CDCE421RGET

Overview

CDCE421RGET is a product belonging to the category of integrated circuits. It is commonly used in electronic devices for clock generation and distribution purposes. This versatile component offers various characteristics that make it suitable for a wide range of applications.

The CDCE421RGET comes in a compact package, ensuring easy integration into circuit boards. Its essence lies in its ability to generate and distribute precise clock signals, which are essential for synchronizing different components within an electronic system. The packaging/quantity of this product may vary depending on the manufacturer's specifications.

Specifications and Parameters

• Input Voltage Range: 2.375V to 3.465V
• Output Frequency Range: 1MHz to 200MHz
• Supply Current: 50mA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CDCE421RGET features a detailed and complete pin configuration, which includes the following pins:

1. VDD: Power supply input
2. GND: Ground reference
3. XIN/XOUT: Crystal oscillator input/output
4. CLKx_OUT: Clock output channels (x = 0 to 7)
5. SDA/SCL: I2C interface data and clock lines
6. OE: Output enable control
7. PLL_LOCK: Phase-locked loop lock indicator
8. REF_SEL: Reference clock selection control

Functional Characteristics

The CDCE421RGET offers several functional characteristics that enhance its performance and usability. These include:

• High-frequency clock generation and distribution
• Flexible output frequency programming
• Low jitter and phase noise
• I2C interface for easy configuration
• Output enable/disable control
• Phase-locked loop lock indicator

Advantages and Disadvantages

Advantages: - Wide operating voltage range - Precise and stable clock generation - Easy integration into electronic systems - Flexible output frequency programming

Disadvantages: - Relatively high power consumption - Limited output frequency range compared to some alternatives

Applicable Range of Products

The CDCE421RGET is suitable for use in various electronic devices that require accurate clock signals. It finds applications in telecommunications, networking equipment, consumer electronics, and industrial control systems.

Working Principles

The CDCE421RGET utilizes a phase-locked loop (PLL) to generate and distribute clock signals. The PLL locks onto an input reference clock and generates multiple output clocks with precise frequencies and phases.

Detailed Application Field Plans

The CDCE421RGET can be applied in the following fields:

1. Telecommunications: Clock synchronization in communication systems.
2. Networking Equipment: Timing and synchronization in routers and switches.
3. Consumer Electronics: Clock generation for audio/video processing.
4. Industrial Control Systems: Synchronization of control modules and sensors.
5. Test and Measurement Instruments: Precise timing for accurate measurements.

Detailed Alternative Models

Some alternative models to the CDCE421RGET include:

1. CDCE913: Offers similar functionality with additional features.
2. CDCM6208: Provides a wider output frequency range.
3. Si5341: Features advanced jitter attenuation capabilities.

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the CDCE421RGET? A: The CDCE421RGET can generate clock signals up to 200MHz.

2. Q: Can I program the output frequencies using an external microcontroller? A: Yes, the CDCE421RGET supports programming via the I2C interface, allowing external control.

3. Q: Does the CDCE421RGET require an external crystal oscillator? A: Yes, it requires an external crystal oscillator connected to the XIN/XOUT pins for clock generation.

4. Q: Can I disable specific output channels without affecting others? A: Yes, the CDCE421RGET provides individual output enable/disable control for each channel.

5. Q: What is the typical power consumption of the CDCE421RGET? A: The CDCE421RGET has a typical supply current of 50mA.

This encyclopedia entry provides an overview of the CDCE421RGET, 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.