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MC74VHCT540AM Fiches technique(PDF) 4 Page - ON Semiconductor |
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MC74VHCT540AM Fiches technique(HTML) 4 Page - ON Semiconductor |
4 / 7 page MC74VHCT540A http://onsemi.com 4 AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns) Symbol Parameter Test Conditions TA = 25°C TA = − 40 to 85°C TA ≤ 125°C Unit Min Typ Max Min Max Min Max tPLH, tPHL Maximum Propagation Delay, A to Y (Figures 1 and 3) VCC = 3.3 ± 0.3 V CL = 15 pF CL = 50 pF 4.8 7.3 7.0 10.5 1.0 1.0 8.5 12.0 10.5 14.0 ns VCC = 5.0 ± 0.5 V CL = 15 pF CL = 50 pF 3.7 5.2 5.0 7.0 1.0 1.0 6.0 8.0 8.0 10.0 tPZL, tPZH Output Enable TIme, OEn to Y (Figures 2 and 4) VCC = 3.3 ± 0.3 V CL = 15 pF RL = 1.0 kΩ CL = 50 pF 6.8 9.3 10.5 14.0 1.0 1.0 12.5 16.0 15.0 19.0 ns VCC = 5.0 ± 0.5 V CL = 15 pF RL = 1.0 kΩ CL = 50 pF 4.7 6.2 7.2 9.2 1.0 1.0 8.5 10.5 10.5 13.0 tPLZ, tPHZ Output Disable Time, OEn to Y (Figures 2 and 4) VCC = 3.3 ± 0.3 V CL = 50 pF RL = 1.0 kΩ 11.2 15.4 1.0 17.5 20.0 ns VCC = 5.0 ± 0.5 V CL = 50 pF RL = 1.0 kΩ 6.0 8.8 1.0 10.0 11.5 tOSLH, tOSHL Output to Output Skew VCC = 3.3 ± 0.3 V CL = 50 pF (Note 3) 1.5 1.5 2.0 ns VCC = 5.0 ± 0.5 V CL = 50 pF (Note 3) 1.0 1.0 1.5 ns Cin Maximum Input Capacitance 4.0 10 10 10 pF Cout Maximum Three−State Output Capacitance (Output in High Impedance State) 6.0 pF CPD Power Dissipation Capacitance (Note 4) Typical @ 25°C, VCC = 5.0V pF 17 3. Parameter guaranteed by design. tOSLH = |tPLHm − tPLHn|, tOSHL = |tPHLm − tPHLn|. 4. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC/8 (per bit). CPD is used to determine the no−load dynamic power consumption; PD = CPD VCC2 fin + ICC VCC. NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 5.0 V) Symbol Parameter TA = 25°C Unit Typ Max VOLP Quiet Output Maximum Dynamic VOL 0.9 1.2 V VOLV Quiet Output Minimum Dynamic VOL − 0.9 −1.2 V VIHD Minimum High Level Dynamic Input Voltage 3.5 V VILD Maximum Low Level Dynamic Input Voltage 1.5 V |
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