전자부품 데이터시트 검색엔진 |
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54LS161AN 데이터시트(PDF) 3 Page - National Semiconductor (TI) |
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54LS161AN 데이터시트(HTML) 3 Page - National Semiconductor (TI) |
3 / 12 page ’LS161 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 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 Input Voltage VI e 7V Clock 02 mA Load 02 Others 01 IIH High Level Input VCC e Max Enable T 40 Current VI e 27V Clock 40 m A Load 40 Others 20 IIL Low Level Input VCC e Max Enable T b 08 Current VI e 04V Clock b 08 mA Load b 08 Others b 04 IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 2) DM74 b 20 b 100 ICCH Supply Current with VCC e Max 18 31 mA Outputs High (Note 3) ICCL Supply Current with VCC e Max 19 32 mA Outputs Low (Note 4) 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 ICCH is measured with the load high then again with the load low with all other inputs high and all outputs open Note 4 ICCL is measured with the clock input high then again with the clock input low with all other inputs low and all outputs open ’LS161 Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) From (Input) RL e 2kX Symbol Parameter To (Output) CL e 15 pF CL e 50 pF Units Min Max Min Max fMAX Maximum Clock Frequency 25 20 MHz tPLH Propagation Delay Time Clock to 25 30 ns Low to High Level Output Ripple Carry tPHL Propagation Delay Time Clock to 30 38 ns High to Low Level Output Ripple Carry tPLH Propagation Delay Time Clock to Any Q 22 27 ns Low to High Level Output (Load High) tPHL Propagation Delay Time Clock to Any Q 27 38 ns High to Low Level Output (Load High) 3 |
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