MC68306CEH16B

The MC68306CEH16B is an industrial-grade microprocessor IC integrating an EC000 32‑bit core running at 16 MHz with a rich set of on‑chip system peripherals. The device is tailored for embedded control and systems that require serial communications and DRAM support, offering a compact, high‑integration solution for space‑ and component‑constrained designs.

With integrated serial interfaces, a DRAM controller, timer resources and programmable system logic, the MC68306CEH16B reduces board-level component count while providing a reliable platform for industrial embedded applications operating across a wide temperature range.

Key Features

• Core  EC000 single 32‑bit core providing code compatibility with MC68000 and MC68EC000 architectures.
• Clock & Performance  Specified 16 MHz operation; documented EC000 performance characteristics include a high‑performance implementation (datasheet notes 2.4 MIPS for the EC000 core).
• Memory & DRAM Controller  On‑chip DRAM controller supporting multiple DRAM configurations; datasheet describes support up to 16 Mbytes with 4M×1 DRAMs and 64 Mbytes with 16M×1 DRAMs, programmable refresh timer and CAS‑before‑RAS refresh.
• Serial Interfaces  Integrated two‑channel DUART (dual universal synchronous/asynchronous receiver/transmitter) with baud rate generators and modem control functionality.
• Timers  Integrated 16‑bit timer/counter suitable for periodic interrupt generation and event counting.
• System Integration  Eight programmable chip‑select signals, programmable wait states, programmable interrupt controller and bus watchdog timer for robust system control.
• Bus Width & Addressing  24 address lines and 16 data lines for flexible memory and peripheral mapping within the EC000 address space.
• Power & Temperature  5 V I/O operation with industrial qualification and an operating temperature range of −40°C to 85°C.
• Package & Mounting  132‑pin PQFP (24.13 × 24.13 mm) surface‑mount package with bumpered package case option.
• Compliance  RoHS‑compliant manufacturing status.

Typical Applications

• Industrial Control  Embedded control systems that require a rugged, industrial‑qualified 32‑bit processor with integrated timers and interrupt control for deterministic operation.
• Serial Communications  Equipment requiring robust serial I/O and modem control using the integrated two‑channel DUART and baud rate generators.
• Memory‑Backed Embedded Systems  Applications that use external DRAM for program and data storage benefiting from the on‑chip DRAM controller and programmable refresh logic.
• General Embedded Computing  Compact systems needing MC68000‑class code compatibility and integrated peripheral functions to reduce BOM and board area.

Unique Advantages

• Highly integrated system on a single chip: Combines EC000 core, DUART, DRAM controller, timers and programmable chip selects to reduce external component count and board space.
• Code compatibility with established toolchains: EC000 core compatibility with MC68000/MC68EC000 simplifies software reuse and leverages existing development resources.
• Flexible memory support: On‑chip DRAM controller supports multiple DRAM densities and provides 0 wait‑state access to compatible DRAM devices, simplifying memory subsystem design.
• Industrial readiness: 5 V I/O and an operating range of −40°C to 85°C make the device suitable for industrial environments.
• Deterministic peripheral control: Programmable interrupt controller, watchdog timer and 16‑bit timer/counter provide robust control for real‑time embedded tasks.
• RoHS compliant: Manufactured to RoHS requirements, aiding regulatory and sustainability goals.

Why Choose MC68306CEH16B?

The MC68306CEH16B offers a balanced combination of EC000 32‑bit processing, integrated memory control, serial communications and system peripherals in a single 132‑pin PQFP package. Its industrial qualification, broad operating temperature range and RoHS compliance make it a practical choice for embedded designs that require reliable operation and reduced system complexity.

This device is well suited for engineers designing industrial controllers, communication modules and memory‑backed embedded systems who want to leverage MC68000‑class software ecosystems while minimizing external components and board footprint.

Request a quote or submit your purchase inquiry to receive pricing and availability information for the MC68306CEH16B. Our team can provide lead‑time details and support for integration into your next embedded design.