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MC74HC163ADG Datasheet(PDF) 5 Page - ON Semiconductor |
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MC74HC163ADG Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 16 page MC74HC161A, MC74HC163A http://onsemi.com 5 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns) Symbol Parameter Figure VCC V Guaranteed Limit Unit – 55 to 25_C v 85_C v 125_C fmax Maximum Clock Frequency (50% Duty Cycle) (Note 8) 4, 10 2.0 3.0 4.5 6.0 6 15 30 35 5 12 24 28 4 10 20 24 MHz tPLH Maximum Propagation Delay, Clock to Q 4, 10 2.0 3.0 4.5 6.0 120 75 20 16 160 120 23 20 200 150 28 22 ns tPHL 4, 10 2.0 3.0 4.5 6.0 145 100 22 18 185 135 25 20 220 150 30 23 ns tPHL Maximum Propagation Delay, Reset to Q (HC161A Only) 5, 10 2.0 3.0 4.5 6.0 145 100 20 17 185 135 22 19 220 150 25 21 ns tPLH Maximum Propagation Delay, Enable T to Ripple Carry Out 6, 10 2.0 3.0 4.5 6.0 110 60 16 14 150 115 18 15 190 140 20 17 ns tPHL 6, 10 2.0 3.0 4.5 6.0 135 100 18 15 175 130 20 16 210 160 22 20 ns tPLH Maximum Propagation Delay, Clock to Ripple Carry Out 4, 10 2.0 3.0 4.5 6.0 120 75 22 18 160 135 27 22 200 150 30 25 ns tPHL 4, 10 2.0 3.0 4.5 6.0 145 100 22 20 185 135 28 24 220 150 35 28 ns tPHL Maximum Propagation Delay, Reset to Ripple Carry Out (HC161A Only) 5, 10 2.0 3.0 4.5 6.0 155 120 22 18 190 140 26 22 230 155 30 25 ns tTLH, tTHL Maximum Output Transition Time, Any Output 5, 10 2.0 3.0 4.5 6.0 75 30 15 13 95 40 19 16 110 55 22 19 ns Cin Maximum Input Capacitance 4, 10 − 10 10 10 pF 8. Applies to noncascaded/nonsynchronous clocked configurations only with synchronously cascaded counters. (1) Clock to Ripple Carry Out propagation delays. (2) Enable T or Enable P to Clock setup times and (3) Clock to Enable T or Enable P hold times determine fmax. However, if Ripple Carry out of each stage is tied to the Clock of the next stage (nonsynchronously clocked) the fmax in the table above is applicable. See Applications information in this data sheet. 9. 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). CPD Power Dissipation Capacitance (Per Gate) (Note 10) Typical @ 25°C, VCC = 5.0 V pF 45 10.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). |
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