MPC941AE – 1:27 LVCMOS Fanout Buffer/Multiplexer – Renesas Electronics

This MPC941AE from Renesas Electronics is a high-performance clock buffer and multiplexer IC designed for precision timing distribution in complex electronic systems. As an obsolete component still critical for legacy designs, PCX ensures reliable access to this part with guaranteed stock and expedited shipping. Ideal for applications requiring low-jitter clock fanout, it supports seamless system upgrades or repairs.

Key Features

• Type: Fanout Buffer/Distribution with Multiplexer Function
• Input/Output Ratio: 1:27
• Max Frequency: 250 MHz
• Input Compatibility: LVCMOS, LVPECL Signals
• Output Type: LVCMOS
• Supply Voltage: 2.375V – 3.465V
• Operating Temperature: -40°C to +85°C
• Package: 48-TQFP (7x7mm Surface Mount)

Technical Details

The MPC941AE features a single-circuit architecture with flexible differential/CMOS inputs and 27 synchronized LVCMOS outputs, minimizing clock skew. Its wide voltage range (2.375V–3.465V) and industrial temperature tolerance (-40°C to +85°C) ensure stable operation in demanding environments. The device supports clock multiplexing for redundant timing sources, packaged in a space-efficient 48-TQFP format for high-density PCB layouts.

Typical Applications

• Telecommunications infrastructure equipment
• Enterprise networking switches and routers
• Industrial automation controllers
• Medical imaging systems
• Test and measurement instruments

About Renesas Electronics

Renesas Electronics Corporation is a globally recognized leader in advanced semiconductor solutions, renowned for innovation in microcontrollers, analog, power, and SoC products. With decades of expertise, Renesas drives technological evolution across automotive, industrial, and IoT sectors, consistently delivering high-reliability components trusted by top-tier manufacturers.

The company’s commitment to quality is evidenced by rigorous testing standards and industry-leading certifications. Renesas’ legacy components, like the MPC941AE, remain essential for long-lifecycle systems, reflecting their enduring design integrity and performance consistency in critical applications.

About Clock Buffers & Drivers

Clock buffers and drivers are fundamental ICs that distribute timing signals across multiple subsystems while maintaining signal integrity. They prevent clock degradation in complex circuits by amplifying and isolating the master clock source, reducing jitter and electromagnetic interference (EMI). These components are indispensable for synchronizing processors, memory arrays, and data converters.

In high-speed digital designs, precision clock distribution ensures error-free data transmission and system stability. Fanout buffers like the MPC941AE provide deterministic latency and phase coherence, making them vital for applications requiring strict timing accuracy, such as 5G base stations, server farms, and real-time control systems.

Packaging

Available in industry-standard tray packaging for automated assembly processes. Contact PCX for reel options or custom handling requirements.

Frequently Asked Questions

Q: Is the MPC941AE still usable despite being obsolete?
A: Yes. Obsolete parts remain functional and are commonly used for legacy system maintenance, repairs, and long-lifecycle products. PCX specializes in sourcing such components.

Q: Can this buffer drive both single-ended and differential clocks?
A: Yes. It accepts LVCMOS (single-ended) or LVPECL (differential) inputs while providing LVCMOS outputs.

Q: What is the typical propagation delay?
A: Refer to the datasheet (hosted on PCXCo.com) for detailed timing parameters under various conditions.

Q: Does PCX provide technical support for integration?
A: Absolutely. Our engineering team assists with datasheet interpretation, compatibility checks, and design troubleshooting.

Q: How does a clock multiplexer differ from a standard buffer?
A: Multiplexers allow switching between multiple input clocks, adding redundancy or operational flexibility without additional components.

Q: Are evaluation boards available for this IC?
A: While Renesas may have discontinued official kits, PCX can advise on compatible testing methodologies or alternative evaluation tools.

Note: Product images are representational. Refer to datasheets for exact specifications.

Order Today for Fast Delivery!

Secure limited stock of this specialized clock buffer – contact PCX now for immediate shipment and dedicated component lifecycle support!