ATF22LV10C-15PI

Overview

The ATF22LV10C-15PI is a high-performance, low-voltage Electrically Erasable Programmable Logic Device (EEPLD) manufactured by Microchip Technology. It features 10 macrocells and supports up to 12 inputs and 10 I/Os in a 24-pin PDIP package. The device operates within a 3.0V to 5.5V supply range and delivers a maximum propagation delay of 15ns. Key specifications include a typical standby power consumption of 10µA in power-down mode, industrial temperature operation from -40°C to +85°C, and compatibility with CMOS and TTL logic levels.

Feature Summary

• Low-voltage operation with a 3.0V to 5.5V supply range
• User-controlled power-down pin option for zero standby power (10µA typical)
• 10 Macrocells with variable product term architecture (8 to 16 terms per output)
• CMOS and TTL compatible inputs and outputs with 5V tolerant I/O pins

Applications

• Glue logic for 3.3V systems
• DMA control circuits
• State machine control
• Graphics processing

Procurement Notes

Verify the specific ordering suffix 'PI' corresponds to the 24-lead Plastic Dual In-line Package (PDIP) and Industrial temperature range (-40°C to +85°C). Confirm RoHS compliance status as lead-based packages are noted as obsolete for new designs. Ensure programming hardware supports the JEDEC file format generated for the Power-down Mode compiler setting if that feature is utilized.

Selection Notes

Select the ATF22LV10C-15PI when a 15ns maximum propagation delay is sufficient for the application timing requirements. This model is appropriate for designs requiring a user-controllable power-down feature via the PD pin. Compare against the ATF22LV10CQZ series if edge-sensing standby power (3µA typical) or surface-mount packaging is preferred instead of through-hole DIP.

Part Context

This component belongs to the Atmel ATF22LV10C family of advanced low-voltage EEPLDs. It utilizes electrically erasable Flash memory technology, allowing for reprogrammability and high reliability. The device is designed to emulate standard 24-pin PAL devices while offering lower power dissipation and flexible configuration options including synchronous and asynchronous resets.

Replacement Considerations

The ATF22LV10C-15JI serves as the commercial temperature variant (0°C to 70°C) with identical electrical characteristics. For surface-mount replacements, consider the ATF22LV10C-15SI (SOIC) or ATF22LV10C-15XI (TSSOP). Higher speed variants such as the ATF22LV10C-10PI offer a 10ns delay but require verification of power and timing constraints.

FAQ

How does the power-down feature function?

When the programmable power-down (PD) pin is driven high, the device enters a low-power standby mode with typical current consumption of 10µA. Internal logic states and output data are latched, and input signals are blocked except for the PD pin.

What is the maximum operating frequency?

For the ATF22LV10C-15PI, the maximum external feedback frequency is 45.5 MHz, internal feedback frequency is 50 MHz, and no feedback frequency is 62.5 MHz.

Are the inputs 5V tolerant?

Yes, the ATF22LV10C features 5V tolerant inputs and outputs, allowing direct interfacing with 5V logic systems even when operating at lower supply voltages down to 3.0V.