ATF20V8B-15JC

Overview

The ATF20V8B-15JC is a high-performance Electrically Erasable Programmable Logic Device (EEPLD) manufactured by Microchip Technology. It utilizes CMOS Flash memory technology and features 8 macrocells with 20 I/O pins in a 28-lead PLCC package. The device operates at a maximum propagation delay of 15 ns, supporting a maximum frequency of 45 MHz for external feedback configurations. It functions within a commercial temperature range of 0°C to 70°C with a 5V ± 5% power supply.

Feature Summary

• Emulates many 24-pin PALs via Registered, Complex, and Simple modes
• Advanced Flash Technology allows reprogramming with 100 erase/write cycles
• CMOS and TTL compatible inputs and outputs with internal pull-up resistors
• 200 mA latchup immunity and 2,000V ESD protection

Applications

• Direct replacement for 20R8 family and most 24-pin combinatorial PLDs
• State machine initialization using power-up reset feature
• Logic functions requiring registered or combinatorial output configurations

Procurement Notes

Verify the ordering code matches the specific speed grade and package type required for the application. Confirm that the commercial temperature range (0°C to 70°C) meets system environmental requirements. Ensure programming hardware supports the ATF20V8B architecture for reliable configuration.

Selection Notes

Select this component when an industry-standard 24-pin PAL replacement is needed with reprogrammability. Choose the -15JC variant for a balance of 15 ns speed and PLCC surface-mount packaging. Consider lower power variants like BQL if current consumption is a critical constraint.

Part Context

This part belongs to the ATF20V8B series of high-speed EEPLDs. It shares architectural similarities with other members like the ATF20V8B-10JC but offers a slower 15 ns speed grade compared to the 7.5 ns or 10 ns options. The 'C' suffix indicates the commercial temperature rating.

Replacement Considerations

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