8T49N281C-999NLGI

Basic Information Overview

Category: Electronic Component
Use: Timing Device
Characteristics: High Precision, Low Jitter
Package: QFN (Quad Flat No-leads)
Essence: Clock Generator and Jitter Attenuator
Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications and Parameters

Frequency Range: 1 MHz to 2.5 GHz
Output Type: LVPECL, LVDS, HCSL
Supply Voltage: 3.3 V
Operating Temperature Range: -40°C to +85°C
Phase Noise: -150 dBc/Hz @ 100 kHz offset
RMS Jitter: < 0.5 ps

Detailed and Complete Pin Configuration

VDD: Power Supply
GND: Ground
OUT0: Output 0
OUT1: Output 1
OE: Output Enable
SEL: Output Select
SDA: Serial Data Input
SCL: Serial Clock Input
REF: Reference Clock Input
XTAL: Crystal Oscillator Input

Functional Characteristics

Clock Generation: Generates high-frequency clock signals with low jitter.
Jitter Attenuation: Reduces the amount of jitter in incoming clock signals.
Output Selection: Allows selection between multiple output types (LVPECL, LVDS, HCSL).
Output Enable: Enables or disables the output signals.
I2C Interface: Supports serial communication for configuration and control.

Advantages and Disadvantages

Advantages: - High precision and low jitter for accurate timing applications. - Wide frequency range suitable for various electronic systems. - Multiple output types for compatibility with different devices. - I2C interface allows easy configuration and control.

Disadvantages: - Limited operating temperature range (-40°C to +85°C). - Requires an external crystal oscillator for clock input.

Applicable Range of Products

Telecommunications equipment
Networking devices
Data storage systems
Industrial automation
Test and measurement instruments

Working Principles

The 8T49N281C-999NLGI operates by generating high-frequency clock signals using an internal oscillator or an external crystal oscillator. It then attenuates the jitter in incoming clock signals, ensuring a stable and accurate timing reference. The device provides multiple output types, allowing compatibility with various electronic systems.

Detailed Application Field Plans

Telecommunications: Used in base stations, routers, and switches for precise synchronization.
Data Storage: Integrated into solid-state drives (SSDs) and hard disk drives (HDDs) for reliable data transfer.
Industrial Automation: Employed in programmable logic controllers (PLCs) and motion control systems for precise timing.
Test and Measurement: Utilized in oscilloscopes, signal generators, and frequency counters for accurate measurements.
Automotive Electronics: Incorporated into automotive infotainment systems and advanced driver-assistance systems (ADAS) for synchronized operation.

Detailed Alternative Models

8T49N282C-999NLGI: Similar specifications but with extended temperature range (-55°C to +125°C).
8T49N283C-999NLGI: Higher frequency range up to 4 GHz.
8T49N284C-999NLGI: Lower phase noise for ultra-sensitive applications.

5 Common Technical Questions and Answers

Q: What is the maximum frequency this device can generate? A: The 8T49N281C-999NLGI can generate frequencies up to 2.5 GHz.
Q: Can I use this device in an automotive application? A: Yes, it is suitable for automotive electronics, but ensure the operating temperature range is compatible.
Q: How do I configure the device using the I2C interface? A: Refer to the datasheet for detailed instructions on configuring the device through the I2C interface.
Q: What is the typical jitter performance of this device? A: The RMS jitter is less than 0.5 ps, ensuring precise timing accuracy.
Q: Can I use this device with a 5 V power supply? A: No, the 8T49N281C-999NLGI requires a 3.3 V power supply for proper operation.

This encyclopedia entry provides comprehensive information about the 8T49N281C-999NLGI timing device, including its basic overview, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.