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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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54LS192 데이터시트(PDF) 2 Page - National Semiconductor (TI) |
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54LS192 데이터시트(HTML) 2 Page - National Semiconductor (TI) |
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2 / 8 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 54LS 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 54LS192 DM74LS192 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 Voltage b 04 b 04 mA IOL Low Level Output Current 4 8 mA TA Free Air Operating Temperature b 55 125 0 70 C ts (H) Setup Time HIGH or LOW 20 20 ns ts (L) Pn to PL 20 10 th (H) Hold Time HIGH or LOW 3 3 ns th (L) Pn to PL 33 tw (L) CP Pulse Width LOW 17 17 ns tw (L) PL Pulse Width LOW 20 20 ns tw (H) MR Pulse Width HIGH 15 15 ns trec Recovery Time MR to CP 3 3 ns trec Recovery Time PL to CP 10 10 ns 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 Voltage VCC e Min IOH e Max 54LS 25 V VIL e Max DM74 27 VOL Low Level Output Voltage VCC e Min IOL e Max 54LS 04 VIH e Min DM74 05 V IOL e 4 mA VCC e Min DM74 04 II Input Current Max VCC e Max VI e 10V DM54 01 mA Input Voltage VI e 7V DM74 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 IOS Short Circuit VCC e Max 54LS b 20 b 100 mA Output Current (Note 2) DM74 b 20 b 100 ICC Supply Current VCC e Max MR PL e GND 31 mA Other Inputs e 45V 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 2 |
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