SNAS888A
September 2024 – November 2024
LMK1D2102L
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Parameter Measurement Information
7.1
Differential Voltage Measurement Terminology
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Output Common Mode
8.3.2
Fail-Safe Input
8.4
Device Functional Modes
8.4.1
Output Enable / Disable and Amplitude Selection
8.4.2
LVDS Output Termination
8.4.3
Input Termination
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Examples
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGT|16
MPQF119H
Thermal pad, mechanical data (Package|Pins)
RGT|16
QFND098S
Orderable Information
SNAS888A_pm
snas888a_oa
1
Features
High-performance LVDS clock buffer family: up to 2GHz
Dual 1:2 differential buffer
Dual 1:4 differential buffer
Dual 1:6 differential buffer
Dual 1:8 differential buffer
Supply voltage: 1.71V to 3.465V
Dual output common mode voltage operation:
Output common mode voltage: 0.7V at 1.8V supply voltage.
Output common mode voltage: 1.2V at 2.5V/3.3V supply voltage
Low additive jitter:
< 17fs RMS typical in 12kHz to
20MHz at 1250.25MHz
< 22fs RMS typical in 12kHz to
20MHz at 625MHz
< 60fs RMS maximum in 12kHz to
20MHz at 156.25MHz
Very low phase noise floor: -164dBc/Hz (typical at 156.25MHz)
Very low propagation delay: < 575ps maximum
Output skew:
15ps maximum (LMK1D2102, LMK1D2104)
20ps maximum (LMK1D2106, LMK1D2106)
Part to Part skew: 150ps
High-swing LVDS (boosted mode): 500mV VOD typical when AMP_SELA, AMP_SELB= Floating
Bank enable/disable using AMP_SELA and AMP_SELB
Section 8.4.1
Fail-safe input operation
Universal inputs accept LVDS, LVPECL, LVCMOS, HCSL and CML signal levels
LVDS reference voltage, V
AC_REF
, available for capacitive-coupled inputs
Extended industrial temperature range: –40°C to 105°C