MC68EC040RC33A

The MC68EC040RC33A is a single‑core 32‑bit microprocessor in the MC68EC040 series, featuring a 68040 core running at 33 MHz. Designed for embedded applications, this device provides a standardized 5 V I/O interface and a 179‑pin BEPGA through‑hole package (47.24 × 47.24 mm) for board‑level integration and legacy platform support.

With an industrial‑compatible operating range and a serial communication interface (SCI), the MC68EC040RC33A serves designs that require a proven M680x0 architecture and physical package options suitable for repairable or socketed assemblies.

Key Features

• Core Architecture  The MC68EC040 core delivers a single 32‑bit processing core based on the 68040 family.
• Clock Speed  Rated for 33 MHz operation to match timing requirements of existing M680x0‑class systems.
• I/O Voltage  5 V I/O voltage for compatibility with legacy 5 V logic domains.
• Package & Mounting  179‑PGA (179‑BEPGA) package with dimensions 47.24 × 47.24 mm; through‑hole mounting supports socketed or serviceable board designs.
• Interfaces  Includes an SCI interface for serial communications and peripheral connectivity.
• Operating Conditions  Specified for operation from 0 °C to 70 °C to suit room‑temperature embedded environments.
• Compliance  RoHS compliant, meeting common environmental requirements for lead‑free assembly.
• MC68EC040 Series Note  The M68040 User’s Manual for the family notes that information concerning floating‑point and memory management should be disregarded for the MC68EC040 derivative, indicating these functions are not present in this variant.

Typical Applications

• Embedded Control Systems  A 32‑bit single‑core MCU option for embedded platform control where the M680x0 architecture is required.
• Legacy System Maintenance  Suitable for repair, refurbishment, and maintenance of existing M68040‑based boards and equipment that use a through‑hole PGA package.
• Board‑Level Development  Well‑suited to prototype and development boards that require a socketable 179‑pin PGA device and 5 V I/O domains.

Unique Advantages

• Proven 68040 Architecture: Provides a familiar single 32‑bit core for designs based on the M680x0 family, simplifying porting and legacy support.
• Socketable Through‑Hole Package: The 179‑PGA through‑hole form factor enables easy replacement and field serviceability for long‑life products.
• Direct 5 V I/O Compatibility: Native 5 V I/O reduces the need for level‑shifting in systems with legacy logic levels.
• Serial Interface Support: Built‑in SCI facilitates serial communications and integration with peripheral devices without adding external controllers.
• Regulatory Practicality: RoHS compliance supports lead‑free assembly requirements for contemporary production environments.

Why Choose MC68EC040RC33A?

The MC68EC040RC33A positions itself as a straightforward, compatible option for engineers maintaining or developing embedded systems that rely on the M680x0 architecture. Its 33 MHz 32‑bit core, 5 V I/O, and through‑hole 179‑PGA package provide predictable electrical and mechanical characteristics for board designs demanding socketed or serviceable processors.

Backed by the MC68040 family documentation and offered by NXP Semiconductors, this device is suited to teams focused on legacy platform continuity, field‑replaceable components, and embedded projects that require verified hardware behavior within the specified 0 °C to 70 °C operating range.

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