SI5345C-A-GMR

Product Overview

Category

SI5345C-A-GMR belongs to the category of integrated circuits (ICs).

Use

It is primarily used for clock generation and distribution in various electronic systems.

Characteristics

• High-performance clock generator
• Flexible frequency synthesis and jitter attenuation capabilities
• Low phase noise
• Wide operating frequency range
• Programmable output formats
• Integrated EEPROM for configuration storage

Package

SI5345C-A-GMR is available in a small form factor package, such as QFN (Quad Flat No-Lead) or BGA (Ball Grid Array).

Essence

The essence of SI5345C-A-GMR lies in its ability to provide accurate and stable clock signals, ensuring proper synchronization and timing in electronic devices.

Packaging/Quantity

Typically, SI5345C-A-GMR is supplied in tape and reel packaging, with a quantity of several hundred units per reel.

Specifications

• Input frequency range: 1 kHz to 945 MHz
• Output frequency range: 1 Hz to 945 MHz
• Number of outputs: Up to 12
• Output formats: LVDS, LVPECL, HCSL, CMOS, CML
• Supply voltage: 3.3 V
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of SI5345C-A-GMR is as follows:

1. VDDA: Analog power supply
2. VDDD: Digital power supply
3. GND: Ground
4. XAXB: Differential input clock
5. XAXC: Differential input clock
6. XBXB: Differential input clock
7. XBXD: Differential input clock
8. XDXB: Differential input clock
9. XDXC: Differential input clock
10. XEXB: Differential input clock
11. XEXD: Differential input clock
12. XFXB: Differential input clock
13. XFXC: Differential input clock
14. XGXB: Differential input clock
15. XGXD: Differential input clock
16. CLKOUT0: Output clock 0
17. CLKOUT1: Output clock 1
18. CLKOUT2: Output clock 2
19. CLKOUT3: Output clock 3
20. CLKOUT4: Output clock 4
21. CLKOUT5: Output clock 5
22. CLKOUT6: Output clock 6
23. CLKOUT7: Output clock 7
24. CLKOUT8: Output clock 8
25. CLKOUT9: Output clock 9
26. CLKOUT10: Output clock 10
27. CLKOUT11: Output clock 11
28. SDA: I2C serial data
29. SCL: I2C serial clock

Functional Features

• Frequency synthesis: SI5345C-A-GMR can generate a wide range of output frequencies by synthesizing the input clock signal.
• Jitter attenuation: It reduces the phase noise and jitter in the generated clock signals, ensuring high-quality timing.
• Output format flexibility: The IC supports various output formats, allowing compatibility with different electronic systems.
• Programmability: The device can be programmed to meet specific requirements through an integrated EEPROM.

Advantages and Disadvantages

Advantages

• High-performance clock generation and distribution
• Wide operating frequency range
• Low phase noise and jitter
• Flexible output formats
• Programmable for customization

Disadvantages

• Requires proper configuration and programming for optimal performance
• Limited number of outputs (up to 12)

Working Principles

SI5345C-A-GMR operates by taking an input clock signal and using frequency synthesis techniques to generate multiple output clocks. It employs advanced algorithms to attenuate jitter and phase noise, ensuring accurate timing across the system. The IC's programmable features allow customization according to specific application requirements.

Detailed Application Field Plans

SI5345C-A-GMR finds applications in various electronic systems that require precise clock generation and distribution. Some of the key application fields include:

1. Telecommunications: Used in network switches, routers, and communication equipment for synchronization purposes.
2. Data centers: Enables accurate timing in servers, storage systems, and networking devices.
3. Industrial automation: Provides synchronized clocks for control systems, PLCs (Programmable Logic Controllers), and robotics.
4. Test and measurement: Ensures precise timing in oscilloscopes, spectrum analyzers, and other test equipment.
5. Broadcast and audio/video equipment: Used for synchronization in broadcast studios, video routers, and audio processing systems.

Detailed and Complete Alternative Models

1. SI5341C-A-GMR: Similar to SI5345C-A-GMR but with fewer output channels. 2