AT83C24B-PRRUL

Specialized Overview

The AT83C24B-PRRUL is a smart card reader interface IC designed for EFT/POS terminals and set-top boxes. It features an integrated high-efficiency step-up DC/DC converter with 80 to 98% efficiency, supporting extended voltage operation from 3V to 5.5V. The device complies with ISO 7816, EMV2000, GIE-CB, GSM, and WHQL standards, offering programmable card voltages of 5V ±5%, 3V ±0.2V, or 1.8V ±0.14V. It includes a Two-Wire Interface (TWI) allowing up to eight devices on one bus, 8kV+ ESD protection, and low power consumption with a typical power-down current of 30 µA.

Specialized Feature Summary

• Compliance with major smart card standards including ISO 7816 and EMV2000
• Integrated high-efficiency step-up DC/DC converter for low-power applications
• Programmable TWI address enabling multi-device parallel connections
• Robust protection system with 8kV+ ESD tolerance and short circuit limitation

Specialized Applications

• EFT/POS terminals
• Set-top boxes
• Smart card reader/writer systems

Specialized Procurement Notes

Verify the specific suffix PRRUL against official Microchip documentation to confirm package type and temperature range. Ensure the ordering code matches the required industrial temperature specifications and physical footprint before procurement.

Specialized Selection Notes

Select this component for applications requiring strict compliance with EMV2000 and ISO 7816 standards. Consider the integrated DC/DC converter for space-constrained designs where external power management components are undesirable. Verify TWI address configuration requirements if multiple units are used in parallel.

Specialized Part Context

The AT83C24 series serves as a dedicated interface solution for managing smart card operations in consumer electronics. It bridges host microcontrollers with smart cards, handling complex activation sequences and power regulation internally to simplify system design.

Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.