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83940DY-01LF
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83940DY-01LF Description
83940DY-01LF Description
The 83940DY-01LF is a fanout buffer (distribution) IC designed for high-performance clock distribution applications. Manufactured by Renesas Electronics Corporation, this IC is part of the clock buffers and drivers category. It offers a 2:18 input-to-output ratio, making it highly efficient for distributing clock signals across multiple channels. The device supports a wide range of input types, including CML, LVCMOS, LVPECL, LVTTL, and SSTL, and provides LVCMOS and LVTTL outputs, ensuring compatibility with various digital systems.
The 83940DY-01LF operates within a supply voltage range of 2.375V to 2.625V and 3.135V to 3.465V, and it can handle a maximum frequency of 250 MHz. This makes it suitable for high-speed applications where signal integrity and timing accuracy are critical. The IC is housed in a 32-pin TQFP package, which is ideal for surface mount applications, ensuring robust mechanical stability and excellent thermal performance.
83940DY-01LF Features
- Operating Temperature: 0°C to 70°C (TA), ensuring reliable performance across a broad temperature range.
- ECCN: 3A991A2, indicating compliance with export control regulations.
- Input-to-Output Ratio: 2:18, providing efficient signal distribution.
- Differential Input/Output: Supports differential signaling, enhancing signal integrity and reducing noise.
- Mounting Type: Surface Mount, suitable for automated assembly processes.
- Product Status: Obsolete, though still available for legacy systems.
- Type: Fanout Buffer (Distribution), ideal for clock signal distribution.
- Input Types: CML, LVCMOS, LVPECL, LVTTL, SSTL, offering versatility in interfacing with different digital systems.
- Output Types: LVCMOS, LVTTL, ensuring compatibility with a wide range of digital circuits.
- Supply Voltage: 2.375V to 2.625V and 3.135V to 3.465V, providing flexibility in power supply options.
- Frequency - Max: 250 MHz, suitable for high-speed applications.
- Moisture Sensitivity Level (MSL): Not Applicable, indicating no special handling requirements for moisture sensitivity.
83940DY-01LF Applications
The 83940DY-01LF is ideal for applications requiring high-speed clock distribution, such as:
- Telecommunications: Distributing clock signals in high-speed communication systems.
- Networking: Ensuring accurate timing in network infrastructure equipment.
- Data Centers: Providing reliable clock distribution in server and storage systems.
- Industrial Automation: Enhancing signal integrity in industrial control systems.
- Consumer Electronics: Distributing clock signals in high-performance consumer devices.
Conclusion of 83940DY-01LF
The 83940DY-01LF from Renesas Electronics Corporation is a versatile and high-performance fanout buffer IC. Its ability to distribute clock signals across multiple channels with high accuracy and low noise makes it an excellent choice for a variety of high-speed applications. Despite being marked as obsolete, the 83940DY-01LF remains a reliable option for legacy systems and new designs requiring robust clock distribution. Its wide range of input and output types, combined with its high-frequency performance and surface mount packaging, ensures it meets the stringent requirements of modern digital systems.



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