- 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
| TDA8037 Block diagram Outline 3d SOT403-1 |
