DS250DF810 - DS250DF810 25Gbps 多速率 8 通道重定时器

DS250DF810是TI德州仪器公司的一款重定时器产品，DS250DF810是DS250DF810 25Gbps 多速率 8 通道重定时器，本站介绍了DS250DF810的封装应用图解、特点和优点、功能等，并给出了与DS250DF810相关的TI元器件型号供参考。

DS250DF810 - DS250DF810 25Gbps 多速率 8 通道重定时器 - 重定时器 - 信号调节器 - 德州仪器

产品描述

The DS250DF810 is an eight-channel multi-rate Retimer with integrated signal conditioning. It is used to extend the reach and robustness of long, lossy, crosstalk-impaired high-speed serial links while achieving a bit error rate (BER) of 10-15 or less.

Each channel of the DS250DF810 independently locks to serial data rates in a continuous range from 20.6 Gbps to 25.8 Gbps or to any supported sub-rate (÷2 and ÷4), including key data rates such as 10.3125 Gbps and 12.5 Gbps.

Integrated physical AC coupling capacitors (TX and RX) eliminate the need for external capacitors on the PCB. The DS250DF810 has a single power supply and minimal need for external components. These features reduce PCB routing complexity and BOM cost.

The advanced equalization features of the DS250DF810 include a low-jitter 3-tap transmit finite impulse response (FIR) filter, an adaptive continuous-time linear equalizer (CTLE), and an adaptive decision feedback equalizer (DFE). This enables reach extension for lossy interconnect and backplanes with multiple connectors and crosstalk. The integrated CDR function is ideal for front-port optical module applications to reset the jitter budget and retime the high-speed serial data. The DS250DF810 implements 2x2 cross-point on each channel pair, providing the host with both lane crossing and fanout options.

The DS250DF810 can be configured either via the SMBus or through an external EEPROM. Up to 16 devices can share a single EEPROM. A non-disruptive on-chip eye monitor and a PRBS generator/checker allow for in-system diagnostics.

产品特性

Octal-Channel Multi-Rate Retimer with Integrated Signal Conditioning
All Channels Lock Independently from 20.6 to 25.8 Gbps (Including Sub-Rates Like 10.3125 Gbps, 12.5 Gbps, and More)
Ultra-Low Latency: <500 ps typical for 25.78125 Gbps data rate
Single Power Supply, No Low-Jitter Reference Clock Required, and Integrated AC Coupling Capacitors to Reduce Board Routing Complexity and BOM Cost
Integrated 2×2 Cross Point
Adaptive Continuous Time Linear Equalizer (CTLE)
Adaptive Decision Feedback Equalizer (DFE)
Low-Jitter Transmitter with 3-Tap FIR Filter
Combined Equalization Supporting 35+ dB Channel Loss at 12.9 GHz
Adjustable Transmit Amplitude: 205 mVppd to 1225 mVppd (typical)
On-Chip Eye Opening Monitor (EOM), PRBS Pattern Checker/Generator
Small 8 mm × 13 mm BGA Package with Easy Flow-Through Routing
Unique Pinout Allows Routing High-Speed Signals Underneath the Package
Pin-Compatible Repeater Available

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