CY28346ZXCT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator
• Characteristics: Low jitter, high frequency accuracy
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Generates stable clock signals for various electronic devices

Specifications

• Frequency Range: 1 MHz to 200 MHz
• Output Types: LVPECL, LVDS, HCSL
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply
2. GND: Ground
3. OUT0: Clock output 0
4. OUT1: Clock output 1
5. OE: Output enable
6. SEL: Output type select
7. REF: Reference clock input
8. XTAL: Crystal oscillator input

Functional Features

• Low phase noise and jitter
• Wide frequency range selection
• Flexible output types
• Output enable/disable control
• Crystal oscillator or reference clock input options

Advantages

• High frequency accuracy
• Low power consumption
• Compact package size
• Easy integration into existing designs
• Reliable performance over temperature variations

Disadvantages

• Limited frequency range compared to some specialized clock generators
• Requires external crystal oscillator or reference clock source

Scope of Application Products

• Networking equipment
• Telecommunications devices
• Data storage systems
• Consumer electronics
• Industrial automation

Working Principles

The CY28346ZXCT generates clock signals by dividing the input reference clock or crystal oscillator frequency using a phase-locked loop (PLL) circuit. The PLL ensures accurate frequency multiplication and synchronization.

Detailed Application Field Cases

1. Networking Switches: The CY28346ZXCT provides stable clock signals for precise data transmission and synchronization in high-speed networking switches.
2. Wireless Base Stations: It ensures accurate timing for wireless communication systems, improving signal quality and reliability.
3. Data Storage Systems: The IC generates clock signals for data read/write operations in storage devices, enhancing data transfer rates.
4. Digital TVs: It provides synchronized clock signals for video processing and display, ensuring smooth playback and picture quality.
5. Industrial Control Systems: The CY28346ZXCT is used in control systems to synchronize various processes and ensure precise timing.

Detailed Alternative Models

• CY28346ZC: Similar specifications and features, different package type (TSSOP)
• CY28346ZXC: Higher frequency range (up to 500 MHz), otherwise similar specifications

5 Common Technical Questions and Answers

1. Q: Can the CY28346ZXCT operate with a 5V power supply? A: No, it requires a 3.3V power supply.

2. Q: What is the maximum output frequency of the LVDS output type? A: The LVDS output can reach frequencies up to 200 MHz.

3. Q: Is an external crystal oscillator required for operation? A: Yes, either an external crystal oscillator or a reference clock source is needed.

4. Q: Can the output be disabled? A: Yes, the output can be enabled or disabled using the OE pin.

5. Q: What is the typical phase noise performance of the CY28346ZXCT? A: The phase noise is typically below -120 dBc/Hz at 10 kHz offset.

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