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TDA8024 Datasheet(PDF) 20 Page - NXP Semiconductors |
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TDA8024 Datasheet(HTML) 20 Page - NXP Semiconductors |
20 / 29 page 2004 July 12 20 Philips Semiconductors Product specification IC card interface TDA8024 Data lines to microcontroller (pins I/OUC, AUX1UC and AUX2UC; with integrated 11 k Ω pull-up resistors to VDD) VOL LOW-level output voltage IOL = 1 mA 0 − 0.3 V VOH HIGH-level output voltage no DC load 0.9VDD − VDD + 0.1 V 5 and 3 V cards; IOH < −40 µA 0.75VDD − VDD + 0.1 V VIL LOW-level input voltage −0.3 − +0.3VDD V VIH HIGH-level input voltage 0.7VDD − VDD + 0.3 V ILIH HIGH-level input leakage current VIH =VDD −− 10 µA IL LOW-level input current VIL =0V −− 600 µA Rpu integrated pull-up resistor pull-up resistor to VCC 911 13 k Ω tt(DI) data input transition time VIL(max) to VIH(min) −− 1.2 µs tt(DO) data output transition time Vo = 0 to VDD; CL < 30 pF; 10% to 90% −− 0.1 µs Ipu current when pull-up active VOH = 0.9VDD; C = 30 pF −1 −− mA Internal oscillator fOSC(int) frequency of internal oscillator inactive mode 55 140 200 kHz active mode 2.2 2.7 3.2 MHz Reset output to card reader (pin RST) Vo(inactive) output voltage inactive mode no load 0 − 0.1 V Io(inactive) =1mA 0 − 0.3 V Io(inactive) output current inactive mode; pin grounded 0 −−1mA td(RSTIN-RST) RSTIN to RST delay RST enabled −− 2 µs VOL LOW-level output voltage IOL = 200 µA0 − 0.2 V IOL = 20 mA (current limit) VCC − 0.4 − VCC V VOH HIGH-level output voltage IOH = −200 µA 0.9VCC − VCC V IOH = −20 mA (current limit) 0 − 0.4 V tr rise time CL = 100 pF; VCC =5or 3V −− 0.1 µs tf fall time CL = 100 pF; VCC =5or 3V −− 0.1 µs Clock output to card reader (pin CLK) Vo(inactive) output voltage inactive mode no load 0 − 0.1 V Io(inactive) =1mA 0 − 0.3 V Io(inactive) output current CLK inactive; pin grounded 0 −−1mA VOL LOW-level output voltage IOL = 200 µA0 − 0.3 V IOL = 70 mA (current limit) VCC − 0.4 − VCC V VOH HIGH-level output voltage IOH = −200 µA 0.9VCC − VCC V IOH = −70 mA (current limit) 0 − 0.4 V tr rise time CL = 30 pF; note 5 −− 16 ns SYMBOL PARAMETER CONDITIONS MIN. TYP MAX. UNIT |
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