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ST3243CD Arkusz danych(PDF) 4 Page - STMicroelectronics |
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ST3243CD Arkusz danych(HTML) 4 Page - STMicroelectronics |
4 / 11 page ST3243 4/11 ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) LOGIC INPUT ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) AUTO-POWERDOWN ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1µF, VCC = 3V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit IASHDN Supply Current Auto-powerdown VCC = 3.3 or 5.0V TA = 25°C All R_IN open FORCEOFF = VCC 110 µA ISHDN Shutdown Supply Current VCC = 3.3 or 5.0V TA = 25°C All R_IN open FORCEOFF = GND 110 µA ISHDN Supply Current Auto-powerdown Disabled VCC = 3.3 or 5.0V TA = 25°C FORCEON = FORCEOFF = VCCNo Load 0.3 1 mA Symbol Parameter Test Conditions Min. Typ. Max. Unit VTIL Input Logic Threshold Low T-IN, FORCEON, FORCEOFF 0.8 V VTIH Input Logic Threshold High T-IN, FORCEON, FORCEOFF VCC = 3.3V VCC = 5V 2 2.4 V V VTHYS Transmitter Input Hysteresis 0.5 V IIL Input Leakage Current T-IN, FORCEON, FORCEOFF ± 0.01 ± 1.0 µA IOL Output Leakage Current Receiver Disabled ± 0.05 ± 10 µA VOL Output Voltage Low IOUT = 1.6mA 0.4 V VOH Output Voltage High IOUT = -1mA VCC-0.6 VCC-0.1 V Symbol Parameter Test Conditions Min. Typ. Max. Unit VRITE Receiver Input Threshold to Transmitter Enabled Positive Threshold Negative Threshold 2.7 2.7 V V VRITD Receiver Input Threshold to Transmitter Disabled 1 µA Supply Current -0.3 0.3 V VIOL INVALID Output Voltage LOW 0.4 V VIOH INVALID Output Voltage HIGH VCC-0.6 V tWU Receiver Threshold to Transmitter Enabled IOUT = 1.6mA 250 µs tinvh Receiver Positive or Negative Threshold to INVALID HIGH IOUT = -1mA 1 µs tinvL Receiver Positive or Negative Threshold to INVALID LOW 30 µs |
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