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ST8024CTR Arkusz danych(PDF) 11 Page - STMicroelectronics |
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ST8024CTR Arkusz danych(HTML) 11 Page - STMicroelectronics |
11 / 30 page ST8024 Electrical characteristics 11/30 Table 13. Reset output to card reader (pin RST) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VO(inactive) Output Voltage in Inactive Mode IO(inactive) = 1 mA 0 0.3 V No Load 0 0.1 IO(inactive) Output Current Inactive mode; pin grounded 0 -1 mA tD(RSTIN-RST) RSTN to RST Delay RST Enable 2 µs VOL Low Level Output Voltage IOL = 200 µA 0 0.2 V IOL = 20 mA (current limit) VCC-0.4 VCC VOH High Level Output Voltage IOH = -200 µA 0.9VCC VCC V IOH = -20 mA (current limit) 0 0.4 tR, tF Rise and fall time CL = 100 pF; VCC = 5 or 3 V 0.1 µs Table 14. Clock output to card reader (pin CLK) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VO(inactive) Output voltage in inactive mode IO(inactive) = 1 mA 0 0.3 V No Load 0 0.1 IO(inactive) Output current CLK Inactive mode; pin grounded 0-1 mA VOL Low level output voltage IOL = 200 µA 0 0.3 V IOL = 70 mA (current limit) VCC-0.4 VCC VOH High level output voltage IOH = -200 µA 0.9VCC VCC V IOH = -70 mA (current limit) 00.4 tR, tF Rise and fall time CL = 30 pF (Note 4)16 ns δ Duty factor (except for fXTALS)CL = 30 pF (Note 4)45 55 % SR Slew rate Slew up or down; CL = 30 pF 0.2 V/ns |
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