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Low-Cost Smart-Card Interface with 10nA Stop-Mode Current

17th May 2009

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Maxim has introduced the DS8313, a low-power, low-cost, smart-card interface. This device performs level translation between a host microcontroller and a 5V, 3V, or 1.8V smart card, while providing up to 80mA for smart-card operation.

The DS8313 features the industry's lowest power stop mode (10nA, typ), allowing applications to support smart-card communication without increasing the power budget. In addition, it provides ±8kV ESD protection (IEC) to prevent damage to the application during card insertion and removal. Designed for ISO 7816 and B-CAS applications, the DS8313 is ideal for pay/premium television, financial terminals, consumer set-top boxes, SIM card readers, and smart-card reader products.

The DS8313 is functionally compatible with devices such as the TDA8024 and the ST8024 that have higher power consumption and no stop mode. It supports applications that do not require communication with the C4 and C8 smart-card pins.

The DS8313 operates over the -40 degrees Celsius to +85 degrees Celsius extended temperature range and is available in lead-free 28-pin SO and TSSOP packages. Prices start at $0.60 (1000-up, FOB USA). An evaluation kit is currently in development-contact the factory for availability.