8T49N004A-062NLGI8

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 and Reel, 2500 units per reel

Specifications and Parameters

• Frequency Range: 1 MHz to 2.1 GHz
• Output Type: LVPECL, LVDS, HCSL
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C
• Phase Noise: -150 dBc/Hz at 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. REFCLKIN: Reference Clock Input
7. REFCLKOUT: Reference Clock Output
8. OE#: Output Enable
9. CLK_OUT: Clock Output
10. NC: No Connection

Functional Characteristics

• Clock Generation: Generates high-frequency clock signals with low jitter.
• Jitter Attenuation: Reduces the amount of jitter in the input reference clock.
• Output Options: Provides various output types (LVPECL, LVDS, HCSL) for compatibility with different systems.
• Output Enable: Allows the user to enable or disable the clock output.

Advantages and Disadvantages

Advantages: - High precision and low jitter performance. - Wide frequency range suitable for various applications. - Multiple output options for flexibility. - Compact package size for space-constrained designs.

Disadvantages: - Requires an external crystal for operation. - Limited operating temperature range.

Applicable Range of Products

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

Working Principles

The 8T49N004A-062NLGI8 operates by taking an input reference clock and generating a high-frequency clock signal with low jitter. It achieves this by using a combination of PLL (Phase-Locked Loop) and VCXO (Voltage-Controlled Crystal Oscillator) technologies. The device also provides options to attenuate the jitter in the input reference clock, improving the overall clock quality.

Detailed Application Field Plans

1. Telecommunications Equipment: Used for clock synchronization in base stations, routers, and switches.
2. Networking Devices: Provides precise timing signals for data transmission and network synchronization.
3. Data Storage Systems: Ensures accurate timing for data read/write operations in storage devices.
4. Industrial Automation: Synchronizes various components in automated systems, such as PLCs and motor controllers.
5. Test and Measurement Instruments: Offers stable and precise timing references for accurate measurements.

Detailed Alternative Models

• 8T49N002: Similar functionality but with a lower frequency range.
• 8T49N006: Higher frequency range and additional features like frequency synthesis.
• 8T49N008: Enhanced jitter attenuation capabilities for ultra-low jitter requirements.

5 Common Technical Questions and Answers

1. Q: Can I use a different crystal than the recommended one? A: It is not recommended as the device is optimized for specific crystal characteristics.

2. Q: What is the maximum output frequency supported? A: The device supports frequencies up to 2.1 GHz.

3. Q: How do I enable/disable the clock output? A: Use the OE# pin to control the output enable/disable function.

4. Q: Can I operate the device at temperatures outside the specified range? A: Operating the device outside the specified temperature range may result in degraded performance or failure.

5. Q: What is the typical phase noise performance of the device? A: The device offers a phase noise level of -150 dBc/Hz at a 10 kHz offset.

This encyclopedia entry provides an overview of the 8T49N004A-062NLGI8 timing device, including its basic information, 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.