8T49N004A-002NLGI

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: 1.8V to 3.3V
• Output Frequency Range: 10MHz to 2.1GHz
• RMS Phase Jitter: < 0.5ps (typical)
• Supply Current: 100mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VDDO: Output Power Supply
2. VDDI: Input Power Supply
3. GND: Ground
4. XIN: Crystal Oscillator Input
5. XOUT: Crystal Oscillator Output
6. CLK_OUT: Clock Output
7. SDA: I2C Serial Data
8. SCL: I2C Serial Clock
9. OE#: Output Enable
10. NC: No Connection

Functional Characteristics

• Clock Generation: Generates high-quality clock signals with programmable frequencies.
• Jitter Attenuation: Reduces the phase noise and jitter of input clock signals.
• Output Multiplexing: Supports multiple output frequencies from a single input source.
• I2C Interface: Allows configuration and control of the device through the I2C bus.

Advantages and Disadvantages

Advantages: - High precision and low jitter output signals. - Wide range of programmable output frequencies. - Compact package size for space-constrained applications.

Disadvantages: - Requires external crystal oscillator for clock generation. - Limited number of output pins.

Applicable Range of Products

• Communication Systems
• Networking Equipment
• Data Storage Devices
• Test and Measurement Instruments
• Industrial Automation Systems

Working Principles

The 8T49N004A-002NLGI operates by taking an input clock signal and generating precise output clock signals with programmable frequencies. It utilizes a crystal oscillator as the reference source and employs advanced jitter attenuation techniques to minimize phase noise and jitter. The device can be configured and controlled through the I2C interface, allowing flexibility in adjusting various parameters.

Detailed Application Field Plans

1. Communication Systems: Provides accurate clock signals for data transmission and synchronization in telecommunication networks.
2. Networking Equipment: Ensures precise timing for routers, switches, and other network devices, improving overall network performance.
3. Data Storage Devices: Synchronizes read and write operations in storage systems, enhancing data transfer reliability.
4. Test and Measurement Instruments: Offers stable and accurate timing references for oscilloscopes, spectrum analyzers, and other measurement equipment.
5. Industrial Automation Systems: Facilitates synchronized operation of sensors, actuators, and control systems in industrial automation applications.

Detailed Alternative Models

1. 8T49N004A-001NLGI: Similar to 8T49N004A-002NLGI but with different pin configuration.
2. 8T49N005A-002NLGI: Clock generator and jitter attenuator with additional features such as frequency synthesis and spread spectrum modulation.

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency supported by 8T49N004A-002NLGI? A: The device supports output frequencies up to 2.1GHz.

2. Q: Can I use a lower voltage supply than the specified range? A: No, the device requires a power supply within the specified voltage range for proper operation.

3. Q: How can I program the output frequency? A: The output frequency can be programmed through the I2C interface using appropriate commands and registers.

4. Q: Does the device support multiple clock domains? A: Yes, the device supports multiple clock domains by providing multiple output frequencies from a single input source.

5. Q: Can I use an external clock source instead of a crystal oscillator? A: No, the device requires a crystal oscillator as the reference source for clock generation.

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