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TIDA-00234

Dual-channel XAUI to SFI reference design for systems with two or more SFP+ optical ports

Design files

TIDA-00234

Design files

Overview

The TIDA-00234 XAUI to SFI reference design is intended for Enterprise and Service Provider Networking applications like Ethernet Switches and Routers that implement multiple 10G Ethernet compliant Optical (SFP+) ports. This reference design features the TLK10232 device which is the most compact Dual-channel XAUI-to-SFI Transceiver with the lowest power consumption in its category. This reference design allows access to the high-speed signals (up to 10Gbps) generated by the TLK10232 via SMA connectors or an SFP+ Module via the SFP+ optical module cage. Also, featured is the CDCM6208 device that can provide extremely low-jitter Clock input to the TLK10232 in customer systems that do not have one available (or does not meet the jitter requirement of the system).

Features
  • Dual Channel XAUI to SFI reference design which includes SFP+ optical module cage to access high speed signals (up to 10Gbps) 
  • Supports flexible clocking schemes including externally-jitter-cleaned clock recovered from the high-speed side
  • Features TLK10232 which is the only Dual-channel XAUI-to-SFI Transceiver with Crosspoint capability in addition to:
    • Smallest footprint (13x13mm) within its class of devices and
    • Lowest power consumption per channel (800mW Nominal/Ch)
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Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Test report — TIDA-00234
TIDU347.PDF (512 KB)

Test results for the reference design, including efficiency graphs, test prerequisites and more

download Bill of materials (BOM) — TIDA-00234
TIDR624.PDF (63 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Gerber file — TIDA-00234
TIDC426.ZIP (1083 KB)

Design file that contains information on physical board layer of design PCB

download Schematic — TIDA-00234
TIDC427.ZIP (4165 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00234
TIDR623.PDF (411 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Clock buffers

CDCLVP1204 — Low-jitter, two-input, selectable 1:4 universal-to-LVPECL buffer

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TLV702 — 300-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS74401 — 3-A, low-VIN (0.8-V), low-noise, high-PSRR, adjustable ultra-low-dropout voltage regulator

Data sheet: PDF | HTML
Voltage translators

TXB0108 — 8-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15-kV ESD Protect

Data sheet: PDF | HTML
Clock generators

CDCM6208 — 2:8 ultra-low power, low jitter clock generator

Data sheet: PDF | HTML
Other interfaces

TLK10232 — Dual channel XAUI-to-10GBASE-KR backplane transceiver with crosspoint switch

Data sheet: PDF
I2C general-purpose I/Os (GPIOs)

TCA6424 — 24-bit translating 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers

Data sheet: PDF

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Hardware

Evaluation board

TLK10232EVM — TLK10232EVM - Motherboard evaluation module for TLK10232

Motherboard evaluation board for TLK10232 comes with custom-developed GUI and a detailed EVM user guide. This EVM along with the GUI, enable customers to configure the registers of all the channels independently and to debug the device. The user’s guide provides guidance on proper use of the (...)
EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00234 — Dual-channel XAUI to SFI reference design for systems with two or more SFP+ optical ports
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TLK10232EVM — TLK10232EVM - Motherboard evaluation module for TLK10232

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Hardware development
Reference design
TIDA-00234 — Dual-channel XAUI to SFI reference design for systems with two or more SFP+ optical ports
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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* Test report TIDA-00234 Test Results May 12, 2014

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