SEC1100-A5-02NC-TR

Specialized Overview

The SEC1100-A5-02NC-TR is a single-chip Smart Card bridge to Full-Speed USB, SPI, and UART interfaces. It features an enhanced 8051 microcontroller with 16 KB OTP ROM and 1.5 KB RAM. The device supports ISO/IEC 7816, EMV, and PC/SC standards for one Smart Card interface. It operates on a 3.0 V to 5.5 V supply input with 5.0 V tolerant IO pins. The package is a 16-pin QFN (5x5 mm) operating from 0°C to +70°C.

Specialized Feature Summary

• Provides a single-chip solution bridging Smart Card interfaces to USB, SPI, and UART.
• Fully compliant with ISO/IEC 7816, EMV, and PC/SC standards.
• Supports Class A, B, C, and AB Smart Cards with integrated power regulation.
• Includes an enhanced 8051 processor with 16 MHz max clock speed.

Specialized Applications

• USB Smart Card readers
• SPI-based Smart Card readers
• UART-based Smart Card readers

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type, temperature range, and environmental compliance status. Confirm that the component meets all necessary regulatory requirements for the intended deployment environment before finalizing procurement decisions.

Specialized Selection Notes

Select this component when a single-chip bridge between Smart Card and USB/SPI/UART is required. Ensure the application utilizes the supported voltage range of 3.0 V to 5.5 V. Verify that the 16-pin QFN package dimensions fit the target PCB layout constraints.

Specialized Part Context

This part belongs to the SEC1100/SEC1200 family of Smart Card bridges manufactured by Microchip Technology (formerly SMSC). The SEC1100 variant specifically provides one Smart Card interface, distinguishing it from the dual-interface SEC1200 models within the same product line.

Specialized Replacement Considerations

Consult official substitution lists for compatible components. Verify pinout compatibility and electrical specifications before replacing existing designs with alternative parts.

Specialized FAQ

Does the SEC1100 support both T=0 and T=1 protocols?

Yes, the device provides full support for both T=0 and T=1 protocols.

What is the maximum ETU rate supported by the SEC1100?

The device supports versatile ETU rate generation up to 826 Kbps.

Is an external crystal required for the SEC1100?

No, the device features a self-clocking internal oscillator and does not require an external crystal.