전자부품 데이터시트 검색엔진 |
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DM54LS374 데이터시트(PDF) 5 Page - National Semiconductor (TI) |
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DM54LS374 데이터시트(HTML) 5 Page - National Semiconductor (TI) |
5 / 8 page ’LS374 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 DM54 24 34 IOH e Max DM74 24 31 V VIL e Max VIH e Min VOL Low Level Output Voltage VCC e Min DM54 025 04 IOL e Max DM74 035 05 VIL e Max V VIH e Min IOL e 12 mA DM74 025 04 VCC e Min 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 VCC e Max VO e 27V Current with High VIH e Min VIL e Max 20 m A Level Output Voltage Applied IOZL Off-State Output VCC e Max VO e 04V Current with Low VIH e Min VIL e Max b 20 m A Level Output Voltage Applied IOS Short Circuit VCC e Max DM54 b 50 b 225 mA Output Current (Note 2) DM74 b 50 b 225 ICC Supply Current VCC e Max Dn e GND OC e 45V 27 45 mA ’LS374 Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) RL e 667X Symbol Parameter CL e 45 pF CL e 150 pF Units Min Max Min Max fMAX Maximum Clock Frequency 35 20 MHz tPLH Propagation Delay Time 28 32 ns Low to High Level Output tPHL Propagation Delay Time 28 38 ns High to Low Level Output tPZH Output Enable Time 28 44 ns to High Level Output tPZL Output Enable Time 28 44 ns to Low Level Output tPHZ Output Disable Time 20 ns from High Level Output (Note 3) tPLZ Output Disable Time 25 ns from Low Level Output (Note 3) 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 CL e 5 pF 5 |
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