データシートサーチシステム |
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DM74LS221N データシート(PDF) 3 Page - National Semiconductor (TI) |
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DM74LS221N データシート(HTML) 3 Page - National Semiconductor (TI) |
3 / 6 page Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) (Continued) Symbol Parameter Conditions Min Typ Max Units (Note 1) IIH High Level Input Current VCC e Max VI e 27V 20 m A IIL Low Level Input VCC e Max A1 A2 b 04 Current VI e 04V B b 08 mA Clear b 08 IOS Short Circuit VCC e Max b 20 b 100 mA Output Current (Note 2) ICC Supply Current VCC e Max Quiescent 47 11 mA Triggered 19 27 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 Symbol Parameter From (Input) Conditions Min Max Units To (Output) tPLH Propagation Delay Time A1 A2 CEXT e 80 pF 70 ns Low to High Level Output to Q REXT e 2kX tPLH Propagation Delay Time B CL e 15 pF 55 ns Low to High Level Output to Q RL e 2kX tPHL Propagation Delay Time A1 A2 80 ns High to Low Level Output to Q tPHL Propagation Delay Time B 65 ns High to Low Level Output to Q tPLH Propagation Delay Time Clear to 65 ns Low to High Level Output Q tPHL Propagation Delay Time Clear 55 ns High to Low Level Output to Q tW(out) Output Pulse A1 A2 CEXT e 0 Width Using Zero to Q Q REXT e 2kX 20 70 ns Timing Capacitance RL e 2kX CL e 15 pF tW(out) Output Pulse A1 A2 CEXT e 100 pF Width Using External to Q Q REXT e 10 kX 600 750 ns Timing Resistor RL e 2kX CL e 15 pF CEXT e 1 mF REXT e 10 kX 6 75 ms RL e 2kX CL e 15 pF CEXT e 80 pF REXT e 2kX 70 150 ns RL e 2kX CL e 15 pF 3 |
同様の部品番号 - DM74LS221N |
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同様の説明 - DM74LS221N |
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