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ST8024CD bảng dữ liệu(PDF) 8 Page - STMicroelectronics |
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ST8024CD bảng dữ liệu(HTML) 8 Page - STMicroelectronics |
8 / 23 page ST8024 8/23 Table 12: Internal Oscillator (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C) 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) 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) Table 15: Control Inputs (PINS CLKDIV1, CLKDIV2, CMDVCC, RSTIN AND 5V/3V (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C) (Note 5) Symbol Parameter Test Conditions Min. Typ. Max. Unit fOSC(INT) Frequency of internal oscillator Inactive mode 55 140 200 kHz Active mode 2.2 2.7 3.2 MHz 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 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) 0 0.4 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 Symbol Parameter Test Conditions Min. Typ. Max. Unit VIL Input Voltage LOW -0.3 0.3VDD V VIH Input Voltage HIGH 0.7VDD VDD V |ILIH| Input Leakage Current HIGH VIH = VDD 1µA |ILIL| Input Leakage Current LOW VIL = 0 1 µA |
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