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CDCEL937PWRG4
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CDCEL937PWRG4

Overview

CDCEL937PWRG4 is a product belonging to the category of clock generators. It is commonly used in electronic devices to generate precise clock signals for synchronization and timing purposes. The CDCEL937PWRG4 offers several characteristics that make it suitable for various applications. It comes in a small package, making it easy to integrate into different circuit designs. The essence of this product lies in its ability to provide accurate and stable clock signals, ensuring reliable operation of electronic systems. Each package contains one CDCEL937PWRG4 unit.

Specifications and Parameters

  • Input Voltage Range: 1.8V - 3.6V
  • Output Frequency Range: 1MHz - 200MHz
  • Operating Temperature Range: -40°C to +85°C
  • Supply Current: 10mA (typical)
  • Package Type: TSSOP-16

Pin Configuration

The CDCEL937PWRG4 has a detailed and complete pin configuration as follows:

  1. VDDA: Analog power supply
  2. VDDD: Digital power supply
  3. GND: Ground
  4. XIN: Crystal oscillator input
  5. XOUT: Crystal oscillator output
  6. CLK0_OUT: Clock output 0
  7. CLK1_OUT: Clock output 1
  8. CLK2_OUT: Clock output 2
  9. CLK3_OUT: Clock output 3
  10. SDA: I2C serial data input/output
  11. SCL: I2C serial clock input
  12. OE: Output enable control
  13. PLL_SEL: PLL selection control
  14. SEL0: Output frequency selection control 0
  15. SEL1: Output frequency selection control 1
  16. SEL2: Output frequency selection control 2

Functional Characteristics

The CDCEL937PWRG4 offers the following functional characteristics:

  • Crystal oscillator input with frequency range up to 50MHz
  • Four independent clock outputs with programmable frequencies
  • Integrated phase-locked loop (PLL) for precise frequency synthesis
  • I2C interface for easy configuration and control
  • Output enable control for power management

Advantages and Disadvantages

Advantages of CDCEL937PWRG4: - High accuracy and stability in generating clock signals - Flexible output frequency selection - Easy integration into various circuit designs - Low power consumption

Disadvantages of CDCEL937PWRG4: - Limited output frequency range compared to some other clock generators - Requires external crystal oscillator for operation

Applicable Range of Products

CDCEL937PWRG4 is widely applicable in electronic devices that require accurate and stable clock signals. It can be used in various applications such as microcontrollers, digital signal processors, communication systems, and data storage devices.

Working Principles

The CDCEL937PWRG4 utilizes a crystal oscillator input to generate a reference frequency. This frequency is then multiplied and divided using the integrated PLL and frequency dividers to obtain the desired output frequencies. The I2C interface allows users to configure the device and select the output frequencies according to their specific requirements.

Detailed Application Field Plans

CDCEL937PWRG4 can be applied in the following fields:

  1. Microcontroller-based systems: Provides precise timing for data processing and peripheral synchronization.
  2. Communication systems: Ensures accurate timing for data transmission and reception.
  3. Data storage devices: Synchronizes read and write operations for reliable data storage.
  4. Digital signal processing: Enables synchronized operation of multiple processing units.
  5. Industrial automation: Facilitates precise timing in control systems.

Detailed Alternative Models

Some alternative models to CDCEL937PWRG4 include:

  1. CDCE913PWRG4
  2. CDCE925PWRG4
  3. CDCE937PWRG4
  4. CDCE949PWRG4
  5. CDCE961PWRG4

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of CDCEL937PWRG4? A: The maximum output frequency is 200MHz.

  2. Q: Can CDCEL937PWRG4 operate with a single power supply? A: Yes, it can operate with a single power supply in the range of 1.8V to 3.6V.

  3. Q: How many clock outputs does CDCEL937PWRG4 have? A: It has four independent clock outputs.

  4. Q: Is an external crystal oscillator required for CDCEL937PWRG4 operation? A: Yes, an external crystal oscillator is required as the input reference.

  5. Q: What is the package type of CDCEL937PWRG4? A: It comes in a TSSOP-16