8T49N241NLGI8

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 units 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 @ 10 kHz offset

Detailed and Complete Pin Configuration

1. VDDO: Output Power Supply
2. GND: Ground
3. VDD: Core Power Supply
4. XTAL_IN: Crystal Input
5. XTAL_OUT: Crystal Output
6. CLK_OUT: Clock Output
7. OE#: Output Enable Control
8. SEL: Output Format Select
9. SDA: I2C Serial Data
10. SCL: I2C Serial Clock
11. NC: No Connection

Functional Characteristics

• Clock Generation: Generates high-quality clock signals with low jitter.
• Jitter Attenuation: Reduces the phase noise and jitter of incoming clock signals.
• Output Formats: Supports LVPECL, LVDS, and HCSL output formats.
• Output Enable Control: Allows for enabling or disabling the clock output.
• I2C Interface: Provides an I2C interface for configuration and control.

Advantages and Disadvantages

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

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

Applicable Range of Products

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

Working Principles

The 8T49N241NLGI8 operates by generating clock signals using an external crystal oscillator. It then uses its internal PLL (Phase-Locked Loop) to clean up and attenuate the jitter and phase noise of the incoming clock signal. The device provides various output formats, allowing it to be compatible with different systems and devices.

Detailed Application Field Plans

1. Telecommunications Equipment: Used for clock synchronization in base stations and network switches.
2. Networking Devices: Provides precise timing for routers, switches, and network servers.
3. Data Storage Systems: Ensures accurate timing for data storage and retrieval operations.
4. Industrial Automation: Synchronizes timing in PLCs (Programmable Logic Controllers) and industrial control systems.
5. Test and Measurement Instruments: Provides stable and accurate timing signals for oscilloscopes, spectrum analyzers, and other test equipment.

Detailed Alternative Models

1. 8T49N242NLGI8: Similar specifications but with additional features for advanced applications.
2. 8T49N240NLGI8: Lower frequency range but suitable for cost-sensitive applications.
3. 8T49N243NLGI8: Higher frequency range and enhanced performance for demanding applications.

5 Common Technical Questions and Answers

1. Q: Can I use this device without an external crystal? A: No, an external crystal is required for clock generation.

2. Q: What is the maximum frequency this device can generate? A: The 8T49N241NLGI8 can generate clock signals up to 2.5 GHz.

3. Q: How do I configure the output format? A: The SEL pin is used to select the desired output format.

4. Q: Can I disable the clock output temporarily? A: Yes, the OE# pin allows for enabling or disabling the clock output.

5. Q: Is there a software interface for configuration? A: No, the device uses an I2C interface for configuration and control.

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