Herramienta de diseño
DS250DF210
Retemporizador multifrecuencia de 2 canales y 25 Gbps
Hoja de datos
DS250DF210
- Dual-channel multi-rate retimer with integrated signal conditioning
- All channels lock independently from 20.6 to 25.8 Gbps (including sub-rates such as 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 minimal supply decoupling to reduce board routing complexity and BOM cost
- Adaptive Continuous Time Linear Equalizer (CTLE)
- Adaptive Decision Feedback Equalizer (DFE)
- Integrated 2 x 2 cross point
- 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 and generator
- Small 6-mm × 6-mm BGA package with easy flow-through routing
The DS250DF210 device is a two-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 DS250DF210 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, which allows the DS250DF210 to support individual lane Forward Error Correction (FEC) pass-through.
The DS250DF210 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 DS250DF210 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 DS250DF210 implements a 2x2 cross-point, providing the host with lane crossing, fanout, and multiplexing options
The DS250DF210 can be configured either through the SMBus or through an external EEPROM. Up to 16 devices can share a single EEPROM using Common Channel format. A non-disruptive, on-chip eye monitor and a PRBS generator or checker allow for in-system diagnostics.
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Documentación técnica
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Ver todo 2 | Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | DS250DF210 25-Gbps Multi-Rate 2-Channel Retimer datasheet (Rev. B) | PDF | HTML | 24 oct 2019 |
| Application note | Optimal Implementation of 25G-28G Ethernet Retimers versus Redrivers (Rev. B) | PDF | HTML | 01 may 2023 |
Diseño y desarrollo
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Placa de evaluación
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Guía del usuario: PDF
Herramienta de simulación
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Herramienta de simulación
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Guía del usuario: PDF
| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| FCCSP (ABM) | 101 | Ultra Librarian |
Pedidos y calidad
Información incluida:
- RoHS
- REACH
- Marcado del dispositivo
- Acabado de plomo/material de la bola
- Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
- Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
- Contenido del material
- Resumen de calificaciones
- Monitoreo continuo de confiabilidad
Información incluida:
- Lugar de fabricación
- Lugar de ensamblaje
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