CDCE937PW

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Clock Generator and Multiplier
Characteristics: Low jitter, high frequency accuracy, programmable outputs
Package: TSSOP-20
Essence: Clock generation and multiplication
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

Supply Voltage Range: 2.7V to 3.6V
Output Frequency Range: 8kHz to 1.5GHz
Number of Outputs: 9
Output Types: LVPECL, LVDS, HCSL, CMOS
Programmable Features: Output frequency, phase, and duty cycle
Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

VDDA: Analog power supply
VDDD: Digital power supply
GND: Ground
XIN: Crystal oscillator input
XOUT: Crystal oscillator output
CLKIN: External clock input
SDA: I2C serial data input
SCL: I2C serial clock input
OE: Output enable control
OUT0: Output 0
OUT1: Output 1
OUT2: Output 2
OUT3: Output 3
OUT4: Output 4
OUT5: Output 5
OUT6: Output 6
OUT7: Output 7
OUT8: Output 8
VDDO: Output power supply
GND: Ground

Functional Characteristics

Generates multiple clock signals with precise frequency and phase control
Supports various output types for compatibility with different systems
Programmable outputs allow customization for specific applications
Low jitter ensures accurate timing in high-speed digital systems
Flexible power supply options for different voltage requirements

Advantages and Disadvantages

Advantages: - Wide output frequency range covers a broad range of applications - High frequency accuracy ensures reliable clock signals - Programmable features provide flexibility for different system requirements

Disadvantages: - Limited number of outputs may not be sufficient for complex systems - Requires external crystal oscillator or clock input for operation

Applicable Range of Products

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

Working Principles

The CDCE937PW is a clock generator and multiplier IC that generates multiple clock signals from an external reference clock or crystal oscillator. It uses a phase-locked loop (PLL) to multiply the input frequency and provides precise control over the output frequency, phase, and duty cycle. The programmable outputs can be configured to meet the timing requirements of various digital systems.

Detailed Application Field Plans

Telecommunications Equipment: The CDCE937PW can be used in base stations, routers, and switches to generate clock signals for synchronization and data transmission.
Networking Devices: It is suitable for network switches, routers, and servers to ensure accurate timing for data processing and communication.
Data Storage Systems: The IC can be utilized in hard disk drives, solid-state drives, and RAID controllers to generate clock signals for data read/write operations.
Industrial Automation: It finds application in programmable logic controllers (PLCs), motor drives, and industrial robots to synchronize various processes and control signals.
Test and Measurement Instruments: The CDCE937PW can be employed in oscilloscopes, signal generators, and spectrum analyzers to generate precise clock signals for accurate measurements.

Detailed Alternative Models

CDCE949PW: Similar functionality with additional features like spread spectrum clocking and jitter attenuation.
CDCE925PW: Lower output frequency range but with similar programmable features and pin configuration.
CDCE913PW: Higher output frequency range with fewer outputs and simplified pin configuration.

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the CDCE937PW? A: The maximum output frequency is 1.5GHz.
Q: Can I use a crystal oscillator as the input for this IC? A: Yes, the CDCE937PW supports crystal oscillator inputs.
Q: How many programmable outputs does this IC have? A: It has 9 programmable outputs.
Q: What is the operating temperature range of the CDCE937PW? A: The operating temperature range is -40°C to +85°C.
Q: Can I use this IC in a 3.3V system? A: Yes, the CDCE937PW is compatible with supply voltages ranging from 2.7V to 3.