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ST3222BD 데이터시트(PDF) 3 Page - STMicroelectronics |
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ST3222BD 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 9 page ST3222 3/9 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. V+ and V- can have a maximum magnitude of +7V, but their absolute addition can not exceed 13 V. ELECTRICAL CHARACTERISTICS (C1 -C4 =0.1µF, VCC =3V to3.6V, 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 to3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) Note 1: Transmitter input hysteresis is typically 250mV TRANSMITTER ELECTRICAL CHARACTERISTICS (C1 -C4 =0.1µFVCC =3V to3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) Symbol Parameter Value Unit VCC Supply Voltage -0.3 to 6 V V+ Doubled Voltage Terminal (VCC -0.3)to7 V V- Inverted Voltage Terminal 0.3 to -7 V V+ +|V-| 13 V TIN Transmitter Input Voltage Range -0.3 to 6 V SHDN Transmitter Input Voltage Range -0.3 to 6 V RIN Receiver Input Voltage Range ± 25 V TOUT Transmitter Output Voltage Range ± 13.2 V ROUT Receiver Output Voltage Range -0.3 to (VCC + 0.3) V tSHORT Transmitter Output Short to GND Time Continuous Symbol Parameter Test Conditions Min. Typ. Max. Unit ISUPPLY VCC Power Supply Current No Load VCC = 3.3V TA =25°C SHDN=VCC 0.3 1 mA ISHDN SHUTDOWN Supply Current No Load VCC = 3.3V TA =25°C SHDN=VCC 110 µA Symbol Parameter Test Conditions Min. Typ. Max. Unit VIL Input Logic Threshold Low T-IN, EN, SHDN (Note 1) 0.8 V VIH Input Logic Threshold High VCC = 3.3V 2 V VHYS Transmitter Input Histeresys 0.5 V IIL Input Leakage Current T-IN, EN, SHDN ± 0.01 ± 1 µA Symbol Parameter Test Conditions Min. Typ. Max. Unit VTOUT Output Voltage Swing All Transmitter outputs are loaded with 3K Ω to GND ± 5 ± 5.4 V RTOUT Transmitter Output Resistance VCC =V+= V- =0V VOUT = ± 2V 300 10M Ω ITSC Output Short Circuit Current ± 60 mA ITOL Output Leakage Current VCC = 0V or 3V to 3.6V VOUT = ± 12V Transmitters Disable ± 25 µA |
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