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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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UTDA8024 데이터시트(PDF) 8 Page - Unisonic Technologies |
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UTDA8024 데이터시트(HTML) 8 Page - Unisonic Technologies |
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8 / 15 page  UTDA8024 Preliminary LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 8 of 15 www.unisonic.com.tw QW-R113-014.a ELECTRICAL CHARACTERISTICS (Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Data lines (pins I/O, I/OUC, AUX1, AUX2, AUX1UC and AUX2UC) I/O to I/OUC, I/OUC to I/O Falling Edge Delay td(I/O-I/OUC), td(I/OUC-I/O) 200 ns Active Pull-Up Pulse Width tpu 100 ns Maximum Frequency On Data Lines fI/O(max) 1 MHz Input Capacitance On Data Lines Ci 10 pF Data lines to card reader (pins I/O, AUX1 and AUX2; with integrated 11kΩ pull-up resistors to VCC) No Load 0 0.1 V Output Voltage Vo(inactive) Inactive Mode Io(inactive)=1mA 0.3 V Output Current Io(inactive) Inactive Mode, Pin Grounded -1 mA IOL=1mA 0 0.3 V LOW-Level Output Voltage VOL IOL≥15mA VCC-0.4 VCC V No DC Load 0.9VCC VCC+0.1 V 5 and 3V Cards, IOH<-40µA 0.75VCC VCC+0.1 V HIGH-Level Output Voltage VOH OH I ≥10mA 0 0.4 V LOW-Level Input Voltage VIL 0.3 0.8 V HIGH-Level Input Voltage VIH 1.5 VCC+0.3 V LOW-Level Input Current IL I VIL=0V 600 µA HIGH-Level Input Leakage Current LIH I VIH=VCC 10 µA Data Input Transition Time tt(DI) VIL(max) to VIH(min) 1.2 µs Data Output Transition Time tt(DO) Vo=0~VCC, CL≤80pF, 10% to 90% 0.1 µs Integrated Pull-Up Resistor Rpu Pull-Up Resistor to VCC 18 kΩ Current When Pull-Up Active Ipu VOH=0.9VCC, C=80pF -1 mA Data lines to microcontroller (pins I/OUC, AUX1UC and AUX2UC; with integrated 11kΩ pull-up resistors to VDD) LOW-Level Output Voltage VOL IOL=1mA 0 0.3 V No DC Load 0.9VDD VDD+0.1 V HIGH-Level Output Voltage VOH 5 and 3V Cards, IOH<-40µA 0.75VDD VDD+0.1 V LOW-Level Input Voltage VIL -0.3 +0.3VDD V HIGH-Level Input Voltage VIH 0.7VDD VDD+0.3 V HIGH-Level Input Leakage Current LIH I VIH=VDD 10 µA LOW-Level Input Current L I VIL=0V 600 µA Integrated Pull-Up Resistor Rpu Pull-Up Resistor to VCC 18 kΩ Data Input Transition Time tt(DI) VIL(max) to VIH(min) 1.2 µs Data Output Transition Time tt(DO) Vo=0~VDD, CL<30pF, 10% to 90% 0.1 µs Current When Pull-Up Active Ipu VOH=0.9VDD, C=30pF -1 mA Internal oscillator Inactive Mode 55 140 200 kHz Frequency of Internal Oscillator fOSC(int) Active Mode 2.2 2.7 3.2 MHz Reset output to card reader (pin RST) No Load 0 0.1 V Output Voltage Vo(inactive) Inactive Mode Io(inactive)=1mA 0 0.3 V Output Current Io(inactive) Inactive Mode, Pin Grounded 0 -1 mA RSTIN to RST Delay td(RSTIN-RST) RST Enabled 2 µs |
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