전자부품 데이터시트 검색엔진 |
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SN7414 데이터시트(PDF) 5 Page - Texas Instruments |
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SN7414 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 27 page SN5414, SN54LS14, SN7414, SN74LS14 HEX SCHMITT-TRIGGER INVERTERS SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics, VCC = 5 V, TA = 25°C (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) TEST CONDITIONS SN5414 SN7414 UNIT PARAMETER (INPUT) (OUTPUT) TEST CONDITIONS MIN TYP MAX UNIT MIN TYP MAX tPLH A Y RL = 400 Ω CL =15 pF 15 22 ns tPHL A Y RL = 400 Ω, CL = 15 F 15 22 ns recommended operating conditions SN54LS14 SN74LS14 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.75 5 5.25 V IOH High-level output current –0.4 –0.4 mA IOL Low-level output current 4 8 mA TA Operating free-air temperature –55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS† SN54LS14 SN74LS14 UNIT PARAMETER TEST CONDITIONS† MIN TYP‡ MAX MIN TYP‡ MAX UNIT VT+ VCC = 5 V 1.4 1.6 1.9 1.4 1.6 1.9 V VT– VCC = 5 V 0.5 0.8 1 0.5 0.8 1 V Hysteresis (VT+ – VT–) VCC = 5 V 0.4 0.8 0.4 0.8 V VIK VCC = MIN, II = –18 mA –1.5 –1.5 V VOH VCC = MIN, VI = 0.5 V, IOH = –0.4 mA 2.5 3.4 2.7 3.4 V VOL VCC = MIN VI = 19 V IOL= 4 mA 0.25 0.4 0.25 0.4 V VOL VCC = MIN, VI = –1.9 V IOL = 8 mA 0.35 0.5 V IT+ VCC = 5 V, VI = VT+ –0.14 –0.14 mA IT– VCC = 5 V, VI = VT– –0.18 –0.18 mA II VCC = MAX, VI = 7 V 0.1 0.1 mA IIH VCC = MAX, VIH = 2.7 V 20 20 µA IIL VCC = MAX, VIL = 0.4 V –0.4 –0.4 mA IOS§ VCC = MAX –20 –100 –20 –100 mA ICCH VCC = MAX 8.6 16 8.6 16 mA ICCL VCC = MAX 12 21 12 21 mA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values are at VCC = 5 V, TA = 25°C. § Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second. switching characteristics, VCC = 5 V, TA = 25°C (see Figure 2) PARAMETER FROM TO TEST CONDITIONS MIN TYP MAX UNIT PARAMETER (INPUT) (OUTPUT) TEST CONDITIONS MIN TYP MAX UNIT tPLH A Y RL =2kΩ CL =15 pF 15 22 ns tPHL A Y RL = 2 kΩ, CL = 15 F 15 22 ns |
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