EPM7032BUC49-3 CPLD - High-Speed 32-Macrocell Programmable Logic Device | Intel (Altera)
The EPM7032BUC49-3 is a high-performance Complex Programmable Logic Device (CPLD) manufactured by Altera, now part of Intel. This device is designed for applications requiring fast signal processing and flexible logic implementation. With 32 macrocells, a maximum propagation delay of just 3.5ns, and 36 I/O pins, this CPLD delivers exceptional performance for digital systems. The EPM7032BUC49-3 operates on a 2.5V internal supply voltage and features in-system programmability (ISP), allowing for easy updates without removing the device from the circuit board. Its compact 49-UBGA (7x7) package makes it suitable for space-constrained designs while maintaining robust thermal and electrical characteristics.
Key specifications of the EPM7032BUC49-3 include two logic blocks, 600 equivalent gates, and support for operating temperatures ranging from 0 C to 70 C. The device's architecture enables efficient implementation of complex logic functions, making it ideal for state machine designs, address decoding, and high-speed control applications. Despite being marked as obsolete by the manufacturer, the EPM7032BUC49-3 remains popular for legacy system maintenance and specific industrial applications where its proven reliability and performance are valued.
The EPM7032BUC49-3 stands out for its excellent speed-power ratio. The 3.5ns maximum delay ensures quick response times for critical applications, while the low-voltage operation helps minimize power consumption. Designers appreciate the device's predictable timing characteristics, which simplify system integration. The 36 I/O pins provide ample connectivity options for interfacing with various peripherals and system components. These features combine to make this CPLD a versatile solution for both prototyping and production implementations across multiple industries.
This CPLD finds extensive application in telecommunications equipment, automotive electronics, industrial control systems, and consumer products. In telecom, it's used for protocol conversion and signal processing. Automotive systems benefit from its reliability in sensor interfacing and control unit implementations. Industrial applications include machinery control and real-time monitoring systems. The device's reprogrammability makes it particularly valuable for field upgrades and design iterations. When paired with modern development tools like Quartus II (with legacy support), the EPM7032BUC49-3 offers a cost-effective solution for medium-complexity digital designs.
For engineers seeking a proven, high-performance CPLD solution, the EPM7032BUC49-3 represents an excellent balance of speed, density, and reliability. Its combination of 32 macrocells, fast 3.5ns performance, and flexible I/O configuration addresses a wide range of digital design challenges. While newer devices may offer higher densities, the EPM7032BUC49-3 continues to serve important roles in maintenance of existing systems and new designs where its specific capabilities are required. The device's documentation, including detailed timing models and application notes, remains available from Intel (Altera), supporting ongoing design and troubleshooting efforts.
