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Smartcard interface IC with ESD protection
26 November 2008, Analogue, Mixed Signal, LSI
New from Maxim is the DS8024, a low-cost, smartcard interface IC designed for all ISO 7816, EMV and GSM 11.11 applications.
A complete, industry-standard interface for robust smartcard communication, this device performs level translation between a host microcontroller and a 5 V or 3 V smartcard. It provides ±8 kV ESD (IEC) protection to prevent damage to the application during card insertion and removal. Card activation and deactivation are handled with an internal sequencer for predictable application of signals and power to the smartcard.
Short circuit and over-temperature detectors automatically shut down the power supply when a potentially dangerous situation is detected. It also supplies up to 80 mA for smartcard operation. A drop-in upgrade for the TDA8024 and the ST8024, the DS8024 provides higher ESD protection while requiring no application hardware or software changes. It makes a suitable choice for financial terminals, consumer set-top boxes and smartcard reader products. For more information contact Larry Gordon, CST Electronics, +27 (0)11 608 0070, lgordon@cstelectronics.co.za, www.cstelectronics.co.za |
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