linear Equalizer Supporting up to 28 Gbaud Interfaces • Integrated 2x2 Crosspoint with Pin or Register Control for Mux, Fanout, and Signal Crossing Applications • Low Power Consumption: 93 mW / Channel (Typical) • No Heat Sink Required • Linear Equalization for Seamless Support of Link Training, Auto-Negotiation, and FEC Pass- Through • Extends Channel Reach by 17dB+ Beyond Normal ASIC-to-ASIC Capability at 14 GHz • Ultra-Low Latency: 100 ps (Typical) • Low Additive Random Jitter • Small 8 mm x 13 mm BGA Package with Integrated RX AC Coupling Capacitors for Easy Flow-Through Routing • Unique Pinout Allows Routing High-Speed Signals Underneath the Package • Pin-Compatible Retimer with Crosspoint Available • Single 2.5-V ±5% Power Supply • –40°C to +85°C Operating Temperature Range 2 Applications • Backplane/Mid-Plane Signal Distribution Plus Equalization • Mux/De-Mux for Failover Redundancy • Front-Port Eye Opener Plus Signal Distribution for Switching Between Ports 3 Description The DS280MB810 is an extremely low-power, high- performance eight-channel linear equalizer supporting multi-rate, multi-protocol interfaces up to 28 Gbaud. It is used to extend the reach and improve the robustness of high-speed serial links for backplane, front-port, and chip-to-chip applications. The DS280MB810 includes a full 2x2 crosspoint switch between each pair of adjacent channels which enables 2-to-1 multiplexing and 1-to-2 de-multiplexing applications for failover redundancy, as well as signal cross-over to aid PCB routing. The crosspoint can be controlled through pins or the SMBus register interface. The linear nature of the DS280MB810’s equalization preserves the transmit signal characteristics, thereby allowing the host and link partner ASICs to freely negotiate transmit equalizer coefficients (100G- CR4/KR4). This transparency to the link training protocol facilitates system-level interoperability with minimal effect on the latency. The DS280MB810 supports two-level and four-level pulse amplitude modulation (PAM) for symbol rates up to 28 Gbaud and peak signal amplitude within the linear operating range. Each channel operates independently, and every channel can be configured uniquely. In most application scenarios, the same configuration can be used regardless of data rate. The DS280MB810's small package dimensions, optimized high-speed signal escape, and the pin- compatible Retimer portfolio make the DS280MB810 ideal for high-density backplane applications. Simplified equalization control, low power consumption, and ultra-low additive jitter make it suitable for front-port interfaces such as 100G- SR4/LR4/CR4. The small 8-mm x 13-mm footprint easily fits behind numerous standard front-port connectors like QSFP, SFP, CFP, and CDFP without the need for a heat sink. Device Information (1) PART NUMBER PACKAGE BODY SIZE (NOM) DS280MB810 nFBGA(135) 8.0 mm x 13.0 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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