データシートサーチシステム |
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74HC4538 データシート(PDF) 5 Page - ON Semiconductor |
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74HC4538 データシート(HTML) 5 Page - ON Semiconductor |
5 / 16 page MC74HC4538A http://onsemi.com 5 AC CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns) Guaranteed Limits VCC –55 to 25 _C v 85_C v 125_C Symbol Parameter VCC Volts Min Max Min Max Min Max Unit tPLH Maximum Propagation Delay Input A or B to Q (Figures 6 and 8) 2.0 4.5 6.0 175 35 30 220 44 37 265 53 45 ns tPHL Maximum Propagation Delay Input A or B to NQ (Figures 6 and 8) 2.0 4.5 6.0 195 39 33 245 49 42 295 59 50 ns tPHL Maximum Propagation Delay Reset to Q (Figures 7 and 8) 2.0 4.5 6.0 175 35 30 220 44 37 265 53 45 ns tPLH Maximum Propagation Delay Reset to NQ (Figures 7 and 8) 2.0 4.5 6.0 175 35 30 220 44 37 265 53 45 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 7 and 8) 2.0 4.5 6.0 75 15 13 95 19 16 110 22 19 ns Cin Maximum Input Capacitance (A. B, Reset) (Cx, Rx) — 10 25 10 25 10 25 pF 10. For propagation delays with loads other than 50 pF, and information on typical parametric values, see the ON Semiconductor High–Speed CMOS Data Book (DL129/D). Typical @ 25 °C, VCC = 5.0 V CPD Power Dissipation Capacitance (per Multivibrator)* 150 pF *Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see the ON Semiconductor High–Speed CMOS Data Book (DL129/D). TIMING CHARACTERISTICS (Input tr = tf = 6.0 ns) Guaranteed Limits VCC –55 to 25 _C v 85_C v 125_C Symbol Parameter VCC Volts Min Max Min Max Min Max Unit trec Minimum Recovery Time, Inactive to A or B (Figure 7) 2.0 4.5 6.0 0 0 0 0 0 0 0 0 0 ns tw Minimum Pulse Width, Input A or B (Figure 6) 2.0 4.5 6.0 60 12 10 75 15 13 90 18 15 ns tw Minimum Pulse Width, Reset (Figure 7) 2.0 4.5 6.0 60 12 10 75 15 13 90 18 15 ns tr, tf Maximum Input Rise and Fall Times, Reset (Figure 7) 2.0 4.5 6.0 1000 500 400 1000 500 400 1000 500 400 ns A or B (Figure 7) 2.0 4.5 6.0 No Limit |
同様の部品番号 - 74HC4538 |
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同様の説明 - 74HC4538 |
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