ATF16V8CZ-15PI

Overview

The ATF16V8CZ-15PI is a high-performance Electrically Erasable CMOS Programmable Logic Device (EEPLD) manufactured by Microchip Technology. It utilizes Flash memory technology to provide reprogrammability with 100% test coverage and 2,000V ESD protection. The device features eight macrocells, each allocated eight product terms, supporting registered, complex, or simple logic configurations. Key electrical specifications include a maximum pin-to-pin propagation delay of 15 ns, a typical standby current of 5 µA, and operation over an industrial temperature range of -40°C to +85°C. It operates on a 5V supply (±10%) and is housed in a 20-lead Plastic Dual Inline Package (PDIP).

Feature Summary

• High-speed performance with 15 ns maximum propagation delay.
• Low-power architecture featuring 5 µA typical standby current.
• Reprogrammable via Electrically Erasable Flash memory technology.
• CMOS and TTL compatible inputs and outputs with pin-keeper circuits.

Applications

• Replacement for legacy 20-pin PAL devices such as the 16R8 family.
• Implementation of state machines requiring power-down modes.
• Complex digital logic functions in industrial control systems.

Procurement Notes

Verify that the specific ordering suffix 'PI' corresponds to the Industrial temperature range (-40°C to +85°C) and the PDIP package type as defined in the manufacturer's ordering guide. Confirm RoHS compliance status if required, noting that Green package options may carry different suffixes. Ensure programming equipment supports the ATF16V8CZ architecture for reliable fuse pattern verification and preload operations.

Selection Notes

Select this component when replacing standard PALs like the 16R8 or 16RP8 while requiring non-volatile reprogrammability. Choose the Industrial grade variant for environments operating between -40°C and +85°C. Consider the 15 ns speed grade for applications requiring moderate switching speeds with low standby power consumption. Ensure the design accommodates the 5V ±10% supply voltage requirement.

Part Context

This part belongs to the ATF16V8CZ series of EEPLDs, which supersede earlier ATF16V8C models. The 'Z' suffix indicates the use of Atmel/Microchip's Flash memory technology, offering infinite rewrite cycles compared to EPROM alternatives. The series provides architectural compatibility with various GAL and PAL families through configurable macrocell modes.

Replacement Considerations

Direct functional replacements include other ATF16V8CZ variants with different speed grades or packages, such as ATF16V8CZ-12PI or ATF16V8CZ-15PC. Legacy PAL devices like the GAL16V8 can be functionally emulated using the appropriate compiler mode settings within the ATF16V8CZ architecture.