ST8034HNQR Active

Name: ST8034HNQR
Brand: STMicroelectronics
SKU: ST8034HNQR
Price: 1.12 USD
Availability: OutOfStock

24-pin smartcard interfaces

Out of stock

$1.12

Key features
Complete smartcard interface ISO 7816, NDS and EMV 4.3 payment systems compatible Three protected half-duplex bidirectional buffered I/O lines to the smartcard 5 V, 3 V or 1.8 V supply voltage for the smartcard (V_CC), pin-selectable. Ensures controlled V_CCrise and fall times and provides smart overload detection with glitch immunity. Very low power consumption in deep shutdown mode Chip select function allows the device interface to be isolated from the microcontroller signals - allows parallel combination of the card interface devices (ST8034HC) Card clock generation by integrated crystal oscillator or from external clock source Card clock frequency up to 20 MHz, programmable by CLKDIV1 and CLKDIV2 pins (ST8034HN) or by CLKDIV pin (ST8034HC), with synchronous frequency changes Automatic activation and deactivation sequences initiated by the microcontroller Emergency deactivation sequences initiated by a card supply short-circuit, card take-off, falling V_DD, V_DDP, or V_DD(INTF)or by the interface device overheating Voltage supply supervisors with a fixed threshold (V_DD, V_DDP) with an external resistor divider to set the V_DD(INTF)threshold (PORADJ pin) Multipurpose card status signalOFF Non-inverted card reset pin RST driven by the RSTIN input Thermal and short-circuit protection of all card contacts Card presence detection contacts debounced Enhanced card side ESD protection of 8 kV Space saving QFN24 4 x 4 x 0.8 mm package Temperature range -25 to +85 °C

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