ATF22V10C-7PX

Overview

The ATF22V10C-7PX is a high-performance Electronically Erasable Programmable Logic Device (EEPLD) manufactured by Microchip Technology. It features 10 macrocells, 10 I/O pins, and 10 inputs within a 24-pin PDIP package. The device operates at a maximum frequency of 166 MHz with a typical pin-to-pin propagation delay of 7.5 ns. It functions on a 5V supply voltage across a commercial temperature range of 0°C to +70°C. Key electrical characteristics include a standby power supply current of up to 130 mA and an output low voltage of 0.5 V under specified load conditions.

Feature Summary

• Utilizes advanced Flash technology for reprogrammability and 100% testing
• Features pin-controlled standby power mode reducing current to approximately 10 µA
• Includes internal input and I/O pin-keeper circuits to maintain logic states
• Supports asynchronous reset and synchronous preset functionality

Applications

• Glue logic for 5.0V systems
• DMA control interfaces
• State machine control
• Graphics processing acceleration

Procurement Notes

Verify the specific ordering suffix 'PX' corresponds to the 24-pin Plastic Dual Inline Package (PDIP). Confirm that the component meets RoHS compliance requirements if lead-free materials are necessary for the assembly process. Ensure the design file configuration matches the intended use of the Power-Down pin if that feature is required.

Selection Notes

Select this part when a commercial temperature range (0°C to +70°C) is sufficient for the application environment. Choose the ATF22V10C-7PX over faster variants like the -5JX if cost optimization is prioritized over the 5 ns delay specification. Ensure the system power budget accommodates the active supply current of up to 150 mA during clocked operations.

Part Context

This component belongs to the ATF22V10C series of high-speed EEPLDs. It maintains backward compatibility with Atmel ATF22V10B(Q) and AT22V10(L) devices. The architecture supports industry-standard programming tools and offers a robust solution for replacing discrete logic gates in complex digital designs.

Replacement Considerations

Direct functional replacements include the ATF22V10C-5JX for higher speed or the ATF22V10C-10PU for industrial temperature ranges. Verify package compatibility when substituting with other PDIP variants within the same family.

FAQ

How does the pin-keeper circuit function?

The internal pin-keeper circuits act as weak feedback inverters that hold the previous logic state of input and I/O pins, preventing them from floating to indeterminate levels and reducing system power consumption.

What is the purpose of the Power-Down (PD) pin?

When driven high, the PD pin reduces the supply current to less than 100 µA. During this mode, all output data and internal logic states are latched and held while input signals are blocked.

Can the registers be initialized to a specific state?

Yes, the registers support preload functionality, allowing each register to be loaded with either a high or low state via the programming software to simplify test sequencing.