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DS89C21 Fiches technique(PDF) 2 Page - National Semiconductor (TI) |
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DS89C21 Fiches technique(HTML) 2 Page - National Semiconductor (TI) |
2 / 6 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V CC)7V Driver Input Voltage (DI) −1.5V to V CC + 1.5V Driver Output Voltage (DO, DO * ) −0.5V to +7V Receiver Input Voltage — V CM (RI, RI *) ±14V Differential Receiver Input ±14V Voltage — V DIFF (RI, RI *) Receiver Output Voltage (RO) −0.5V to V CC +0.5V Receiver Output Current (RO) ±25 mA Storage Temperature Range (T STG) −65˚C to +150˚C Lead Temperature (T L) +260˚C (Soldering 4 sec.) Maximum Junction Temperature 150˚C Maximum Package Power Dissipation @+25˚C M Package 714 mW Derate M Package 5.7 mW/˚C above +25˚C Recommended Operating Conditions Min Max Units Supply Voltage (V CC) 4.50 5.50 V Operating Temperature (T A) −40 +85 ˚C Input Rise or Fall Time (DI) 500 ns Electrical Characteristics (Notes 2, 3) Over recommended supply voltage and operating temperature ranges, unless otherwise specified. Symbol Parameter Conditions Pin Min Typ Max Units DRIVER CHARACTERISTICS V IH Input Voltage HIGH 2.0 V CC V V IL Input Voltage LOW DI GND 0.8 V I IH,IIL Input Current V IN = VCC, GND, 2.0V, 0.8V 0.05 ±10 µA V CL Input Clamp Voltage I IN = −18 mA −1.5 V V OD1 Unloaded Output Voltage No Load DO, DO* 4.2 6.0 V V OD2 Differential Output Voltage R L = 100Ω 2.0 3.0 V ∆V OD2 Change in Magnitude of V OD2 5.0 400 mV for Complementary Output States V OD3 Differential Output Voltage R L = 150Ω 2.1 3.1 V V OD4 Differential Output Voltage R L = 3.9 kΩ 4.0 6.0 V V OC Common Mode Voltage R L = 100Ω 2.0 3.0 V ∆V OC Change in Magnitude of V OC 2.0 400 mV for Complementary Output States I OSD Output Short Circuit Current V OUT = 0V −30 −115 −150 mA I OFF Output Leakage Current V CC = 0V V OUT = +6V 0.03 +100 µA V OUT = −0.25V −0.08 −100 µA RECEIVER CHARACTERISTICS V TL,VTH Differential Thresholds V IN = +7V, 0V, −7V RI, RI* −200 ±25 +200 mV V HYS Hysteresis V CM = 0V 20 50 mV R IN Input Impedance V IN = −7V, +7V, Other = 0V 5.0 9.5 k Ω I IN Input Current Other Input = 0V, V IN = +10V +1.0 +1.5 mA V CC = 5.5V and V IN = +3.0V 0 +0.22 mA V CC = 0V V IN = +0.5V −0.04 mA V IN = −3V 0 −0.41 mA V IN = −10V −1.25 −2.5 mA V OH Output HIGH Voltage I OH = −6 mA V DIFF = +1V RO 3.8 4.9 V V DIFF = OPEN 3.8 4.9 V V OL Output LOW Voltage I OL = +6 mA, VDIFF = −1V 0.08 0.3 V I OSR Output Short Circuit Current V OUT = 0V −25 −85 −150 mA www.national.com 2 |
Numéro de pièce similaire - DS89C21 |
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Description similaire - DS89C21 |
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