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TDA8034T Datasheet(PDF) 1 Page - NXP Semiconductors |
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TDA8034T Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 29 page  1. General description The TDA8034T/TDA8034AT is a cost-effective analog interface for asynchronous and synchronous smart cards operating at 5 V or 3 V. Using few external components, the TDA8034T/TDA8034AT provides all supply, protection and control functions between a smart card and the microcontroller. 2. Features and benefits Integrated circuit smart card interface in an SO16 package 5 V or 3 V smart card supply One protected half-duplex bidirectional buffered I/O line (C7) VCC regulation: 5V ± 5 % or 3 V ± 5 % using two low ESR multilayer ceramic capacitors: one of 220 nF and one of 470 nF current spikes of 40 nA/s (VCC = 5 V and 3 V) or 15 nA/s (VCC =1.8 V) up to 20 MHz, with controlled rise and fall times and filtered overload detection of approximately 120 mA Thermal and short-circuit protection for all card contacts Automatic activation and deactivation sequences triggered by a short-circuit, card take-off, overheating, falling VDD, VDD(INTF) or VDDP Enhanced card-side ElectroStatic Discharge (ESD) protection of > 6 kV External clock input up to 26 MHz connected to pin XTAL1 Card clock generation up to 20 MHz using pin CLKDIV1 with synchronous frequency changes of: 1 ∨ 2 fxtal or 1 ∨ 4 fxtal on TDA8034T fxtal or 1∨2 fxtal on TDA8034AT Non-inverted control of pin RST using pin RSTIN Compatible with ISO 7816, NDS and EMV 4.2 payment systems Supply supervisor for killing spikes during power on and off: using a fixed threshold using an external resistor bridge with threshold adjustment Built-in debouncing on card presence contacts (typically 4.5 ms) Multiplexed status signal using pin OFFN 3. Applications Pay TV Electronic payment TDA8034T; TDA8034AT Smart card interface Rev. 2.0 — 12 November 2010 Product data sheet |
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Similar Description - TDA8034T |
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