The MAX1840EUB from Analog Devices Inc./Maxim Integrated is a specialized interface IC designed for smart card applications, offering robust performance in a compact 10µMAX package. Operating within a dual-voltage range (1.4V–5.5V and 1.7V–5.5V), it supports flexible power supply configurations, making it suitable for diverse embedded systems. The device features MICROWIRE™, QSPI™, and SPI™ serial interfaces, ensuring seamless communication with host controllers. Although marked Obsolete, its design remains relevant for legacy systems requiring reliable smart card interfacing.
The MAX1840EUB excels in smart card interfacing with its multi-protocol support and wide voltage range, though its obsolete status may limit new designs. Its compact form factor and compliance advantages make it a pragmatic choice for maintaining or upgrading existing systems. Engineers should evaluate alternatives for future-proofing while leveraging this IC’s proven performance in legacy applications.
Download datasheets and manufacturer documentation for MAX1840EUB