SEC1100-A5-02-TR

Specialized Overview

The SEC1100-A5-02-TR is a single-chip Smart Card bridge to USB and UART interfaces manufactured by Microchip Technology. It operates within a supply voltage range of 3.0 V to 5.5 V and supports Full-Speed (12 Mbps) USB communication compliant with the USB 2.0 Specification. The device integrates an enhanced 8051 microcontroller with a maximum clock speed of 16 MHz, featuring 16 KB OTP ROM and 1.5 KB RAM. It provides one Smart Card interface supporting ISO/IEC 7816, EMV, and PC/SC standards, handling Class A, B, C, and AB cards. The component is housed in a 16-pin QFN package measuring 5x5 mm.

Specialized Feature Summary

• Integrates an enhanced 8051 processor with reduced instruction cycle time and internal oscillator for simplified design.
• Provides full compliance with ISO/IEC 7816, EMV, and PC/SC standards for versatile smart card protocol support.
• Includes integrated USB device controller with programmable endpoint buffers and self-clocking capabilities.
• Features automatic card deactivation and ESD protection on card pins for robust operation.

Specialized Applications

• USB-based 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 temperature range and packaging configuration. Confirm that the component meets RoHS compliance requirements as specified in the product datasheet. Cross-reference the part number with authorized distributors to validate authenticity and current availability status before procurement.

Specialized Selection Notes

Select this component when a single-chip solution bridging smart cards to USB or UART interfaces is required. Ensure the application supports the 3.0 V to 5.5 V supply input range and utilizes the 16-pin QFN package format. Verify compatibility with the integrated 8051 processor architecture and available memory resources for firmware implementation.

Specialized Part Context

The SEC1100 belongs to the SEC1100/SEC1200 family of smart card bridges developed by SMSC, now part of Microchip Technology. This series enables secure communication and data processing for smart card applications across various host interfaces. The SEC1100 specifically targets designs requiring a single smart card slot with USB connectivity.

Specialized Replacement Considerations

Consult the official datasheet for compatible alternatives within the SEC1100/SEC1200 family. Verify pinout and functional equivalence before substituting with other smart card bridge controllers from different manufacturers.