CPLD – Complex Programmable Logic Devices

EPM1270F256C4N – Altera MAX® II CPLD – 1270 Logic Elements – 3.3V Operation

Optimize your embedded designs with the Altera EPM1270F256C4N Complex Programmable Logic Device (CPLD), delivering flexible logic integration and rapid signal processing. This surface-mount IC features in-system programmability for field updates, low 6.2ns propagation delays for time-critical applications, and broad voltage compatibility—ideal for upgrading legacy systems or developing new industrial electronics. PCX ensures authentic Altera components with same-day shipping and technical support.

Key Features

• High-Density Logic: 1270 logic elements & 980 macrocells for complex operations
• Ultra-Fast Performance: 6.2ns maximum propagation delay
• Dual Voltage Support: Operates at 2.5V or 3.3V internal supply
• Extended Temperature Range: 0°C to 85°C (TJ) industrial operation
• Ample Connectivity: 212 I/O pins in compact 256-FBGA package
• In-System Programmable (ISP): Enables field reconfiguration

Technical Specifications

The EPM1270F256C4N belongs to Altera’s MAX® II series, featuring non-volatile memory architecture with instant-on capability. This CPLD utilizes a 256-ball FineLine BGA package (17x17mm) for space-constrained designs. Its deterministic timing and low standby current (typically 25µA) ensure reliable performance in power-sensitive applications. The device supports JTAG boundary-scan testing for simplified debugging. Download Full Datasheet

Common Applications

• Industrial control system interface bridging
• Communications protocol conversion
• Medical device control logic
• Automotive sensor management systems
• Legacy equipment modernization

About Altera

Altera, now an Intel company, pioneered programmable logic solutions with over three decades of innovation. Renowned for their MAX® and Cyclone® series, Altera devices set industry benchmarks for power efficiency and design flexibility. Their CPLDs and FPGAs undergo rigorous military-grade validation, ensuring resilience in extreme environments.

Altera’s Quartus® development software ecosystem provides comprehensive design tools, from schematic entry to timing analysis. This commitment to integrated hardware-software solutions has made Altera the preferred choice for aerospace, telecommunications, and mission-critical infrastructure worldwide. PCX exclusively sources authentic Altera components with full traceability.

About CPLDs

Complex Programmable Logic Devices (CPLDs) bridge the gap between discrete logic ICs and high-density FPGAs. They provide instant-on, non-volatile configuration with deterministic timing—critical for control-oriented applications like bus interfacing, state machines, and glue logic. Unlike processors, CPLDs execute operations in parallel, enabling nanosecond-level response times for real-time systems.

Modern CPLDs like the MAX® II series incorporate advanced features such as user flash memory, clock management, and hardened IP blocks. Their reprogrammability allows design iterations without hardware changes, significantly reducing development cycles. For embedded engineers, CPLDs remain indispensable for I/O expansion, protocol bridging, and system initialization tasks across industrial, automotive, and consumer markets.

Packaging

Available in protective manufacturing trays for automated assembly. Contact PCX for reel packaging customization options.

Frequently Asked Questions

Question: Is this CPLD compatible with 5V systems?
Answer: While the core operates at 2.5V/3.3V, its I/O banks support 5V-tolerant inputs with appropriate series resistors.

Question: What development tools support the EPM1270F256C4N?
Answer: Use Altera’s Quartus® II software (v9.1 or later) with MAX® II device support. Free web edition available.

Question: Does this CPLD retain configuration without power?
Answer: Yes, it features non-volatile configuration memory that loads instantly at power-up.

Question: Can I reprogram it after surface-mounting?
Answer: Absolutely. The in-system programmability (ISP) allows updates via JTAG interface without desoldering.

Question: What is the typical power consumption?
Answer: Standby current is 25µA (typical), with dynamic consumption dependent on clock frequency and logic utilization.

Question: How does MAX® II differ from earlier MAX families?
Answer: MAX® II uses a FPGA-optimized architecture with 4x higher logic density and 50% lower power than previous generations.

Product images are representational. Refer to datasheet for exact dimensions.

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