ATF22V10CQZ-20PC

Programmable Logic Device Pld Overview

The ATF22V10CQZ-20PC is a high-performance CMOS electrically erasable programmable logic device (PLD) manufactured by Microchip Technology. It features 12 inputs and 10 I/O macrocells with a maximum pin-to-pin propagation delay of 20 ns. The device operates at a supply voltage of 5 V ±10% within an industrial temperature range of -40°C to +85°C. It utilizes Flash memory technology, offering zero standby power via Input Transition Detection (ITD), with a typical standby current of 5 µA and a maximum of 120 µA. The package is a 24-pin Plastic Dual Inline Package (PDIP).

Programmable Logic Device Pld Feature Summary

• Zero Standby Power: Utilizes patented Input Transition Detection (ITD) circuitry to automatically power down when idle.
• High Reliability: Features 20-year data retention, 100 erase/write cycles, and 200mA latchup immunity.
• Flexible Architecture: Supports PAL, GAL, and Synario modes with 10 macrocells configurable as registered or combinatorial outputs.
• Latch Feature: Includes input latches to hold previous logic states during power-down.

Programmable Logic Device Pld Applications

• Replacement for legacy 22V10 family PLDs in industrial systems.
• State machine initialization requiring power-up reset functionality.
• Low-power digital logic applications utilizing zero standby power mode.

Programmable Logic Device Pld Procurement Notes

Verify the ordering suffix 'PC' corresponds to the 24-pin PDIP package and Industrial temperature grade (-40°C to +85°C). Confirm RoHS compliance status if required, as datasheet notes indicate transitions to green package options. Ensure programming hardware supports the specific Flash memory architecture and security fuse settings.

Programmable Logic Device Pld Selection Notes

Select this part for designs requiring 20 ns speed grade with industrial temperature coverage. Compare against ATF22V10CZ-20 variants; note that the CZ series is obsolete and replaced by the CQZ series. Ensure compiler tools are configured for the correct macrocell allocation (8-16 product terms per output) and verify power supply stability meets the 5V ±10% requirement.

Programmable Logic Device Pld Part Context

This component belongs to the ATF22V10CQZ family, which supersedes the older ATF22V10CZ series. The CQZ designation indicates the integration of low high-frequency ICC characteristics from the 'Q' design with the 'Z' zero-power feature. It is designed as a direct replacement for most 24-pin combinatorial PLDs and the generic 22V10 architecture.

Programmable Logic Device Pld Replacement Considerations

The ATF22V10CZ series is obsolete and replaced by the ATF22V10CQZ series. When replacing older devices, ensure the new CQZ variant meets the specific speed and temperature requirements. Verify that programming software supports the updated architecture and security fuse implementation.

Programmable Logic Device Pld FAQ

How does the device achieve zero standby power?

The device uses Atmel's patented Input Transition Detection (ITD) circuitry. When inputs are idle, the device automatically powers down to a zero standby mode, consuming only leakage current (typical 5 µA).

What is the function of the internal pin-keeper circuits?

Internal pin-keeper circuits on input and I/O pins eliminate static power consumed by pull-up resistors and maintain the last driven state when inputs are not externally driven, ensuring known logic states.

Can this device replace standard 22V10 PLDs?

Yes, the ATF22V10CQZ incorporates a superset of the generic 22V10 architecture, allowing it to directly replace most 24-pin combinatorial PLDs and 22V10 family members.