EPM7256BQI208-7 - High-Speed CPLD with 256 Macrocells | Altera

The EPM7256BQI208-7 from Altera is a cutting-edge Complex Programmable Logic Device (CPLD) engineered for high-speed embedded applications. With an impressive 7.5ns maximum propagation delay and 256 macrocells, this device delivers exceptional performance for real-time processing tasks. Its 2.375V to 2.625V operating voltage range ensures power efficiency, while the 5000-gate capacity provides ample resources for complex logic implementations. The 164 I/O pins offer extensive connectivity options, making it versatile for interfacing with various peripherals and communication protocols.

Designed for reliability in demanding environments, the EPM7256BQI208-7 operates across a -40 C to 85 C temperature range, suitable for industrial and automotive applications. The 208-PQFP package (28x28mm) enables compact surface-mount integration, while In-System Programmability (ISP) allows for field updates without physical removal. These features combine to create a flexible, high-performance solution for modern digital designs.

The device's architecture includes 16 logic blocks, each containing 16 macrocells, providing a balanced structure for both combinatorial and sequential logic implementations. With 5ns pin-to-pin logic delays and clock speeds up to 175MHz, it outperforms many competing CPLDs in its class. The EPM7256BQI208-7 also features advanced power management, with typical standby current below 100 A, making it ideal for battery-powered applications.

Typical applications include industrial control systems, automotive electronics, medical devices, and communication equipment. Its ability to implement complex state machines, bus interfaces (such as SPI, I2C), and glue logic makes it particularly valuable in system integration. The device's robust EEPROM-based configuration retains programming through power cycles, ensuring reliable operation in critical systems.

For developers seeking a proven, high-performance CPLD solution, the EPM7256BQI208-7 represents an optimal balance of speed, density, and power efficiency. Altera's development tools, including Quartus II software, provide comprehensive support for design implementation and verification. With its active product status and industry-standard package, this CPLD continues to be a preferred choice for new and existing embedded system designs requiring programmable logic solutions.