TDA8004AT

INTEGRATED CIRCUITS DATA SHEET TDA8004AT IC card interface Preliminary specification File under Integrated Circuits, IC02 2000 Feb 29 Philips Semiconductors Preliminary specification IC card interface FEATURES 3 or 5 V supply for the IC (GND and VDD) Step-up converter for VCC generation (separately powered with a 5 V ±10% supply, VDDP and PGND) 3 specific protected half duplex bidirectional buffered I/O lines (C4, C7 and C8) VCC regulation (5 or 3 V ±5% on 2 × 100 nF or 1 × 100 nF and 1 × 220 nF multilayer ceramic capacitors with low ESR, ICC < 65 mA at 4.5 V < VDDP < 6.5 V, current spikes of 40 nAs up to 20 MHz, with controlled rise and fall times, filtered overload detection approximately 90 mA) Thermal and short-circuit protections on all card contacts Automatic activation and deactivation sequences (initiated by software or by hardware in the event of a short-circuit, card take-off, overheating or supply drop-out) Enhanced ESD protection on card side (>6 kV) 26 MHz integrated crystal oscillator Clock generation for the card up to 20 MHz (divided by 1, 2, 4 or 8 through CLKDIV1 and CLKDIV2 signals) with synchronous frequency changes Non-inverted control of RST via pin RSTIN ISO 7816, GSM11.11 and EMV (payment systems) compatibility Supply supervisor for spikes killing during power-on and power-off One multiplexed status signal OFF. ORDERING INFORMATION TYPE NUMBER TDA8004AT PACKAGE NAME SO28 DESCRIPTION plastic small outline package; 28 leads; ...