CDCE421ARGER

Product Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator
• Characteristics: High-performance, low-jitter clock generator
• Package: 48-pin QFN package
• Essence: Provides precise clock signals for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.375V to 3.63V
• Output Frequency Range: 8kHz to 1.5GHz
• Number of Outputs: 4
• Output Types: LVPECL, LVDS, HCSL, or CMOS
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 100mA (typical)

Detailed Pin Configuration

The CDCE421ARGER features a 48-pin QFN package with the following pin configuration:

1. VDDA
2. VSSA
3. XIN
4. XOUT
5. GND
6. VDD
7. SDA
8. SCL
9. OE
10. CLK0_OUT
11. CLK1_OUT
12. CLK2_OUT
13. CLK3_OUT
14. VDDO
15. VSSO
16. CLK0_IN
17. CLK1_IN
18. CLK2_IN
19. CLK3_IN
20. REFCLKIN
21. VDDREF
22. VSSREF
23. PLL_VDD
24. PLL_GND
25. PLL_CLKFB
26. PLL_CLKIN
27. PLL_CLKOUT
28. PLL_SDA
29. PLL_SCL
30. PLL_LD
31. PLL_MUX
32. PLLREFSEL
33. PLLREFSEL
34. PLLREFSEL
35. PLLREFSEL
36. PLLREFSEL
37. PLLREFSEL
38. PLLREFSEL
39. PLLREFSEL
40. PLLREFSEL
41. PLLREFSEL
42. PLLREFSEL
43. PLLREFSEL
44. PLLREFSEL
45. PLLREFSEL
46. PLLREFSEL
47. PLLREFSEL
48. PLLREFSEL

Functional Features

• Provides precise clock signals for various applications
• Supports multiple output types (LVPECL, LVDS, HCSL, or CMOS)
• Low-jitter performance ensures accurate timing
• Flexible input and output frequency ranges
• Integrated phase-locked loop (PLL) for frequency synthesis
• I2C interface for easy configuration and control

Advantages and Disadvantages

Advantages: - High-performance clock generation - Wide range of output types - Low jitter for accurate timing - Flexible frequency range - Easy configuration and control through I2C interface

Disadvantages: - Limited number of outputs (4) - Requires external components for proper operation - Relatively high power consumption (100mA typical)

Working Principles

The CDCE421ARGER utilizes a phase-locked loop (PLL) to generate precise clock signals. The PLL takes an external reference clock and synthesizes it to produce the desired output frequencies. The integrated circuit provides flexibility in selecting the output type (LVPECL, LVDS, HCSL, or CMOS) and allows for fine-tuning of the output frequency within the specified range.

Detailed Application Field Plans

The CDCE421ARGER is widely used in various applications that require accurate clock signals. Some common application fields include:

1. Telecommunications: Used in network equipment, routers, and switches to synchronize data transmission.
2. Data Centers: Provides precise clock signals for servers, storage systems, and networking devices.
3. Test and Measurement: Used in oscilloscopes, signal generators, and other test equipment to ensure accurate timing.
4. Industrial Automation: Provides synchronized clock signals for PLCs (Programmable Logic Controllers) and other industrial control systems.
5. Audio/Video Equipment: Used in professional audio and video equipment to maintain synchronization between different components.

Detailed and Complete Alternative Models

1. CDCE421ARGERG4
2. CDCE421ARGZT
3. CDCE421RGZT
4. CDCE421RGZR
5. CDCE421RGZRG4

These alternative models offer similar functionality and can be considered as alternatives to the CDCE421ARGER. However, it is recommended to refer to the respective datasheets for detailed specifications and pin configurations before selecting an alternative model.

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