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M74HC161F1R Scheda tecnica(PDF) 9 Page - STMicroelectronics |
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M74HC161F1R Scheda tecnica(HTML) 9 Page - STMicroelectronics |
9 / 16 page AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns) Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. tTLH tTHL Output Transition Time 2.0 25 75 95 110 ns 4.5 7 151922 6.0 6 131619 tPLH tPHL Propagation Delay Time (CLOCK - Q) 2.0 48 125 155 190 ns 4.5 16 25 31 38 6.0 14 21 26 32 tPLH tPHL Propagation Delay Time (CLOCK-CARRY) 2.0 COUNT MODE 57 150 190 225 ns 4.5 19 30 38 45 6.0 16 26 32 38 tPLH Propagation Delay Time (CLOCK-CARRY) 2.0 PRESET MODE 66 175 220 265 ns 4.5 22 35 44 53 6.0 19 30 37 45 tPHL Propagation Delay Time (CLOCK-CARRY) 2.0 PRESET MODE 72 200 250 300 ns 4.5 24 40 50 60 6.0 20 34 43 51 tPLH tPHL Propagation Delay Time (ENT-CARRY) 2.0 39 100 125 150 ns 4.5 13 20 25 30 6.0 11 17 21 26 tPLH Propagation Delay Time (CLEAR - Q) 2.0 for HC160/161 only 60 150 190 225 ns 4.5 20 30 38 45 6.0 17 26 32 38 tPHL Propagation Delay Time (CLEAR-CARRY) 2.0 for HC160/161 only 72 200 250 300 ns 4.5 24 40 50 60 6.0 20 34 43 51 fMAX Maximum Clock Frequency 2.0 6.2 18 5 4.2 MHz 4.5 31 53 25 21 6.0 37 62 30 25 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 18 75 95 110 ns 4.5 6 151922 6.0 6 131619 tW(L) Minimum Pulse Width (CLEAR) 2.0 for HC160/161 only 24 75 95 110 ns 4.5 7 151922 6.0 6 131619 ts Minimum Set-up Time (LOAD, PE, TE) 2.0 40 100 125 150 ns 4.5 10 20 25 30 6.0 8 172126 ts Minimum Set-up Time (A, B, C, D) 2.0 20 75 95 110 ns 4.5 5 151922 6.0 3 131619 ts Minimum Set-up Time (CLEAR) 2.0 for HC162/163 only 20 75 95 110 ns 4.5 5 151922 6.0 3 131619 M54/M74HC160/161/162/163 9/16 |
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