Designtool
DS280MB810
28-Gbps-8-Kanal-Redriver mit Crosspoint und geringem Stromverbrauch
Datenblatt
DS280MB810
- Octal-Channel Multi-Protocol Linear Equalizer Supporting up to 28 Gbaud NRZ Interfaces
- Integrated 2x2 Cross-point 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 Cross-point Available
- Single 2.5-V ±5% Power Supply
- –40°C to +85°C Operating Temperature Range
The DS280MB810 is an extremely low-power, high-performance eight-channel linear equalizer supporting multi-rate, multi-protocol interfaces up to 28 Gbaud NRZ. 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 cross-point 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 cross-point 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 pulse amplitude modulation (PAM), or NRZ, 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.
Special note
To request IBIS AMI models, and device GUI profile: Request DS280MB810
Technische Dokumentation
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Alle anzeigen 3 | Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | DS280MB810 Low Power 28 Gbps 8 Channel Linear Repeater with Cross-point datasheet (Rev. C) | PDF | HTML | 13 Okt 2020 |
| Application note | Optimal Implementation of 25G-28G Ethernet Retimers versus Redrivers (Rev. B) | PDF | HTML | 01 Mai 2023 | |
| More literature | Advanced Signal Conditioning Made Easy and Efficient | 12 Jan 2017 |
Design und Entwicklung
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Evaluierungsplatine
DS280MB810EVM — DS280MB810 28-Gbps-8-Kanal-Linear-Repeater mit Crosspoint – Evaluierungsmodul
The DS280MB810EVM allows for easy evaluation of the DS280MB810 28 Gbps 8-channel linear repeater with crosspoint. To use this EVM, supply power (2.5V or 3.3V) via standard banana connectors and high-speed traffic via Huber+Suhner 1x8 MXP connectors. Huber+Suhner cable assemblies are not included.
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Benutzerhandbuch: PDF
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Referenzdesigns
TIDA-00427 — Referenzdesign eines QSFP28-Signalumformers mit 2 Anschlüssen für 100-/40-/10-Gigabit-Ethernet
This verified reference design is a signal conditioning solution for front-port QSFP28 supporting two 100GbE ports compatible with 100G-CR4/SR4/LR4, 40G-CR4/SR4/LR4 and 10G SFF-8431 requirements. The design is applicable to optical and passive/active copper cables. It allows for reach extension (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| NFBGA (ZBL) | 135 | Ultra Librarian |
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