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MM54HC161 датащи(PDF) 3 Page - National Semiconductor (TI) |
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MM54HC161 датащи(HTML) 3 Page - National Semiconductor (TI) |
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3 / 6 page ![]() AC Electrical Characteristics VCCe5V TAe25 C CLe15 pF tretfe6ns Symbol Parameter Conditions Typ Guaranteed Limit Units fMAX Maximum Operating Frequency 43 30 MHz tPHL tPLH Maximum Propagation Delay Clock to RC 30 35 ns tPHL tPLH Maximum Propagation Delay Clock to Q 29 34 ns tPHL tPLH Maximum Propagation Delay ENT to RC 18 32 ns tPHL Maximum Propagation Delay Clear to Q or RC 27 38 ns tREM Minimum Removal Time Clear to Clock 10 20 ns tS Minimum Set Up Time Clear Load 30 ns Enable or Data to Clock tH Minimum Hold Time Data from Clock 5 ns tW Minimum Pulse Width Clock 16 ns Clear or Load AC Electrical Characteristics CLe50 pF tretfe6 ns (unless otherwise specified) TAe25 C 74HC 54HC Symbol Parameter Conditions VCC TAeb40 to 85 CTAeb55 to 125 C Units Typ Guaranteed Limits fMAX Maximum Operating 20V 10 5 4 4 MHz Frequency 45V 40 27 21 18 MHz 60V 45 32 25 21 MHz tPHL Maximum Propagation 20V 100 215 271 320 ns Delay Clock to RC 45V 32 43 54 64 ns 60V 28 37 46 54 ns tPLH Maximum Propagation 20V 88 175 220 260 ns Delay Clock to RC 45V 18 35 44 52 ns 60V 15 30 37 44 ns tPHL Maximum Propagation 20V 95 205 258 305 ns Delay Clock to Q 45V 30 41 52 61 ns 60V 26 35 44 52 ns tPLH Maximum Propagation 20V 85 170 214 253 ns Delay Clock to Q 45V 17 34 43 51 ns 60V 14 29 36 43 ns tPHL Maximum Propagation 20V 90 195 246 291 ns Delay ENT to RC 45V 28 39 49 58 ns 60V 24 33 42 49 ns tPLH Maximum Propagation 20V 80 160 202 238 ns Delay ENT to RC 45V 16 32 40 48 ns 60V 14 27 34 41 ns tPHL Maximum Propagation 20V 100 220 275 325 ns Delay Clear to RC 45V 32 44 55 66 ns 60V 28 37 47 55 ns tPHL Maximum Propagation 20V 100 210 260 315 ns Delay Clear to Q 45V 32 42 52 63 ns 60V 28 36 45 54 ns tREM Minimum Removal Time 20V 125 158 186 ns Clear to Clock 45V 25 32 37 ns 60V 21 27 32 ns tS Minimum Setup 20V 150 190 225 ns Time Clear or Data 45V 30 38 45 ns to Clock 60V 26 32 38 ns tS Minimum Setup 20V 135 170 200 ns Time Load 45V 27 34 41 ns to Clock 60V 23 29 35 ns tS Minimum Setup 20V 175 220 260 ns Time Enable 45V 35 44 52 ns to Clock 60V 30 37 44 ns tH Minimum Hold Time 20V 50 63 75 ns Data from Clock 45V 10 13 15 ns 60V 9 11 13 ns 3 |
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