8T49N008A-046NLGI

Basic Information Overview

Category: Electronic Component
Use: Clock Generator and Jitter Attenuator
Characteristics: High precision, low jitter, programmable output frequencies
Package: QFN (Quad Flat No-leads)
Essence: Provides clock signals with precise timing for various electronic devices
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

Input Voltage Range: 2.5V to 3.3V
Output Frequency Range: 1MHz to 220MHz
RMS Phase Jitter: < 0.5ps (typical)
Supply Current: 50mA (typical)
Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

VDDO: Output Power Supply
GND: Ground
VDD: Core Power Supply
SDA: I2C Serial Data Input/Output
SCL: I2C Serial Clock Input
OE#: Output Enable Control
CLKIN: Reference Clock Input
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection

Functional Characteristics

Generates multiple output clocks with programmable frequencies
Supports I2C interface for configuration and control
Provides low jitter clock signals for high-performance applications
Allows fine-tuning of output frequencies for system optimization
Offers flexible output format options (LVPECL, LVDS, HCSL)

Advantages and Disadvantages

Advantages: - High precision and low jitter output - Programmable frequencies for versatile applications - I2C interface allows easy configuration - Wide operating temperature range

Disadvantages: - Limited output frequency range compared to some other models - Requires external reference clock input

Applicable Range of Products

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

Working Principles

The 8T49N008A-046NLGI operates by taking an external reference clock input (CLKIN) and using internal PLL (Phase-Locked Loop) circuits to generate multiple output clocks with precise timing. The device can be programmed through the I2C interface (SDA and SCL pins) to set the desired output frequencies and other parameters.

Detailed Application Field Plans

Telecommunications: Provides clock signals for network switches, routers, and base stations.
Data Storage Systems: Ensures accurate timing for hard disk drives and solid-state drives.
Industrial Automation: Synchronizes control systems in manufacturing plants and robotics.
Test and Measurement Instruments: Generates precise clock signals for oscilloscopes and signal analyzers.
Automotive Electronics: Supports timing requirements in automotive infotainment systems and advanced driver-assistance systems.

Detailed Alternative Models

8T49N008A-045NLGI: Similar specifications but with a different package type (QFP).
8T49N010A-046NLGI: Offers a wider output frequency range up to 500MHz.
8T49N006A-046NLGI: Lower power consumption version with similar functionality.
8T49N012A-046NLGI: Higher precision variant with lower phase jitter performance.
8T49N004A-046NLGI: Basic clock generator without programmable features.

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the 8T49N008A-046NLGI? A: The maximum output frequency is 220MHz.
Q: Can I use this device with a 3.3V power supply? A: Yes, the input voltage range supports 2.5V to 3.3V.
Q: How can I configure the output frequencies? A: The device can be programmed through the I2C interface using compatible software or microcontrollers.
Q: Does this clock generator support LVDS output format? A: Yes, the 8T49N008A-046NLGI offers LVDS as one of the output format options.
Q: What is the typical phase jitter performance of this device? A: The RMS phase jitter is typically less than 0.5ps.

This encyclopedia entry provides an overview of the 8T49N008A-046NLGI clock generator and jitter attenuator. It includes basic information, specifications, pin configuration, functional