ATF750CL-15JU: High-Speed CPLD for Flexible Embedded Logic Design

In digital system design, programmable logic devices (PLDs) provide engineers with flexibility, faster prototyping, and reduced board complexity. The ATF750CL-15JU, part of Microchip’s ATF750 family, is a 15 ns CPLD designed to replace multiple discrete logic ICs with a single programmable device.

At DRex Electronics, we source CPLDs like the ATF750CL-15JU to help OEMs and enterprises ensure long-term supply continuity in industries where reliability and lifecycle support matter most.

Technical Overview of the ATF750CL-15JU

The ATF750CL-15JU is a CMOS-based, non-volatile Complex Programmable Logic Device (CPLD). It offers speed and flexibility, making it ideal for real-time embedded systems.

Key Specifications:

• Device Type: CPLD (Complex Programmable Logic Device)

• Logic Resources: 20 macrocells (10 dedicated + 10 buried macrocells)

• Propagation Delay: 15 ns (fast speed grade)

• Power Supply: 5V CMOS operation

• I/O Lines: Up to 22 programmable I/O pins

• Configuration: Flash-based, non-volatile — retains logic without external configuration memory

• Package: JU = 84-pin PLCC (Plastic Leaded Chip Carrier)

• Operating Temperature: Commercial and industrial versions available

For more advanced programmable solutions, explore our CPLDs, FPGAs, and SoCs.

Advantages of the ATF750CL-15JU

1. Fast Logic Evaluation – With a 15 ns delay, it ensures real-time signal handling.

2. Non-Volatile Design – Flash-based architecture allows instant-on operation.

3. Flexible Logic Architecture – Configurable macrocells for registered or combinatorial logic.

4. Low Power Consumption – Efficient CMOS technology supports energy-sensitive applications.

5. Board Simplification – Replaces multiple discrete TTL logic chips with one device.

Applications of the ATF750CL-15JU

The ATF750CL-15JU is widely adopted in industries where programmable logic flexibility and fast performance are needed:

• Telecommunications: Protocol bridging, switching logic, and I/O control

• Aerospace & Defense: Avionics subsystems, fault-tolerant logic, and mission-critical controllers

• Automotive: ECU signal processing, dashboard control, and safety logic circuits

• Industrial Automation: Robotics, PLCs, and motor controllers

• Consumer Electronics: I/O expansion, peripheral management, and glue logic

For more on mission-critical semiconductors, visit our page on Lattice Semiconductor solutions.

Why OEMs Choose CPLDs Like ATF750CL-15JU

• Legacy System Support: Many industrial and aerospace systems still depend on CPLDs.

• Ease of Use: Quicker to configure and simpler than large FPGAs.

• Cost-Effective: Reduces hardware complexity while lowering BOM costs.

• Reliable Lifecycle: Non-volatile memory ensures stable, long-term operation.

At DRex Electronics, we provide sourcing solutions for both legacy CPLDs and advanced programmable devices, ensuring quality and authenticity.

External Resources for Engineers

• Microchip ATF750 Family Overview – Datasheet and product details

• CPLD Basics – Introduction to CPLDs and their role in embedded systems

• CPLDs vs. FPGAs (Wikipedia) – Technical comparison

Final Thoughts

The ATF750CL-15JU is a fast, reliable, and non-volatile CPLD designed to deliver 15 ns propagation delay, instant-on operation, and flexible logic configuration. With its robust architecture and industrial-grade packaging, it remains a popular choice for telecom, aerospace, automotive, and industrial automation applications.

At DRex Electronics, we help OEMs and enterprises secure hard-to-find CPLDs like the ATF750CL-15JU, providing certified sourcing and global logistics support for mission-critical supply chains.