PI6C490094LEX

Basic Information Overview

• Category: Integrated Circuit
• Use: Clock Generator and Buffer
• Characteristics: Low jitter, high frequency accuracy, low power consumption
• Package: QFN (Quad Flat No-leads)
• Essence: Clock generation and buffering for electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

• Frequency Range: 1 MHz to 200 MHz
• Supply Voltage: 3.3V
• Output Type: LVCMOS
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PI6C490094LEX has a total of 24 pins. The pin configuration is as follows:

1. VDD
2. GND
3. CLKOUT0
4. CLKOUT1
5. CLKOUT2
6. CLKOUT3
7. CLKOUT4
8. CLKOUT5
9. CLKOUT6
10. CLKOUT7
11. CLKOUT8
12. CLKOUT9
13. CLKOUT10
14. CLKOUT11
15. CLKOUT12
16. CLKOUT13
17. CLKOUT14
18. CLKOUT15
19. CLKOUT16
20. CLKOUT17
21. CLKOUT18
22. CLKOUT19
23. CLKOUT20
24. CLKOUT21

Functional Characteristics

• Generates up to 21 clock outputs with programmable frequencies
• Low jitter performance for accurate timing requirements
• Supports spread spectrum modulation for EMI reduction
• Power-down mode for reduced power consumption during idle periods

Advantages and Disadvantages

Advantages: - Wide frequency range suitable for various applications - Low power consumption for energy-efficient designs - Spread spectrum modulation reduces electromagnetic interference

Disadvantages: - Limited number of clock outputs - Requires external crystal oscillator for frequency reference

Applicable Range of Products

The PI6C490094LEX is commonly used in electronic devices that require multiple clock signals with precise timing. It is suitable for applications such as communication systems, data storage devices, and industrial automation equipment.

Working Principles

The PI6C490094LEX utilizes an internal phase-locked loop (PLL) to generate clock signals based on a reference frequency provided by an external crystal oscillator. The PLL adjusts the output frequencies according to the programmed settings, ensuring accurate timing for the connected devices.

Detailed Application Field Plans

1. Communication Systems: The PI6C490094LEX can be used in routers, switches, and network interface cards to provide synchronized clock signals for data transmission.
2. Data Storage Devices: It can be employed in hard disk drives, solid-state drives, and RAID controllers to generate clock signals for data read/write operations.
3. Industrial Automation Equipment: The IC can be utilized in programmable logic controllers (PLCs), motor drives, and robotic systems to synchronize various components and ensure precise timing.

Detailed Alternative Models

1. PI6C490092LEX: Similar features but with fewer clock outputs (9 instead of 21).
2. PI6C490095LEX: Offers additional features such as frequency margining and spread spectrum modulation control.

5 Common Technical Questions and Answers

1. Q: Can the PI6C490094LEX operate at frequencies below 1 MHz? A: No, the minimum frequency supported is 1 MHz.

2. Q: What is the typical jitter performance of the PI6C490094LEX? A: The typical jitter is less than 100 ps.

3. Q: Does the IC support hot-plugging of clock outputs? A: No, hot-plugging is not supported. The device should be powered off before connecting or disconnecting clock outputs.

4. Q: Can the PI6C490094LEX be used with a 5V supply voltage? A: No, the recommended supply voltage is 3.3V. Using a higher voltage may damage the IC.

5. Q: Is the PI6C490094LEX RoHS compliant? A: Yes, the IC is RoHS (Restriction of Hazardous Substances) compliant, ensuring it meets environmental regulations.

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