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DM74LS73AW Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS73AW 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 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 DM54LS73A DM74LS73A 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 2) 0 30 0 30 MHz fCLK Clock Frequency (Note 3) 0 25 0 25 MHz tW Pulse Width Clock High 20 20 (Note 2) Preset Low 25 25 ns Clear Low 25 25 tW Pulse Width Clock High 25 25 (Note 3) Preset Low 30 30 ns Clear Low 30 30 tSU Setup Time (Notes 1 and 2) 20 v 20 v ns tSU Setup Time (Notes 1 and 3) 25 v 25 v ns tH Hold Time (Notes 1 and 2) 0 v 0 v ns tH Hold Time (Notes 1 and 3) 5 v 5 v ns TA Free Air Operating Temperature b 55 125 0 70 C Note 1 The symbol ( v) indicates the falling edge of the clock pulse is used for reference Note 2 CL e 15 pF RL e 2kX TA e 25 C and VCC e 5V Note 3 CL e 50 pF RL e 2kX TA e 25 C and VCC e 5V 2 |
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