SNAS787C
November 2019 – August 2025
CDCDB2000
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Enable Control
6.3.2
SMBus
6.3.2.1
SMBus Address Assignment
6.3.3
Side-Band Interface
6.4
Device Functional Modes
6.4.1
CKPWRGD_PD# Function
6.4.2
OE[12:5]# and SMBus Output Enables
6.5
Programming
6.5.1
SMBus
6.5.2
SBI
7
Register Maps
7.1
CDCDB2000 Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Output Enable Control Method
8.2.2.2
SMBus Address
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Device Support
9.1.1
TICS Pro
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
NPP|80
MPBGAP1
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snas787c_oa
snas787c_pm
1
Features
20 LP-HCSL outputs with integrated 85Ω output terminations
8 hardware output enable (OE#) controls
Additive phase jitter after DB2000QL filter:
< 0.08ps rms
Supports PCIe Gen 6 and Gen 7 Common Clock (CC) and Individual Reference (IR) architectures
Spread spectrum-compatible
Cycle-to-cycle jitter: < 50ps
Output-to-output skew: < 50ps
Input-to-output delay: < 3ns
3.3V core and IO supply voltages
Hardware-controlled low power mode (PD#)
Side-Band Interface (SBI) for output control in PD# mode
9 selectable SMBus addresses
Power consumption: < 600mW
6mm × 6mm, 80-pin TLGA/GQFN package