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DS14C232J/883 датащи(PDF) 4 Page - National Semiconductor (TI) |
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DS14C232J/883 датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 12 page ![]() Absolute Maximum Ratings (Note 1) For complete Military Product Specifications, refer to the appropriate SMD or MDS. Supply Voltage, V CC −0.3V to 6V V + Pin (V CC − 0.3)V to +14V V − Pin +0.3V to −14V Driver Input Voltage −0.3V to (V CC + 0.3V) Driver Output Voltage (V + + 0.3V) to (V− − 0.3V) Receiver Input Voltage ±25V Receiver Output Voltage −0.3V to (V CC + 0.3V) Maximum Package Power Dissipation @ 25˚C (Note 8) J Package 1520 mW E Package 2000 mW Short Circuit Duration, D OUT Continuous Storage Temp. Range −65˚C to +150˚C Lead Temp. (Soldering, 4 sec.) +260˚C ESD Rating (HMB, 1.5 k Ω, 100 pF) ≥ 2.5 kV Recommended Operating Conditions Min Max Units Supply Voltage, V CC 4.5 5.5 V Operating Free Air Temp. (T A) DS14C232E/J −55 +125 ˚C Electrical Characteristics (Note 2) Over recommended operating conditions, unless otherwise specified Symbol Parameter Conditions Min Max Units DEVICE CHARACTERISTICS (C1–C4 = 1.0 µF) I CC Supply (V CC) Current No Load 8.0 mA DRIVER CHARACTERISTICS V IH High Level Input Voltage 2V V IL Low Level Input Voltage 0.8 V I IH High Level Input Current V IN ≥ 2.0V 100 µA I IL Low Level Input Current V IN = 0V 100 µA V OH High Level Output Voltage R L = 3kΩ 5.0 V V OL Low Level Output Voltage R L = 3kΩ −5.0 V I OS+ Output High Short Circuit Current V O = 0V (Note 3) −25 mA I OS− Output Low Short Circuit Current V O = 0V 25 mA R O Output Resistance −2V ≤ V O ≤ +2V, TA = 25˚C, 300 Ω V CC = 0V = GND RECEIVER CHARACTERISTICS (C1–C4 = 1.0 µF) V TH Input High Threshold Voltage 3.0 V V TL Input Low Threshold Voltage 0.2 V V HY Hysteresis T A = 25˚C, +125˚C 0.1 1.0 V T A = −55˚C 0.05 1.0 V R IN Input Resistance V IN = ±3V and ±15V, TA = 25˚C 3.0 7.0 k Ω V OH High Level Output Voltage I O = −3.2 mA 3.5 V I O = −20 µA 4.0 V V OL Low Level Output Voltage I O = +3.2 mA 0.4 V Switching Characteristics Over recommended operating conditions, unless otherwise specified. Symbol Parameter Conditions Min Max Units DRIVER CHARACTERISTICS (C1–C4 = 1.0 µF) t PLH Propagation Delay Low to High R L = 3kΩ,CL = 50 pF Figures 1, 2 4.0 µs t PHL Propagation Delay High to Low 4.0 µs t SK Skew |t PLH −tPHL| 1.0 µs SR1 Output Slew Rate R L = 3kΩ to7kΩ,CL = 2500 pF (Note 7) 1.5 30 V/µs RECEIVER CHARACTERISTICS (C1–C4 = 1.0 µF) t PLH Propagation Delay Low to High Input Pulse Width > 10 µs 8.0 µs t PHL Propagation Delay High to Low C L = 50 pF 8.0 µs t SK Skew |t PLH −tPHL|(Figures 3, 4) 2.0 µs www.national.com 4 |
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