• Thermal and short-circuit protection on all card contacts
• VCC regulation: 3 V ± 5 % on 2 × 220 nF multilayer ceramic capacitors with low ESR Current spikes of 40 nA 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, VDDhost, VREG and VDD dropping
• 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 (with SO28 package only)

• SW compatible to TDA8024, TDA8034 and TDA8035
• 3 V smart card supply
• Three protected half-duplex bidirectional buffered I/O lines (C4, C7 and C8)
• External clock input up to 20 MHz
• Card clock generation up to 20 MHz using pin CLKDIV with synchronous frequency changes of fCLKIN, fCLKIN/2 (with SO28 package only)
• Non-inverted control of pin RST using pin RSTIN
• Built-in debouncing on card presence contact
• Multiplexed status signal using pin OFFN
• Chip Select digital input for parallel operation of several TDA8037 ICs (with SO28 package only)

• TSSOP16 and SO28 package
• SO28 version is footprint compatible with TDA8024T
• Compliant with ISO 7816, Cisco technology and EMV 4.3 payment systems

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