SNLS542C
October 2016 – December 2020
DS280MB810
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements – Serial Management Bus Interface
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Device Data Path Operation
8.3.2
AC-coupled Receiver Inputs
8.3.3
Signal Detect
8.3.4
2-Stage CTLE
8.3.5
Driver DC Gain Control
8.3.6
2x2 Cross-point Switch
8.3.7
Configurable SMBus Address
8.4
Device Functional Modes
8.4.1
SMBus Slave Mode Configuration
8.4.2
SMBus Master Mode Configuration (EEPROM Self Load)
8.5
Programming
8.5.1
Transfer of Data with the SMBus Interface
8.6
Register Maps
8.6.1
Register Types: Global, Shared, and Channel
8.6.2
Global Registers: Channel Selection and ID Information
8.6.3
Shared Registers
8.6.4
Channel Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Backplane and Mid-Plane Reach Extension
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.2
Front-Port Applications
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.2.3.1
Pattern Generator Characteristics
9.2.3.2
Equalizing Moderate Pre-Channel Loss
9.2.3.3
Equalizing High Pre-Channel Loss
9.2.3.4
Equalizing High Pre-Channel Loss and Moderate Post-Channel Loss
9.3
Initialization Set Up
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
11.2.1
Stripline Example
11.2.2
Microstrip Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
ZBL|135
MPBGAM0
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snls542c_oa
snls542c_pm
1
Features
Octal-Channel Multi-Protocol Linear Equalizer Supporting up to 28 Gbaud NRZ Interfaces
Integrated 2x2 Cross-point with Pin or Register Control for Mux, Fanout, and Signal Crossing Applications
Low Power Consumption: 93 mW / Channel (Typical)
No Heat Sink Required
Linear Equalization for Seamless Support of Link Training, Auto-Negotiation, and FEC Pass-Through
Extends Channel Reach by 17dB+ Beyond Normal ASIC-to-ASIC Capability at 14 GHz
Ultra-Low Latency: 100 ps (Typical)
Low Additive Random Jitter
Small 8 mm x 13 mm BGA Package with Integrated RX AC Coupling Capacitors for Easy Flow-Through Routing
Unique Pinout Allows Routing High-Speed Signals Underneath the Package
Pin-Compatible Retimer with Cross-point Available
Single 2.5-V ±5% Power Supply
–40°C to +85°C Operating Temperature Range