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DS8313 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS8313 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 18 page  Smart Card Interface _______________________________________________________________________________________ 3 RECOMMENDED DC OPERATING CONDITIONS (continued) (VDD = +3.3V, VDDA = +5.0V, TA = +25°C, unless otherwise noted. All specifications apply to both the DS8313 and DS8314, unless otherwise noted in the CONDITIONS column.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CLOCK SOURCE Crystal Frequency fXTAL External crystal (Note 1) 0 20 MHz fXTAL1 (Note 1) 0 20 MHz VIL_XTAL1 Low-level input on XTAL1 -0.3 0.3 x VDD XTAL1 Operating Conditions VIH_XTAL1 High-level input on XTAL1 0.7 x VDD VDD + 0.3 V External Capacitance for Crystal CXTAL1, CXTAL2 15 pF Internal Oscillator fINT 2.2 2.7 3.4 MHz SHUTDOWN TEMPERATURE Shutdown Temperature TSD +150 °C RST PIN Output Low Voltage VOL_RST1 IOL_RST = 1mA 0 0.3 V Card-Inactive Mode Output Current IOL_RST1 VOL_RST = 0 0 -1 mA Output Low Voltage VOL_RST2 IOL_RST = 200μA 0 0.3 V Output High Voltage VOH_RST2 IOH_RST = -200μA VCC - 0.5 VCC V Rise Time tR_RST CL = 30pF (Note 1) 0.1 μs Fall Time tF_RST CL = 30pF (Note 1) 0.1 μs Current Limitation IRST(LIMIT) -20 +20 mA Card-Active Mode RSTIN to RST Delay tD(RSTIN-RST) 2 μs CLK PIN Output Low Voltage VOL_CLK1 IOLCLK = 1mA 0 0.3 V Card-Inactive Mode Output Current IOL_CLK1 VOLCLK = 0 0 -1 mA Output Low Voltage VOL_CLK2 IOLCLK = 200μA 0 0.3 V Output High Voltage VOH_CLK2 IOHCLK = -200μA VCC - 0.5 VCC V Rise Time tR_CLK CL = 30pF (Notes 1, 4) 8 ns Fall Time tF_CLK CL = 30pF (Notes 1, 4) 8 ns Current Limitation ICLK(LIMIT) -70 +70 mA Clock Frequency fCLK Operational 0 10 MHz Duty Factor CL = 30pF 45 55 % Card-Active Mode Slew Rate SR CL = 30pF (Note 1) 0.2 V/ns VCC PIN Output Low Voltage VCC1 ICC = 1mA 0 0.3 V Card-Inactive Mode Output Current ICC1 VCC = 0 0 -1 mA |
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