EPM7256AEFC100-7 CPLD | 256 Macrocells, 84 I/O Pins | Altera Programmable Logic Device
The EPM7256AEFC100-7 from Altera is a cutting-edge Complex Programmable Logic Device (CPLD) designed for high-performance digital applications. With its 256 macrocells and 84 configurable I/O pins, this IC delivers exceptional logic density and connectivity in a compact 100-FBGA package. The device operates at a fast 7.5ns propagation delay, making it suitable for time-critical applications. Its in-system programmability allows for field upgrades and design iterations without hardware changes. The 3.3V power supply requirement ensures compatibility with modern low-power systems while maintaining robust noise immunity. Engineers favor this CPLD for its balanced architecture that combines the flexibility of FPGAs with the deterministic timing of traditional PLDs.
At the heart of the EPM7256AEFC100-7 are 16 logic blocks containing 5000 equivalent gates. The device features advanced I/O capabilities including programmable slew rate and bus-hold circuitry. Its non-volatile EEPROM configuration memory retains programming even during power cycles. The CPLD supports JTAG boundary scan testing (IEEE Std. 1149.1) for simplified board-level testing. With 5V tolerant I/Os (when configured) and hot-socketing capability, it excels in mixed-voltage systems. The industrial temperature range (0 C to 70 C) ensures reliable operation across various environments. Altera's MAX+PLUS II and Quartus II development tools provide comprehensive support for design implementation and verification.
The EPM7256AEFC100-7 shines in applications requiring complex glue logic, interface bridging, and control functions. Its typical uses include:
- Telecommunication infrastructure equipment for protocol conversion
- Industrial automation systems implementing PLC logic
- Medical devices requiring precise timing control
- Automotive electronics for sensor interfacing
- Consumer electronics managing display controllers
Compared to alternatives, the EPM7256AEFC100-7 offers superior macrocell efficiency with dedicated product-term allocation. The architecture provides predictable performance regardless of design changes, unlike FPGA alternatives. Security features include programmable security bit protection against IP theft. Designers appreciate the CPLD's low standby current (typically 50 A) for power-sensitive applications. The 11 11mm FBGA package enables high-density PCB layouts while maintaining excellent thermal characteristics. Legacy designs benefit from pin-compatible migration options within Altera's MAX 7000AE series.
For engineers seeking reliable programmable logic, the EPM7256AEFC100-7 represents an optimal balance between capacity, performance, and power efficiency. Its mature architecture has been proven in thousands of designs across multiple industries. The combination of Altera's development ecosystem and the device's technical capabilities makes it a preferred choice for both prototyping and production implementations. When considering CPLD solutions, the EPM7256AEFC100-7 stands out for applications demanding medium complexity logic with strict timing requirements and operational reliability.
