CDCM7005HFG/EM

Product Overview

Category

The CDCM7005HFG/EM belongs to the category of integrated circuits (ICs) specifically designed for clock generation and distribution.

Use

This product is primarily used in electronic devices that require precise timing signals, such as communication systems, data centers, and high-speed digital designs.

Characteristics

• Clock generator and distributor IC
• High precision and low jitter performance
• Wide frequency range support
• Flexible configuration options
• Compact package size
• RoHS compliant

Package

The CDCM7005HFG/EM is available in a small form factor package, typically a 32-pin QFN (Quad Flat No-Lead) package. This package offers excellent thermal dissipation and ease of integration into various circuit designs.

Essence

The essence of the CDCM7005HFG/EM lies in its ability to generate and distribute accurate clock signals, ensuring synchronized operation of multiple components within an electronic system.

Packaging/Quantity

This product is commonly supplied in tape and reel packaging, with a typical quantity of 250 units per reel.

Specifications

• Input voltage range: 2.375V to 3.63V
• Output frequency range: 8kHz to 1.5GHz
• Number of outputs: 10 differential or 20 single-ended
• Output formats: LVPECL, LVDS, HCSL, CMOS
• Phase-locked loop (PLL) bandwidth: up to 1.5GHz
• Power supply current: 100mA (typical)

Detailed Pin Configuration

The CDCM7005HFG/EM features a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. VDDA - Analog power supply
2. VDD - Digital power supply
3. GND - Ground
4. REFCLKIN+ - Positive input for reference clock signal
5. REFCLKIN- - Negative input for reference clock signal
6. XTALIN - Crystal oscillator input
7. XTALOUT - Crystal oscillator output
8. VDDPLL - PLL power supply
9. VDDO - Output power supply
10. OUT0+ - Positive output 0
11. OUT0- - Negative output 0
12. OUT1+ - Positive output 1
13. OUT1- - Negative output 1
14. OUT2+ - Positive output 2
15. OUT2- - Negative output 2
16. OUT3+ - Positive output 3
17. OUT3- - Negative output 3
18. OUT4+ - Positive output 4
19. OUT4- - Negative output 4
20. OUT5+ - Positive output 5
21. OUT5- - Negative output 5
22. OUT6+ - Positive output 6
23. OUT6- - Negative output 6
24. OUT7+ - Positive output 7
25. OUT7- - Negative output 7
26. OUT8+ - Positive output 8
27. OUT8- - Negative output 8
28. OUT9+ - Positive output 9
29. OUT9- - Negative output 9
30. NC - No connection
31. NC - No connection
32. GND - Ground

Functional Features

The CDCM7005HFG/EM offers several functional features that make it a versatile clock generation and distribution solution:

1. Frequency Generation: The IC can generate precise clock signals with a wide frequency range, catering to various system requirements.
2. Phase-Locked Loop (PLL): The built-in PLL ensures stable and accurate clock generation by synchronizing the output frequency with the input reference signal.
3. Output Configuration: The device supports multiple output formats, including LVPECL, LVDS, HCSL, and CMOS, allowing compatibility with different circuit designs.
4. Flexible Output Options: With 10 differential or 20 single-ended outputs, the CDCM7005HFG/EM offers flexibility in connecting to various components within a system.
5. Low Jitter Performance: The IC exhibits low jitter characteristics, ensuring reliable and precise timing for critical applications.

Advantages and Disadvantages

Advantages

• High precision clock generation
• Wide frequency range support
• Flexible output configuration
• Low jitter performance
• Compact package size

Disadvantages

• Limited number of outputs compared to some alternative models
• Requires external crystal oscillator for reference clock input

Working Principles

The CDCM7005HFG/EM operates based on the principle of phase-locked loop (PLL) technology. It takes an external reference clock signal and uses the PLL to generate highly accurate and synchronized clock signals. The PLL continuously