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MC74VHCT244ADT Datasheet(PDF) 3 Page - ON Semiconductor |
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MC74VHCT244ADT Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 6 page MC74VHCT244A VHC Data – Advanced CMOS Logic DL203 — Rev 1 3 MOTOROLA DC ELECTRICAL CHARACTERISTICS Unit TA = – 40 to 85°C TA = 25°C VCC V Test Conditions Parameter Symbol Unit Max Min Max Typ Min VCC V Test Conditions Parameter Symbol ICCT Quiescent Supply Current Per Input: VIN = 3.4V Other Input: VCC or GND 5.5 1.35 1.50 mA IOPD Output Leakage Current VOUT = 5.5V 0 0.5 5.0 µA AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns) Sb l P T C di i TA = 25°C TA = – 40 to 85°C Ui Symbol Parameter Test Conditions Min Typ Max Min Max Unit tPLH, tPHL Maximum Propagation Delay A to YA or B to YB VCC = 5.0 ± 0.5V CL = 15pF CL = 50pF 5.4 5.9 7.4 8.4 1.0 1.0 8.5 9.5 ns tPZL, tPZH Output Enable Time OEA to YA or OEB to YB VCC = 5.0 ± 0.5V CL = 15pF RL = 1kΩ CL = 50pF 7.7 8.2 10.4 11.4 1.0 1.0 12.0 13.0 ns tPLZ, tPHZ Output Disable Time OEA to YA or OEB to YB VCC = 5.0 ± 0.5V CL = 50pF RL = 1kΩ 8.8 11.4 1.0 13.0 ns tOSLH, tOSHL Output to Output Skew VCC = 5.0 ± 0.5V CL = 50pF (Note NO TAG) 1.0 1.0 pF Cin Maximum Input Capacitance 4 10 10 pF Cout Maximum Three–State Output Capacitance (Output in High–Impedance State) 9 pF C P Di i i C i (N NO TAG) Typical @ 25 °C, VCC = 5.0V F CPD Power Dissipation Capacitance (Note NO TAG) 18 pF 1. Parameter guaranteed by design. tOSLH = |tPLHm – tPLHn|, tOSHL = |tPHLm – tPHLn|. 2. 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 = 3.0ns, CL = 50pF, VCC = 5.0V) Sb l P TA = 25°C Ui Symbol Parameter Typ Max Unit VOLP Quiet Output Maximum Dynamic VOL 0.9 1.1 V VOLV Quiet Output Minimum Dynamic VOL – 0.9 – 1.1 V VIHD Minimum High Level Dynamic Input Voltage 2.0 V VILD Maximum Low Level Dynamic Input Voltage 0.8 V |
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