The XC4036EX-4HQ304C is a powerful field-programmable gate array (FPGA) from Xilinx’s renowned XC4000E family, designed to deliver exceptional performance and flexibility for complex digital system implementations. This advanced programmable logic device combines high gate density with superior speed performance, making it an ideal choice for demanding applications across telecommunications, industrial automation, and embedded systems.
Product Specifications
Core Architecture
- Device Family: Xilinx XC4000E Series FPGA
- Gate Count: 36,000 system gates
- Logic Cells: 3,078 configurable logic blocks (CLBs)
- Process Technology: Advanced 0.35ฮผm CMOS technology
- Supply Voltage: 5V operation with TTL/CMOS compatibility
Package and Pin Configuration
- Package Type: 304-pin Heat Sink Plastic Quad Flat Pack (HSPQFP)
- Pin Count: 304 pins for maximum I/O capability
- Package Designation: HQ304 with Enhanced Package (EP) design
- Speed Grade: -4 (high-performance speed grade)
- Temperature Range: Commercial temperature range (0ยฐC to +85ยฐC)
Performance Characteristics
- Maximum System Clock: Up to 80 MHz synchronous operation
- Internal Performance: Exceeds 150 MHz for optimized paths
- I/O Standards: Compatible with TTL and CMOS logic levels
- Configuration: SRAM-based reconfigurable architecture
- Programming: Unlimited reprogramming capability
Advanced Features
- VersaRing I/O Interface: High logic cell to I/O ratio with up to 244 I/O signals
- Programmable Output Slew-Rate Control: Optimizes performance while reducing noise
- Zero Flip-Flop Hold Time: Simplifies system timing design
- Dedicated Carry Logic: Enhanced arithmetic operation performance
- On-chip RAM: Integrated memory blocks for data storage
- Boundary Scan: IEEE 1149.1 JTAG-compatible testing
Pricing Information
Current Market Pricing for XC4036EX-4HQ304C:
- Commercial quantities available through authorized distributors
- Pricing varies based on volume requirements and supplier
- Contact certified Xilinx distributors for current quotations
- Legacy device with specialized pricing due to mature product status
Note: As this is a mature product in Xilinx’s portfolio, availability may be limited. Contact authorized distributors for current stock levels and lead times.
Documents & Media
Technical Documentation
- Official Datasheet: XC4000E and XC4000X Series Field Programmable Gate Arrays (DS027)
- User Guide: XC4000E Family Architecture and Configuration Guide
- Application Notes: Design optimization and implementation guidelines
- Package Information: Mechanical drawings and thermal characteristics
- Pin-out Diagrams: Complete pin assignment and function descriptions
Design Resources
- FPGA Editor: Visual design entry and verification tools
- Timing Analysis: Comprehensive timing models and constraints
- Simulation Models: VHDL and Verilog behavioral models
- Reference Designs: Sample implementations and design examples
- Migration Guides: Upgrade paths to newer FPGA families
Development Tools Compatibility
- Legacy Software: Compatible with Xilinx Foundation and Alliance Series
- Current Tools: Limited support in newer Vivado Design Suite versions
- Programming: Xilinx iMPACT and legacy programming tools
Related Resources
Xilinx FPGA Ecosystem
- Development Boards: Evaluation platforms for prototyping
- Configuration Devices: XC1700 series PROMs for bitstream storage
- Programming Cables: JTAG and parallel programming interfaces
- IP Cores: Pre-verified intellectual property blocks
Alternative Solutions
- Modern Equivalents: Xilinx 7 Series and UltraScale+ families
- Pin-Compatible Options: Other XC4000E family devices
- Migration Path: Spartan and Kintex series for new designs
- Cost-Optimized Alternatives: Artix-7 for cost-sensitive applications
Technical Support
- Application Engineers: Expert design consultation services
- Online Resources: Technical forums and knowledge base
- Training Programs: FPGA design methodology courses
- Design Services: Third-party design and verification services
Industry Applications
- Telecommunications: Protocol processing and signal routing
- Industrial Control: Motor control and automation systems
- Medical Devices: Real-time signal processing applications
- Aerospace: Radiation-tolerant computing solutions
Environmental & Export Classifications
Environmental Compliance
- RoHS Compliance: Compliant with RoHS 2011/65/EU directive
- REACH Registration: Meets European chemical safety requirements
- Halogen-Free: Available in halogen-free package options
- Lead-Free: Compatible with lead-free soldering processes
Operating Conditions
- Operating Temperature: 0ยฐC to +85ยฐC (Commercial grade)
- Storage Temperature: -65ยฐC to +150ยฐC
- Relative Humidity: 95% non-condensing maximum
- Thermal Resistance: ฮธJA = 18ยฐC/W (with heat sink)
Export Control Classification
- ECCN Classification: 3A001.a.7 (US Export Administration Regulations)
- HTS Code: 8542.31.0001 (Harmonized Tariff Schedule)
- Export Restrictions: Standard commercial encryption limitations
- International Shipping: Available for export to most destinations
Quality and Reliability
- Quality Standard: ISO 9001:2015 certified manufacturing
- Reliability Testing: JEDEC-compliant stress testing
- Failure Rate: <10 FIT (Failures in Time) at rated conditions
- Package Integrity: Moisture sensitivity level 3 (MSL-3)
Packaging and Handling
- ESD Sensitivity: Class 1 electrostatic discharge sensitive
- Moisture Sensitivity: Level 3 – 168 hours at 30ยฐC/60% RH
- Storage Requirements: Dry pack shipping for optimal reliability
- Handling Precautions: Anti-static precautions required during assembly
About XC4036EX-4HQ304C: This legacy FPGA represents proven technology for applications requiring high reliability and long-term availability. While newer FPGA families offer enhanced performance and features, the XC4036EX-4HQ304C remains an excellent choice for maintaining existing designs and applications where specific pin compatibility or qualification requirements must be maintained.
For technical support, design consultation, or volume pricing information, contact your local Xilinx authorized distributor or field applications engineer.

