The MC100EP11DG is a high-performance clock buffer integrated circuit manufactured by AMI Semiconductor/onsemi, designed to address critical timing distribution challenges in high-speed digital systems. This specialized IC functions as a 1:2 fanout buffer, taking a single clock input and distributing it to two identical outputs while maintaining signal integrity and precise timing characteristics.
Operating within the clock/timing - clock buffers and drivers category, this device tackles the fundamental design challenge of distributing high-frequency clock signals across multiple circuit paths without introducing significant delay variations or signal degradation. The buffer architecture ensures that clock signals maintain their critical timing relationships while providing the necessary drive strength to support multiple loads in complex digital systems.
The device operates at frequencies up to 3 GHz with a supply voltage range of 3V to 5.5V, making it suitable for both 3.3V and 5V system architectures. The IC utilizes ECL (Emitter-Coupled Logic) and PECL (Positive Emitter-Coupled Logic) input and output standards, both featuring differential signaling to maximize noise immunity and signal integrity at high frequencies. The operating temperature range spans from -40°C to 85°C, ensuring reliable performance across industrial and commercial applications. The device is housed in an 8-SOIC (Small Outline Integrated Circuit) package measuring 0.154 inches (3.90mm) in width, designed for surface mount installation.
The primary advantages of this clock buffer include its exceptional high-frequency performance capability, low skew between outputs, and robust differential signaling that minimizes electromagnetic interference and crosstalk. The fanout buffer design provides impedance matching and signal conditioning, ensuring that the distributed clock signals maintain their quality and timing precision across the entire system. The wide supply voltage range offers design flexibility, while the compact SOIC package enables space-efficient PCB layouts.
This device demonstrates broad compatibility with ECL and PECL logic families, making it suitable for integration into existing high-speed digital designs. The differential input and output configuration ensures seamless interface with other high-performance timing components and processors that utilize similar signaling standards.
Primary application areas include high-speed data communication systems, network infrastructure equipment, test and measurement instruments, high-performance computing systems, and telecommunications equipment where precise clock distribution is critical. The device is particularly valuable in applications requiring clock signal distribution to multiple functional blocks while maintaining tight timing tolerances, such as in data converters, high-speed processors, and FPGA-based systems.
Equivalent and alternative models include the MC100EP11DTG in a different package variant, the MC100EP16DG offering 1:6 fanout capability, and the MC100EP14DG providing 1:4 distribution. Other manufacturers offer comparable solutions such as the Analog Devices ADCLK854 and ADCLK846 series, Maxim's MAX9382 and MAX9383 clock buffers, and Texas Instruments' SN65LVDS31 and SN65LVDS32 differential drivers. Micrel/Microchip provides alternatives with their SY100EP11V and SY100EP16V series, while Fairchild/ON Semiconductor offers the FIN1001 and FIN1002 high-speed buffers. These alternatives may vary in output count, frequency range, package options, and specific electrical characteristics, but serve similar clock distribution functions in high-speed digital systems.
MC100EP11DG Key Technical Attributes
MC100EP11DG
Fanout Buffer (Distribution)
MC100EP11DG Packing Size
8-SOIC (Small Outline Integrated Circuit) package with 0.154-inch (3.90mm) width, tube packaging
MC100EP11DG Application
The MC100EP11DG is used for high-speed clock distribution and signal fanout in applications such as digital communication systems, network processors, switching equipment, and telecom infrastructure. Its ability to handle frequencies up to 3 GHz makes it ideal for performance-critical timing and data synchronization tasks in advanced electronic designs.
MC100EP11DG Features
This device functions as a 1:2 clock buffer, capable of receiving and distributing high-frequency clocks up to 3 GHz. It supports differential ECL (Emitter Coupled Logic) and PECL (Positive ECL) signaling, both at the input and output, ensuring precise signal integrity and minimal jitter. Surface mount design and an 8-SOIC package facilitate PCB layout and dense circuit integration. The device operates reliably over a wide supply voltage range from 3V to 5.5V and provides robust performance in industrial environments with an operating temperature range of -40°C to +85°C. Low propagation delay, minimal skew between channels, and controlled output drive further enhance its suitability for high-speed, low-noise environments. It is RoHS3 compliant, ensuring it meets global environmental and safety requirements.
MC100EP11DG Quality and Safety Features
RoHS3 compliance ensures environmentally-responsible manufacturing and the absence of hazardous substances. The device is constructed with advanced fabrication processes for reliability over extended temperature extremes, and its robust ECL/PECL architecture supports high immunity to noise and excellent signal fidelity. Strict electrostatic discharge (ESD) and latch-up testing are standard for enhanced durability.
MC100EP11DG Compatibility
The MC100EP11DG is fully compatible with ECL and PECL logic families and is a direct drop-in for systems utilizing the 100EP series standards. Its standard 8-SOIC footprint aligns with common board designs in the industry, simplifying the replacement and upgrading process across various equipment types.
MC100EP11DG Datasheet PDF
Our website hosts the most authoritative and up-to-date datasheet for the MC100EP11DG. Customers are strongly encouraged to download the complete PDF from this page for comprehensive technical details, electrical characteristics, recommended operating conditions, and application guidance.
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