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54LS169 数据表(PDF) 3 Page - Texas Instruments |
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54LS169 数据表(HTML) 3 Page - Texas Instruments |
3 / 10 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 and 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 DM54LS169A DM74LS169A 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 04 b 04 mA IOL Low Level Output Current 4 8 mA fCLK Clock Frequency (Note 1) 0 25 0 25 MHz Clock Frequency (Note 2) 0 20 0 20 MHz tW Clock Pulse Width (Note 3) 25 25 ns tSU Setup Time Data 20 20 (Note 3) Enable 20 20 T or P ns Load 25 25 UD 30 30 tH Hold Time (Note 3) 0 0 ns TA Free Air Operating Temperature b 55 125 0 70 C Note 1 CL e 15 pF RL e 2kX TA e 25 C and VCC e 5V Note 2 CL e 50 pF RL e 2kX TA e 25 C and VCC e 5V Note 3 TA e 25 C and VCC e 5V Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 4) VI Input Clamp Voltage VCC e Min II eb18 mA b 15 V VOH High Level Output VCC e Min IOH e Max DM54 25 34 V Voltage VIL e Max VIH e Min DM74 27 34 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 4 mA VCC e Min DM74 025 04 II Input Current Max VCC e Max Enable T 02 mA Input Voltage VI e 7V Others 01 IIH High Level Input VCC e Max Enable T 40 m A Current VI e 27V Others 20 IIL Low Level Input VCC e Max Enable T b 08 mA Current VI e 04V Others b 04 IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 5) DM74 b 20 b 100 ICC Supply Current VCC e Max (Note 6) 20 34 mA Note 4 All typicals are at VCC e 5V and TA e 25 C Note 5 Not more than one output should be shorted at a time and the duration should not exceed one second Note 6 ICC is measured after a momentary 45V then ground is applied to the CLOCK with all other inputs grounded and all the outputs open 2 |
类似零件编号 - 54LS169 |
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类似说明 - 54LS169 |
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