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DM74LS136 数据表(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS136 数据表(HTML) 2 Page - National Semiconductor (TI) |
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2 / 4 page ![]() Absolute Maximum Ratings (Note) Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range 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 Min Nom Max Units VCC Supply Voltage 475 5 525 V VIH High Level Input Voltage 2 V VIL Low Level Input Voltage 08 V IOL Low Level Output Current 8 mA 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 1) VI Input Clamp Voltage VCC e Min II eb18 mA b 15 V ICEX High Level Output Current VCC e Min VO e 55V 100 m A VOL Low Level Output VCC e Min IOL e Max 035 05 Voltage VIH e Min V IOL e 4 mA VCC e Min 025 04 II Input Current Max VCC e Max VI e 7V 02 mA Input Voltage IIH High Level Input Current VCC e Max VI e 27V 40 m A IIL Low Level Input Current VCC e Max VI e 04V b 06 mA ICC Supply Current VCC e Max 10 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 Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) RL e 2kX Symbol Parameter CL e 15 pF Units Min Max tPLH Propagation Delay Time 23 ns Low to High Level Output tPHL Propagation Delay Time 23 ns High to Low Level Output 2 |
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