ATF1508AS-15AC100

Complex Programmable Logic Devices Overview

The ATF1508AS-15AC100 is a high-performance, high-density electrically-erasable complex programmable logic device (CPLD) manufactured by Microchip Technology. It features 128 macrocells with up to 100 inputs and supports registered operation up to 125 MHz. The device offers a maximum pin-to-pin delay of 15 ns and operates within a commercial temperature range of 0°C to +70°C. It utilizes a 100-lead TQFP package and supports both 3.3V and 5.0V I/O configurations via separate VCCINT and VCCIO power supplies.

Complex Programmable Logic Devices Feature Summary

• 128 Macrocells with flexible D/T/Latch configured flip-flops and global/individual register control signals
• In-System Programmability (ISP) via JTAG interface supporting IEEE Std. 1149.1
• Enhanced routing switch matrices with global bus and regional foldback bus for efficient logic implementation
• Advanced power management including automatic standby mode and optional pin-controlled power-down

Complex Programmable Logic Devices Applications

• Integration of TTL, SSI, MSI, LSI, and classic PLD logic functions
• PCI-compliant interface designs requiring high current drivers
• Boundary-scan testing applications using JTAG BST modes
• Complex logic systems requiring fast registered input from product terms

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'AC100' against official Microchip documentation to confirm the exact package type, temperature grade, and environmental compliance status. Ensure design files account for the commercial temperature range limits and power supply requirements for VCCINT and VCCIO pins.

Complex Programmable Logic Devices Selection Notes

Select this component when 128 macrocells and 100 I/O pins are required in a 100-lead TQFP package. Consider the 15 ns propagation delay for timing constraints. Verify compatibility with 3.3V or 5.0V I/O levels, noting that VCCINT must always be connected to 5.0V while VCCIO can vary.

Complex Programmable Logic Devices Part Context

This part belongs to the ATF1508AS family of EEPLDs, which utilize Atmel's proven electrically-erasable technology. The family includes variants with different speeds, packages, and temperature ranges, sharing core features like ISP capability and enhanced routing resources.

Complex Programmable Logic Devices Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.