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Smart Card ICs

Thu, 12/23/2004 - 7:57am

TDK Semiconductor debuts three smart card interface circuits: the TDK 73S8023C, 73S8024C, and the 73S8010C. These chips possess efficiency of 85% and a small size step-up/step-down converter that provides high card current capability for such card interfaces, with up to 100 mA supplied to the card. A power down mode is implemented that allows the host to place the smart card interface function in a mode that will only draw a couple of mA. Such features make these circuits suited for battery powered and power sensitive applications, such as portable Point-of-Sales terminals, PIN-pad readers, and payphones, as well as any portable smart card based payment or indentation device, such as cell phones and Personal Digital Assistants (PDAs).

TDK Semiconductor Corp.

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