ATF16V8CZ-15XU

Overview

The ATF16V8CZ-15XU is a high-performance EECMOS programmable logic device from Microchip Technology, utilizing electrically-erasable Flash memory technology. It features a maximum pin-to-pin propagation delay of 15 ns and operates within an industrial temperature range of -40°C to +85°C. The device is housed in a 20-lead Plastic Thin Shrink Small Outline (TSSOP) package. It supports up to 100 erase/write cycles and offers low standby current consumption of typically 5 µA. The architecture allows emulation of various 20-pin PAL devices through configurable macrocells.

Feature Summary

• High-speed operation with 15 ns maximum propagation delay
• Low-power standby mode with 5 µA typical current consumption
• Industrial temperature range (-40°C to +85°C)
• Reprogrammable via Electrically-Erasable Flash memory

Applications

• Direct replacement for 16R8 family PLDs
• Combinatorial logic applications requiring output enable control
• Registered logic designs using CLK and OE pins

Procurement Notes

Verify the ordering suffix 'XU' corresponds to the TSSOP-20 package and Industrial temperature grade. Confirm RoHS compliance status as the datasheet indicates Green package options are available for this part number. Ensure programming tools support the specific Flash memory architecture for reliable erasure and writing cycles.

Selection Notes

Select this component when an industrial temperature range is required alongside surface-mount packaging. The 15 ns speed grade is suitable for systems operating up to 62 MHz with no feedback. Consider the Complex Mode configuration if output enable control is needed for combinatorial outputs, as this utilizes specific pin assignments distinct from Registered or Simple modes.

Part Context

This part belongs to the ATF16V8CZ series, which supersedes earlier ATF16V8C variants by offering Green (Pb/Halide-free/RoHS Compliant) package options. The 'Z' suffix denotes the use of Atmel's proven electrically-erasable Flash technology, providing reprogrammability without the need for UV erasure, unlike older EPROM-based PLDs.

Replacement Considerations

ATF16V8CZ-15XI serves as the leaded equivalent in the same speed and temperature grade but uses different packages (PLCC/PDIP/SOIC). For commercial temperature ranges, ATF16V8CZ-15JU or ATF16V8CZ-15PU may be considered if thermal constraints allow.