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DM74LS293M Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS293M Arkusz danych(HTML) 2 Page - National Semiconductor (TI) |
2 / 6 page Absolute Maximum Ratings (Note) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range DM74LS 0 Cto a70 C Storage Temperature Range b 65 Cto a150 C Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaran- teed The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation Recommended Operating Conditions Symbol Parameter DM74LS293 Units Min Nom Max VCC Supply Voltage 475 5 525 V VIH High Level Input Voltage 2 V VIL Low Level Input Voltage 08 V IOH High Level Output Current b 04 mA IOL Low Level Output Current 8 mA fCLK Clock Frequency A to QA 032 MHz (Note 1) BtoQB 016 fCLK Clock Frequency A to QA 020 MHz (Note 2) BtoQB 010 tW Pulse Width A 15 (Note 6) B30 ns Reset 15 tREL Reset Release Time (Note 6) 25 ns TA Free Air Operating Temperature 0 70 C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 3) VI Input Clamp Voltage VCC e Min II eb18 mA b 15 V VOH High Level Output VCC e Min IOH e Max 27 34 V Voltage VIL e Max VIH e Min VOL Low Level Output VCC e Min IOL e Max 035 05 V Voltage VIL e Max VIH e Min IOL e 4 mA VCC e Min 025 04 II Input Current Max VCC e Max Reset 01 Input Voltage VI e 7V A 02 mA B 02 IIH High Level Input VCC e Max Reset 20 Current VI e 27V A40 m A B40 IIL Low Level Input VCC e Max Reset b 04 Current VI e 04V A b 24 mA B b 16 IOS Short Circuit VCC e Max b 20 b 100 mA Output Current (Note 4) ICC Supply Current VCC e Max (Note 5) 9 15 mA 2 |
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