SNLS689
December 2020
DS160PR822
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
DC Electrical Characteristics
6.6
High Speed Electrical Characteristics
6.7
SMBUS/I2C Timing Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Linear Equalization
7.3.2
Flat Gain
7.3.3
Receiver Detect State Machine
7.3.4
Cross Point
7.4
Device Functional Modes
7.4.1
Active PCIe Mode
7.4.2
Active Buffer Mode
7.4.3
Standby Mode
7.5
Programming
7.5.1
Control and Configuration Interface
7.5.1.1
Pin Mode
7.5.1.1.1
Four-Level Control Inputs
7.5.1.2
SMBUS/I2C Register Control Interface
7.5.1.3
SMBus/I 2 C Master Mode Configuration (EEPROM Self Load)
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
37
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
NJX|64
MPQF574
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snls689_oa
snls689_pm
1
Features
Eight channel
linear equalizer supporting
PCIe 4.0
up to 16 Gbps
Protocol agnostic linear redriver supporting many high speed interface including
UPI,
DisplayPort, SAS, SATA, XFI
Provides four 2x2 Crosspoint mux function
Provides equalization to handle up to 42 dB of PCIe 4.0 channels
CTLE boosts up to 18 dB at 8 GHz
Ultra-low latency of 90 ps
Low additive random jitter of 70 fs with PRBS data
Single 3.3 V supply
Low active power of 107 mW/channel
No heat sink required
Pin-strap, SMBus/I
2
C or EEPROM programming
Automatic receiver detection for PCIe use cases
Seamless support for
PCIe
link training
Support for
x2,
x4, x8, x16
PCIe
bus width with one or multiple DS160
PR822
Industrial temperature range of –40°C to 85°C
5.5 mm × 10 mm, 64-pin WQFN package