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TDA8035HN

NXP Semiconductors
Part Number TDA8035HN
Manufacturer NXP Semiconductors
Description Smart card interface
Published May 13, 2011
Detailed Description TDA8035HN Smart card interface Rev. 1.0 — 19 April 2011 Product data sheet 1. General description The TDA8035 is the co...
Datasheet PDF File TDA8035HN PDF File

TDA8035HN
TDA8035HN

Overview
TDA8035HN Smart card interface Rev.
1.
0 — 19 April 2011 Product data sheet 1.
General description The TDA8035 is the cost efficient successor of the well established integrated contact smart card reader IC TDA8024.
It offers a high level of security for the card performing current limitation, short circuit detection, ESD protection as well as supply supervision.
Operating in 3 V supply domain, the current consumption during the standby mode of the contact reader is very low and is therefore the ideal component for a power efficient contact reader.
2.
Features and benefits 2.
1 Protection of the contact smart card „ Thermal and short-circuit protections on all card contacts „ Vcc regulation: ‹ 5 V, 3 V, 1.
8 V ± 5 % on 2 × 220 nF multilayer ceramic capacitors with low ESR ‹ 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, filtered overload detection approximately 120 mA „ Automatic activation and deactivation sequences initiated by software or by hardware in the event of a short-circuit, card take-off, overheating, falling VREG VDD(INTF),VDDP „ Enhanced card-side ElectroStatic Discharge (ESD) protection of (> 8 kV) „ Supply supervisor for killing spikes during power on and off: ‹ threshold internally fixed ‹ externally by a resistor bridge 2.
2 Easy integration into your contact reader www.
DataSheet4U.
net „ SW compatible to TDA8024 and TDA8034 „ 5 V, 3 V, 1.
8 V smart card supply „ DC/DC converter for Vcc generation separately powered from 2.
7 V to 5.
5 V supply (VDDP and GNDP) „ Very low power consumption in Deep Shutdown mode „ Three protected half-duplex bidirectional buffered I/O lines (C4, C7 and C8 ) „ External clock input up to 26 MHz „ Card clock generation up to 20 MHz using pins CLKDIV1 and CLKDIV2 with synchronous frequency changes of fXTAL, fXTAL/2, fXTAL/4 or fXTAL/8 „ Non-inverted control of pin RST using pin RSTIN „ Built-in debouncing on card presence contact „ Multiplexed status ...


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