IDT, Integrated Device Technology Inc
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8T49N241-004NLGI8
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8T49N241-004NLGI8

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 Format: LVCMOS, LVDS, HCSL
  • Supply Voltage: 1.8 V to 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. VDD: Core Power Supply
  3. GND: Ground
  4. OUT0: Output 0
  5. OUT1: Output 1
  6. OUT2: Output 2
  7. OUT3: Output 3
  8. REFCLK: Reference Clock Input
  9. XTALI: Crystal Input
  10. XTALO: Crystal Output
  11. SDA: I2C Serial Data
  12. SCL: I2C Serial Clock
  13. OE#: Output Enable
  14. NC: No Connection

Functional Characteristics

  • Clock Generation: Generates high-frequency clock signals with low jitter.
  • Jitter Attenuation: Reduces the phase noise and jitter of input clock signals.
  • Output Formats: Supports multiple output formats such as LVCMOS, LVDS, and HCSL.
  • Programmable Features: Various parameters can be configured through I2C interface.
  • Output Enable Control: Allows individual output channels to be enabled or disabled.

Advantages and Disadvantages

Advantages: - High precision and low jitter performance. - Wide frequency range suitable for various applications. - Flexible output formats for compatibility with different systems. - Programmable features provide customization options.

Disadvantages: - Requires external crystal or clock source for operation. - Limited number of output channels compared to some other devices. - Relatively high power consumption in certain operating conditions.

Applicable Range of Products

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

Working Principles

The 8T49N241-004NLGI8 operates by generating clock signals based on an external reference clock input. It utilizes a phase-locked loop (PLL) to multiply the frequency of the reference clock and generate high-frequency output clocks. The device also incorporates jitter attenuation techniques to reduce the phase noise and jitter of the input clock signals, resulting in cleaner and more stable output clocks.

Detailed Application Field Plans

  1. Telecommunications Equipment: Used for clock synchronization in base stations, routers, and switches.
  2. Networking Devices: Provides precise timing for data transmission and network synchronization.
  3. Data Storage Systems: Ensures accurate timing for data read/write operations and RAID configurations.
  4. Industrial Automation: Synchronizes control systems and sensors in manufacturing and process automation.
  5. Test and Measurement Instruments: Offers precise timing references for accurate measurements and signal analysis.

Detailed Alternative Models

  1. 8T49N242-005NLGI8: Similar functionality with additional features for enhanced performance.
  2. 8T49N240-003NLGI8: Lower-cost alternative with slightly reduced specifications.
  3. 8T49N243-006NLGI8: Higher-end model with extended frequency range and advanced programmability.

5 Common Technical Questions and Answers

  1. Q: Can I use this device without an external crystal? A: No, the 8T49N241-004NLGI8 requires an external crystal or clock source for operation.

  2. Q: What is the maximum frequency this device can generate? A: The device can generate clock signals with frequencies ranging from 1 MHz to 2.5 GHz.

  3. Q: Can I disable specific output channels? A: Yes, the device supports individual output channel enable/disable control through the OE# pin.

  4. Q: How do I configure the device's parameters? A: The device's parameters can be configured through the I2C serial interface using the SDA and SCL pins.

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

This encyclopedia entry provides detailed information about the 8T49N241-004NLGI8 timing device, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, application field plans,