MD82C284-8/B

Clock Generators, PLLs, Frequency Synthesizers Overview

The MD82C284-8/B is a high-speed CMOS ECL-compatible clock driver manufactured by Rochester Electronics. This component functions as an eight-bit buffer and line driver, designed to interface between low-voltage logic families and ECL systems. It provides simultaneous conversion from TTL or CMOS inputs to differential ECL outputs, ensuring signal integrity in high-frequency applications. The device supports data rates up to 80 MHz, making it suitable for demanding digital communication and processing environments requiring reliable clock distribution.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Provides eight-bit buffering and line driving capabilities
• Converts TTL or CMOS logic levels to ECL-compatible signals
• Supports high-speed operation up to 80 MHz
• Features differential ECL output configuration

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed clock distribution networks
• Data communication interfaces
• Digital signal processing systems
• Computer peripheral interconnects

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific manufacturing date code and lot traceability with the supplier prior to purchase. As a Rochester Electronics product, this item may be sourced from original manufacturer inventory or re-manufactured stock. Confirm that the package marking matches the requested part number exactly. Request documentation regarding the source of the silicon wafers and any applicable reliability test reports to ensure compliance with aerospace or industrial standards.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when interfacing standard logic families with ECL infrastructure is required. Ensure the system voltage requirements align with the specified operating range. Consider the thermal performance and board layout constraints associated with ECL circuits. Verify that the input logic levels are compatible with the driving source before integration into the design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

Rochester Electronics specializes in providing continuous supply solutions for obsolete and hard-to-find semiconductors. The MD82C284-8/B falls under their portfolio of legacy logic devices, often serving as a replacement for original National Semiconductor products. This category of components is critical for maintaining long-term production runs in industrial, military, and aerospace equipment where newer alternatives are not viable.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct substitutes include the original National Semiconductor DM82C284 or SN54H21J variants if pin compatibility is confirmed. Verify electrical characteristics such as propagation delay and output swing against the original design specifications. Ensure that any alternative device meets the same environmental and reliability qualifications required for the application.