21281CB

Overview

The Altera 21281CB is a high-performance Field Programmable Gate Array (FPGA) belonging to the Stratix II device family. This component integrates advanced logic array blocks, embedded memory resources, and dedicated DSP blocks to support complex digital signal processing and system-level integration tasks. It features high-speed transceivers for serial communication applications and supports multiple I/O standards for flexible peripheral interfacing. The device architecture includes robust clock management tiles and configuration options suitable for demanding industrial and telecommunications environments.

Feature Summary

• Integrates high-density logic resources with embedded memory blocks for complex data handling
• Includes dedicated digital signal processing blocks for efficient arithmetic operations
• Supports high-speed serial communication through integrated transceiver interfaces
• Features comprehensive clock management capabilities for precise timing control

Applications

• Telecommunications infrastructure equipment
• Industrial automation and control systems
• Medical imaging systems
• Test and measurement instrumentation

Procurement Notes

Verify the specific suffix codes on the component marking against official Altera documentation to confirm package type, temperature range, and lead-free status. Ensure compatibility with Quartus Prime software versions supported by the Stratix II family before procurement. Cross-reference the full part number with manufacturer datasheets to validate pinout and electrical specifications for your specific design requirements.

Selection Notes

Select this component when high logic density and embedded DSP capabilities are required within a single FPGA fabric. Consider the Stratix II family characteristics regarding power consumption and thermal management during the initial design phase. Evaluate the available I/O standards and voltage levels to ensure seamless integration with existing system peripherals and memory interfaces.

Part Context

This part belongs to the Altera Stratix II family, representing a generation of FPGAs designed for mid-to-high performance applications. The family introduced significant improvements in logic density and embedded memory compared to previous generations. It serves as a bridge between lower-end Cyclone devices and higher-end Stratix III/IV families, offering a balance of cost and performance for various commercial and industrial applications.

Replacement Considerations

For direct replacements, consult the official Altera migration guide for the Stratix II family. Potential upgrades may include Stratix III or Stratix IV devices, depending on resource requirements. Verify pin-to-pin compatibility and software toolchain support before substituting with newer generation components.