IDT, Integrated Device Technology Inc
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8T49N240-998NLGI8
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8T49N240-998NLGI8

Basic Information Overview

  • Category: Electronic Component
  • Use: Timing Device
  • Characteristics: High Precision, Low Jitter
  • Package: QFN
  • Essence: Clock Generator
  • Packaging/Quantity: Tape & Reel / 2500 pcs 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. VDD (Power Supply)
  2. GND (Ground)
  3. OUT (Output)
  4. OE (Output Enable)
  5. SEL (Output Select)
  6. REF (Reference Input)
  7. SDA (Serial Data)
  8. SCL (Serial Clock)

Functional Characteristics

  • Generates high-precision clock signals
  • Supports multiple output types for flexibility
  • Allows output enable and select control
  • Provides reference input for synchronization
  • Serial interface for configuration and control

Advantages and Disadvantages

Advantages: - High precision and low jitter - Wide frequency range - Multiple output options - Flexible configuration and control

Disadvantages: - Requires external reference input - Limited operating temperature range

Applicable Range of Products

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

Working Principles

The 8T49N240-998NLGI8 is a clock generator that utilizes a crystal oscillator as its reference input. It generates highly accurate clock signals with low jitter by leveraging advanced frequency synthesis techniques. The device allows users to configure various output types and control the enable and select functions, providing flexibility for different applications.

Detailed Application Field Plans

  1. Telecommunications: Used in base stations for precise timing synchronization.
  2. Networking: Provides accurate clock signals for data transmission and network synchronization.
  3. Data Storage: Ensures precise timing for data read/write operations in storage systems.
  4. Industrial Automation: Synchronizes various automation processes for efficient operation.
  5. Test and Measurement: Provides accurate timing references for precise measurements.

Detailed Alternative Models

  • 8T49N240-998NLGI7: Similar specifications but with a different package type (SOIC).
  • 8T49N240-998NLGI9: Higher frequency range and additional features for advanced applications.
  • 8T49N240-998NLGI10: Lower jitter performance and wider operating temperature range.

5 Common Technical Questions and Answers

  1. Q: Can I use this device without an external reference input? A: No, the 8T49N240-998NLGI8 requires an external reference input for operation.

  2. Q: What is the maximum frequency range supported by this device? A: The 8T49N240-998NLGI8 supports a frequency range from 1 MHz to 2.5 GHz.

  3. Q: Can I control the output enable and select functions of this device? A: Yes, the 8T49N240-998NLGI8 provides control pins for output enable and select functions.

  4. Q: What is the phase noise performance of this device? A: The 8T49N240-998NLGI8 has a phase noise of -150 dBc/Hz at a 10 kHz offset.

  5. Q: What is the operating temperature range of this device? A: The 8T49N240-998NLGI8 can operate in a temperature range from -40°C to +85°C.

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