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DM74LS251M データシート(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS251M データシート(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 DM54LS b 55 Cto a125 C 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 DM54LS251 DM74LS251 Units Min Nom Max Min Nom Max VCC Supply Voltage 45 5 55 475 5 525 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 07 08 V IOH High Level Output Current b 1 b 26 mA IOL Low Level Output Current 12 24 mA TA Free Air Operating Temperature b 55 125 0 70 C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 1) VI Input Clamp Voltage VCC e Min II eb18 mA b 15 V VOH High Level Output VCC e Min IOH e Max DM54 24 34 V Voltage VIL e Max VIH e Min DM74 24 31 VOL Low Level Output VCC e Min IOL e Max DM54 025 04 Voltage VIL e Max VIH e Min DM74 035 05 V IOL e 12 mA VCC e Min DM74 025 04 II Input Current Max VCC e Max VI e 7V 01 mA Input Voltage IIH High Level Input Current VCC e Max VI e 27V 20 m A IIL Low Level Input Current VCC e Max VI e 04V b 04 mA IOZH Off-State Output Current VCC e Max VO e 27V with High Level Output VIH e Min VIL e Max 20 m A Voltage Applied IOZL Off-State Output Current VCC e Max VO e 04V with Low Level Output VIH e Min VIL e Max b 20 m A Voltage Applied IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 2) DM74 b 20 b 100 ICC1 Supply Current VCC e Max (Note 3) 61 10 mA ICC2 Supply Current VCC e Max (Note 4) 71 12 mA Note 1 All typicals are at VCC e 5V TA e 25 C Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second Note 3 ICC1 is measured with the outputs open STROBE grounded and all other inputs at 45V Note 4 ICC2 is measured with the outputs open and all inputs at 45V 2 |
同様の部品番号 - DM74LS251M |
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同様の説明 - DM74LS251M |
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