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Home » NEWEST Products » New by Manufacturer » Texas Instruments » DS125DF111 Low Power Multi-Rate 2-Channel Retimer - TI
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Texas Instruments DS125DF111 Low Power Multi-Rate 2-Channel Retimer

Texas Instruments DS125DF111 Low Power
Multi-Rate 2-Channel Retimer

Texas Instruments DS125DF111 Low Power Multi-Rate 2-Channel Retimer is a dual channel (1-lane bidirectional) retimer with integrated signal conditioning. The DS125DF111 includes an input Continuous-Time Linear Equalizer (CTLE), clock and data recovery (CDR) and transmit driver on each channel. The DS125DF111 with its on-chip Decision Feedback Equalizer (DFE) can enhance the reach and OD: 600 to 1300 mVp-p robustness of long, lossy, cross-talk-impaired high speed serial links to achieve BER < 1x10-15. For less demanding applications/interconnects, the DFE can be switched off and achieve the same BER Legacy Support performance. The DS125DF111 and DS110DF111 devices are pin-compatible. Each channel of the DS125DF111 independently locks to specific serial data at data rates within the primary range of 9.8 to 12.5 Gbps or to any supported sub-rate of these data rates. Supported datarates can be selected via SMBus using a preprogrammed table or customized as required. This simplifies system design and lowers overall cost.

Features
  • Pin Compatible Retimer Family
    • DS110DF111 with DFE: 8.5 – 11.3GHz
    • DS125DF111 with DFE: 9.8 – 12.5GHz
  • Adaptive CTLE: 33dB max Boost at 6.25GHz
  • Self Tuning 5-Tap DFE
  • Raw Equalized and Retimed Data Loopback
  • Adjustable Transmit VOD: 600 to 1300mVp-p
  • Settable Tx De-Emphasis Driver 0 to -12dB

  • Low Power Consumption: 220mW/Channel
  • Locks to Half/Quarter/Eighth Data Rates for Legacy Support
  • On-Chip Eye Monitor (EOM), PRBS Generator
  • Input Signal Detection, CDR Lock Detection/Indicator
  • Single 3.3V or 2.5V Power Supply
  • SMBus, EEPROM, or Pin Based Configuration
  • 4mm × 4mm, 24-Pin QFN Package
  • Operating Temp Range: –40°C to 85°C
Functional Diagram
Functional Diagram
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