PEF 21628

Lantiq™ SOCRATES-4e / 2e / 1e SHDSL System - on - Chip for EFM Application PEF2x628

Topology: Boost
Switching Frequency (min.): 768.00 kHz
Switching Frequency (max.): 8192.00 kHz


The SOCRATES-4e/2e/1e are the members of Lantiq‘s 3rd generation SOCRATES™-family of SHDSL transceivers designed for EFM-(Ethernet First Mile) system applications.Featuring single, dual or four channel variants, the SOCRATES-e family of single-chip solutions is fully compliant with standards of ETSI (SHDSL, SHDSL.bis), ITU (G.shdsl, G.shdls.bis, G.hs, g.998.2/ and IEEE (EFM).Advanced system functionality and outstanding performance as well as optimized board-space and power-saving features provide market unique advantages for system solutions required by carriers and subscribers. Seamless compatibility to Lantiq‘s already deployed SHDSL solutions aswell as the compatibility between all family members ensure simple integration with current as well as future market requirements.


  • Fully integrated one chip system solution for Ethernet, Packets, ATM and TDM transport over 4, 2 or 1 SHDSL channels
  • In compliance with:
  • – ETSI SDSL (ETSI TS 101 524 V 1.2.1)
  • – ETSI SDSL.bis (ETSI TS 101 524 V 1.2.2)
  • – ITU G.shdsl (ITU-T G.991.2)
  • – ITU G.shdls.bis (ITU-T G.991.2 (2004))
  • – ITU G.hs (ITU-T G.994.1)
  • – IEEE EFM (IEEE 802.3-2004)
  • – ITU (g.998.2)
  • Integrated Controller for start up and channel bundling (PAF, M-PAIR)
  • Fully integrated RAM for Complete FW and bonding delay compensation
  • Modes:
  • – STU-C, STU-R, STU-C/R
  • – Analog, digital and remote loop backs
  • SOC-4e/2e/1e are pin and software compatible
  • Prepared for Near End Self-Cross Talk Cancellation with separate FW


  Order Code SPEC Product series L1
(V (AC))
IC-Referenz xDSL Type CO/ CPE Isolierungstyp Bauform L
Montageart Samples
750510623 PDF MID-DSLITL xDSL Transformers for use with Intel® chipsets 3.07 1875 Socrates SHDSL CO & CPE Functional EPX9 10.16 10.16 12.7 SMT

Other applications and Würth Elektronik products for this IC

  • PEF 21628
    Topology: Other, Switching Frequency (min.): 768.00 kHz, Switching Frequency (max.): 8192.00 kHz