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ST3232C データシート(PDF) 5 Page - STMicroelectronics |
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ST3232C データシート(HTML) 5 Page - STMicroelectronics |
5 / 18 page ST3232B - ST3232C Electrical characteristics 5/18 3 Electrical characteristics Table 4. Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit ISUPPLY VCC Power supply current No Load, VCC = 3V ± 10%, TA = 25°C 0.3 1 mA No Load, VCC = 5V ± 10%, TA = 25°C 1 2 mA Table 5. Logic input (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit VTIL Input logic threshold low T-IN (1) 0.8 V VTIH Input logic threshold high VCC = 3.3V 2 V VCC = 5V 2.4 IIL Input leakage current T-IN ± 0.01 ± 1µA 1. Transmitter input hysteresis is typically 250mV. Table 6. Transmitter (C1 - C4 = 0.1 µF tested at 3.3 V ± 10 %, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) 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 VCC = 3V or 5V, VOUT = ± 12 ± 60 mA Table 7. Receiver (C1 - C4 = 0.1 µF tested at 3.3 V ±10 %, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit VRIN Receiver input voltage operating range -25 25 V VRIL RS-232 Input threshold low TA = 25°C, VCC = 3.3V 0.6 1.1 V TA = 25°C, VCC = 5V 0.8 1.5 VRIH RS-232 Input threshold high TA = 25°C, VCC = 3.3V 1.5 2.4 V TA = 25°C, VCC = 5V 1.8 2.4 VRIHYS Input hysteresis 0.3 V RRIN Input resistance TA = 25°C 3 5 7 k Ω VROL TTL/CMOS Output voltage low IOUT = 1.6mA 0.4 V VROH TTL/CMOS Output voltage high IOUT = -1mA VCC-0.6 VCC-0.1 V |
同様の部品番号 - ST3232C |
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同様の説明 - ST3232C |
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