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DS250DF230

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25-Gbps enhanced multi-rate 2-channel retimer

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Data sheet

DS250DF230

ACTIVE
Data sheet Order now

Product details

Type Retimer Mux Number of channels (#) 2 Input compatibility AC-coupling, CML Speed (Max) (Gbps) 25.8 Protocols IEEE802.3bj 100GbE Infiniband EDR OIF-CEI-25G-LR/MR/SR/VSR CPRI QSFP28 CFP2/CFP4 CDFP Operating temperature range (C) -40 to 85
Type Retimer Mux Number of channels (#) 2 Input compatibility AC-coupling, CML Speed (Max) (Gbps) 25.8 Protocols IEEE802.3bj 100GbE Infiniband EDR OIF-CEI-25G-LR/MR/SR/VSR CPRI QSFP28 CFP2/CFP4 CDFP Operating temperature range (C) -40 to 85
NFBGA (ZLS) 36 25 mm² 5 x 5 WQFN (RTV) 32 25 mm² 5 x 5
  • Dual-channel multi-rate retimer with integrated signal conditioning
  • All channels lock independently from 19.6 to 25.8 Gbps (including sub-rates, such as 12.16512 Gbps, 9.8304 Gbps, 6.144 Gbps, and more)
  • Ultra-low latency: <500 ps Typical for 25.78125-Gbps data rate
  • Adaptive continuous time linear equalizer (CTLE)
  • Continuous adaptive decision feedback equalizer (DFE), capable of compensating large channel loss variation over temperature
  • Combined equalization supporting 35-dB channel loss at 12.9 GHz
  • On-chip eye-opening monitor (EOM), PRBS pattern checker and generator
  • Low-jitter transmitter with 3-Tap FIR filter
  • Integrated 2×2 cross-point
  • Recovered clock available for system clock synchronization applications on channel 0
  • Single power supply, no low-jitter reference clock required
  • Wide stay-in-lock temperature range
  • Dual-channel multi-rate retimer with integrated signal conditioning
  • All channels lock independently from 19.6 to 25.8 Gbps (including sub-rates, such as 12.16512 Gbps, 9.8304 Gbps, 6.144 Gbps, and more)
  • Ultra-low latency: <500 ps Typical for 25.78125-Gbps data rate
  • Adaptive continuous time linear equalizer (CTLE)
  • Continuous adaptive decision feedback equalizer (DFE), capable of compensating large channel loss variation over temperature
  • Combined equalization supporting 35-dB channel loss at 12.9 GHz
  • On-chip eye-opening monitor (EOM), PRBS pattern checker and generator
  • Low-jitter transmitter with 3-Tap FIR filter
  • Integrated 2×2 cross-point
  • Recovered clock available for system clock synchronization applications on channel 0
  • Single power supply, no low-jitter reference clock required
  • Wide stay-in-lock temperature range

The DS250DF230 is a dual-channel multi-rate retimer with integrated signal conditioning. The device is used to extend the reach and robustness of long, lossy, crosstalk-impaired high-speed serial links and while achieving a bit error rate (BER) of 10–15 or less.

Each channel of the DS250DF230 independently locks to serial data rates in a continuous range from 19.6 Gbps to 25.8 Gbps or to any supported sub-rate (÷2 and ÷4), including key data rates such as 12.16512 Gbps, 9.8304 Gbps, and 6.144 Gbps.

The DS250DF230 is offered in two package options, 36-pin NFBGA and 32-pin QFN, with compact body sizes of 5 × 5 mm. The NFBGA (ZLS) package offers robust performance and ease of design with minimal BOM footprint, while the QFN (RTV) package offers similar performance characteristics with improved thermal performance supporting PCB temperatures up to 105°C without the need for a heat sink.

The DS250DF230 is a dual-channel multi-rate retimer with integrated signal conditioning. The device is used to extend the reach and robustness of long, lossy, crosstalk-impaired high-speed serial links and while achieving a bit error rate (BER) of 10–15 or less.

Each channel of the DS250DF230 independently locks to serial data rates in a continuous range from 19.6 Gbps to 25.8 Gbps or to any supported sub-rate (÷2 and ÷4), including key data rates such as 12.16512 Gbps, 9.8304 Gbps, and 6.144 Gbps.

The DS250DF230 is offered in two package options, 36-pin NFBGA and 32-pin QFN, with compact body sizes of 5 × 5 mm. The NFBGA (ZLS) package offers robust performance and ease of design with minimal BOM footprint, while the QFN (RTV) package offers similar performance characteristics with improved thermal performance supporting PCB temperatures up to 105°C without the need for a heat sink.
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Technical documentation

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* Data sheet DS250DF230 25-Gbps Multi-Rate 2-Channel Retimer datasheet (Rev. C) PDF | HTML 25 Jun 2021
Application note DS250DF230 Design Considerations for RTV (QFN) Package PDF | HTML 23 Mar 2021
Application note Optimal Implementation of 25G-28G Ethernet Retimers versus Redrivers (Rev. A) 07 Jan 2020
EVM User's guide DS250DF230EVM User Guide (Rev. A) 03 Sep 2019

Design & development

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Evaluation board

DS250DF230EVM — 25-Gbps multi-rate 2-channel retimer evaluation module

The DS250DF230EVM allows for easy evaluation of the 25 Gbps retimer DS250DF230. Users are required to supply power and high speed traffic to the EVM via Huber+Suhner 1x8 MXP connectors. Huber+Suhner cables are not included.

Through the onboard USB2ANY connection and EVM software, users can evaluate (...)

User guide: PDF
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Simulation model

DS250DF230 IBIS Model

SNLM215.ZIP (34 KB) - IBIS Model
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Simulation tool

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
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NFBGA (ZLS) 36 View options
WQFN (RTV) 32 View options

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