XC9536XL-7PCG44I

Complex Programmable Logic Devices Overview

The XC9536XL-7PCG44I is a Complex Programmable Logic Device (CPLD) from the AMD Xilinx XC9500XL family, housed in a 44-pin Plastic Quad Flat Package with no leads (PQFP). It features 36 macrocells and 1,600 usable gates organized into four function blocks. The device operates at a maximum system frequency of 125 MHz with a typical propagation delay of 7 ns. It utilizes Fast FLASH technology for non-volatile configuration, allowing for system-in-programmability (ISP) via JTAG. The component supports 5V tolerant I/O while operating at 3.3V or 2.5V core voltages.

Complex Programmable Logic Devices Feature Summary

• Fast FLASH non-volatile memory enables instant-on operation and ISP programming without external configuration devices.
• High performance with 7 ns max propagation delay and 125 MHz system frequency.
• 5V tolerant I/O pins compatible with 5V, 3.3V, and 2.5V signaling standards.
• Low power consumption optimized for 3.3V systems using advanced 0.35 micron CMOS technology.

Complex Programmable Logic Devices Applications

• Logic replacement for legacy TTL/CMOS circuits in industrial control systems.
• Address decoding and bus bridging in embedded computing architectures.
• State machine implementation for automated test equipment.
• Clock generation and distribution networks in communication hardware.

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'I' indicates the industrial temperature range (-40°C to +85°C) as per standard Xilinx naming conventions. Confirm the package type PQFP matches the required footprint on the PCB. Ensure the design tool suite supports the XC9500XL family for bitstream generation and JTAG programming. Check for RoHS compliance documentation if environmental regulations apply to the final assembly.

Complex Programmable Logic Devices Selection Notes

Select this model when non-volatile configuration is required to eliminate external PROMs. The 36 macrocell count suits moderate complexity logic functions. Compare against the XC9536VQG44AMM if a VQFP package is preferred over PQFP. Consider the XC9572XL series if higher gate counts (72 macrocells) are needed for future scalability. Verify voltage compatibility between the CPLD I/O and connected microcontrollers.

Complex Programmable Logic Devices Part Context

This component belongs to the XC9500XL series, an evolution of the original XC9500 FLASH CPLD line. It shares architectural similarities with the XC9536-10 but offers improved speed grades and lower power consumption due to the 0.35 micron process node. The XC9500XL family bridges the gap between simple PLDs and high-density FPGAs, offering deterministic timing and ease of use for discrete logic applications.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements include other variants within the XC9536XL family with different speed grades or packages, such as XC9536XL-10VQG44I. Cross-family substitution with the base XC9536 requires verification of configuration interface compatibility. Generic CPLDs from other manufacturers may require significant schematic and firmware modifications due to differences in macrocell architecture and I/O standards.