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Low-cost, smart-card interface unveiled

Posted: 18 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:smart card? interface? microcontroller host?

Maxim Integrated Products unveils 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.

According to the company, 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 TV, financial terminals, consumer STBs, 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 -40C to +85C extended temperature range and is available in Pb-free 28-pin SO and TSSOP packages. Prices start at $0.60 (1,000-up, FOB USA). An evaluation kit is currently in development-contact the factory for availability.

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