IDT, Integrated Device Technology Inc
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8T49N241-005NLGI
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8T49N241-005NLGI

Basic Information Overview

  • Category: Electronic Component
  • Use: Timing Device
  • Characteristics: High Precision, Low Jitter
  • Package: QFN
  • Essence: Clock Generator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications and Parameters

  • Frequency Range: 1 MHz to 2.1 GHz
  • Output Format: 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. VDD (Power Supply)
  2. GND (Ground)
  3. OUT (Output Signal)
  4. OE (Output Enable)
  5. SEL (Output Format Select)
  6. SDA (Serial Data Input)
  7. SCL (Serial Clock Input)
  8. NC (No Connection)

Functional Characteristics

  • Generates high-precision clock signals with low jitter
  • Supports multiple output formats (LVPECL, LVDS, HCSL)
  • Provides output enable and format select options for flexibility
  • Serial interface for configuration and control

Advantages and Disadvantages

Advantages: - High precision and low jitter for accurate timing applications - Multiple output formats for compatibility with different systems - Flexible configuration options for various use cases

Disadvantages: - Requires external configuration and control through the serial interface - Limited frequency range compared to some other timing devices

Applicable Range of Products

  • Telecommunications equipment
  • Networking devices
  • Industrial automation systems
  • Test and measurement instruments
  • Consumer electronics

Working Principles

The 8T49N241-005NLGI is a clock generator that utilizes a crystal oscillator as its reference. It generates clock signals with high precision and low jitter by dividing the input frequency and providing various output formats. The device can be configured and controlled through a serial interface, allowing for flexibility in different applications.

Detailed Application Field Plans

  1. Telecommunications Equipment: Provides accurate timing signals for data transmission and synchronization in communication systems.
  2. Networking Devices: Ensures precise clocking for network switches, routers, and other networking equipment.
  3. Industrial Automation Systems: Synchronizes processes and controls in industrial automation applications.
  4. Test and Measurement Instruments: Offers precise timing for accurate measurements and data acquisition.
  5. Consumer Electronics: Supports clocking requirements in devices such as TVs, set-top boxes, and audio systems.

Detailed Alternative Models

  • 8T49N241-004NLGI: Similar specifications and functionality, but with a different output format selection.
  • 8T49N241-006NLGI: Higher frequency range and additional features for more demanding applications.

5 Common Technical Questions and Answers

  1. Q: What is the maximum frequency this device can generate? A: The 8T49N241-005NLGI can generate clock signals up to 2.1 GHz.

  2. Q: Can I use this device with a 5V power supply? A: No, the recommended supply voltage for this device is 3.3V.

  3. Q: How do I enable/disable the output signal? A: The OE (Output Enable) pin can be used to control the output signal. When pulled low, the output is disabled.

  4. Q: Can I change the output format without reconfiguring the device? A: Yes, the SEL (Output Format Select) pin allows you to select the desired output format without reconfiguration.

  5. Q: Is there any special consideration for PCB layout when using this device? A: It is recommended to follow the layout guidelines provided in the datasheet to ensure optimal performance and minimize noise.

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