ncn8024 ON Semiconductor, ncn8024 Datasheet
ncn8024
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ncn8024 Summary of contents
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... NCN8024 Smart Card Interface IC The NCN8024 is a single smart card interface IC dedicated for 3.0 V/5.0 V smart card reader/writer applications. The device is fully compatible with the ISO 7816−3 and EMV standards as well as with standards specifying conditional access in Set−Top−Box (STB) including NDS. ...
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VDD 100 nF Microcontroller VDD INT VDD R1 PORADJ R2 CMDVCC 5V/3V CLKDIV1 CLKDIV2 CLKIN RSTIN I/Ouc AUX1uc AUX2uc Figure 1. Typical Smart Card Interface Application CLKDIV1 CLKDIV2 5V/3V GNDP VDDP CRD_PRES CRD_PRES CRD_I/O CRD_AUX2 CRD_AUX1 CRD_GND Figure 2. SOIC−28 ...
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... Card presence pin active (card present) when CRD_PRES = High. A built−in debounce timer of about activated when a card is inserted. VDDP 6 DC/DC Converter Internal Oscillator 2.5 MHz Thermal Control Control Logic Card Pin and Sequencer Drivers Figure 3. NCN8024 Block Diagram Description power supply voltage. CRD_V CC http://onsemi.com 3 9 CRD_PRES Card Detection CRD_PRES 10 ...
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PIN FUNCTION AND DESCRIPTION Pin # Name Type 11 CRD_I/O Input/ This pin handles the connection to the serial I/O (C7) of the card connector. A bi−directional level Output translator adapts the serial I/O signal between the card and the ...
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ATTRIBUTES ESD protection Human Body Model (HBM) (Note 1) Machine Model (MM) Moisture sensitivity (Note 2) SOIC−28 and TSSOP−28 Flammability Rating Oxygen Meets or exceeds JEDEC Spec EIA/JESD78 IC Latch−up Test 1. Human Body Model (HBM 1500 W, ...
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POWER SUPPLY SECTION ( Pin Symbol 6 V DC/DC Converter Power Supply, CRD_V DDP Load Such NDS Conditions: DC/DC Converter ...
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POWER SUPPLY SECTION ( Pin Symbol DC/DC CONVERTER 17 CRD_V Output Card Supply Voltage @ 3 load transient from 100 Hz to 200 MHz (including ripple) (Note 4) CRD_V ...
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DIGITAL INPUT/OUTPUT SECTION CLKIN, RSTIN, I/Ouc, AUX1uc, AUX2uc, CLKDIV1, CLKDIV2, CMDVCC, 5V/ 3 25° DDP amb CLKIN Pin Symbol 26, 27, 28 I/Ouc, AUX1uc, AUX2uc data channels ...
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SMART CARD INTERFACE SECTION, CRD_IO, CRD_AUX1, CRD_AUX2, CRD_CLK, CRD_RST, CRD_PRES, CRD_PRES ( DDP Pin Symbol 16 CRD_RST @ CRD_V V Output RESET Output RESET Output ...
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... The system is ready to operate when the input voltage has have reached the minimum 2.7 V. Considering this, the NCN8024 will detect an Under−Voltage situation when the input supply voltage will drop below 2.35 V typical. When V goes down below the UVLO falling threshold a deactivation ...
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PORADJ pin is used to modify the UVLO threshold according to the below relationship considering an external resistor divider (see block diagram Figure 1): UVLO + PORADJ is connected to Ground ...
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The clock can also be applied to the card using a RSTIN mode allowing controlling the clock starting by setting RSTIN Low (Figure 4). Before running the activation sequence, that is before setting Low CMDVCC RSTIN is set High. In ...
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... CRD_RST is forced to Low CMDVCC CRD_RST CRD_CLK CRD_IO CRD_VCC FAULT DETECTION In order to protect both the interface and the external smart card, the NCN8024 provides security features to prevent failures or damages as depicted here after. • Card extraction detection • V under voltage detection DD • ...
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... ESD PROTECTION The NCN8024 includes devices to protect the pins against the ESD spikes voltages. To cope with the different ESD voltages developed across these pins, the built in structures have been designed to handle either 2 kV, when related to the micro controller side when connected with the external contacts (HBM model) ...
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... PIN 1 IDENT 0.025 28X *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOIC−28 WB CASE 751F−05 ISSUE 0.10 −T− ...
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... D 9.60 9.80 E 6.40 BSC E1 4.30 4.50 e 0.65 BSC L 0.45 0.75 L1 1.00 REF R 0.09 −−− R1 0.09 −−− 0.20 −−− REF REF 01 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCN8024/D ...