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DS8881 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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DS8881 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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Absolute Maximum Ratings (Note 1) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage (VSS–VBB) 38V Input Current 10 mA Output Current b 20 mA Storage Temperature b 65 Cto a150 C Maximum Power Dissipation at 25 C Molded Package 2168 mW Lead Temperature (Soldering 4 sec) 260 C Derate molded package 1735 mW C above 25 C Operating Conditions Min Max Units Supply Voltage VSS 50 95 V VBB Gnd b 26 V Temperature (TA)0 a 70 C Electrical Characteristics (Notes 2 and 3) Symbol Parameter Conditions Min Typ Max Units VIH Logical ‘‘1’’ VSS e Max Enable IIN e 260 mA 51 V Input Voltage A B C D IIN e 1400 mA 15 V IIH Logical ‘‘1’’ VSS e Max Enable A B C D 260 m A Input Current VIL Logical ‘‘0’’ VSS e Max Enable 10 V Input Voltage A B C D 03 V IIL Logical ‘‘0’’ VSS e Max Enable VIN e 0V b 10 m A Input Current A B C D VIN e VIL(MAX) 25 m A VOH Logical ‘‘1’’ Digit Output IOH eb7mA VSS b 25 V Output Voltage IOH Logical ‘‘1’’ VSS e Max Osc Output VRC e 06V VOH e 10V 50 m A Output Current IOS Output Short-Circuit VSS e Min Pin R VRC e 06V VR e 0V b 150 b 450 m A Current ROUT Output Pull-Down VSS e Min Digit Output 30 50 85 kX Resistor VOL Logical ‘‘0’’ VSS e Min Osc VRC e 16V IOL e 6 mA 05 V Output Voltage Pin R IOL e 60 mA 02 V VSS e Max Digit Output VENABLE e 1V IOL e 10 mAVBB a 14 V ISS Supply Current VSS e 95V IOH e 0VENABLE e 51V 90 125 mA VENABLE e 1V 50 90 mA IBB Supply Current VSS e 95V IB e 0 VENABLE e 1V b 08 b 15 mA VBB eb26V IIN e 300 mA VENABLE e 51V b 30 b 50 mA (Note 4) VB Filament Bias IB e 10 mA VBB a 64 VBB a 69 VBB a 74 V Voltage Note 1 ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device operation Note 2 Unless otherwise specified minmax limits apply across the 0 Cto a70 C range All typicals are given for TA e 25 C Note 3 All currents into device pins shown as positive out of device pins as negative and all voltages referenced to ground unless otherwise noted All values shown as max or min on absolute value basis Note 4 Approximately 50% of input current on pins 4 5 6 7 is shunted to VBB If minimum IBB is desired then IIN should be minimized by using resistors in series with the inputs 2 |
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