AN00058 Application Circuit for Dual Smart Card Interface TD8020HL

AN00058 Application Circuit for Dual Smart Card Interface TD8020HL. The TDA8020HL is a dual smart card interface providing all analogue electrical interface signals to two smart cards. This interface, mainly for asynchronous cards, should be placed between the smart card connectors and a microcontroller. It performs all supply protection and control functions and is directly compatible with ISO7816-3 specification