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M74HC191B1R Folha de dados(PDF) 8 Page - STMicroelectronics |
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M74HC191B1R Folha de dados(HTML) 8 Page - STMicroelectronics |
8 / 14 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. tPLH tPHL Propagation Delay Time (DATA - Q) 2.0 84 175 220 265 ns 4.5 21 35 44 53 6.0 18 30 37 45 tPLH tPHL Propagation Delay Time (ENABLE - RCO) 2.0 39 105 130 160 ns 4.5 13 21 26 32 6.0 11 18 22 27 tPLH tPHL Propagation Delay Time (D/U - RCO) 2.0 63 180 225 270 ns 4.5 21 36 45 54 6.0 18 31 38 46 tPLH tPHL Propagation Delay Time (D/U - MAX/MIN) 2.0 64 160 200 240 ns 4.5 18 32 40 48 6.0 15 27 34 41 fMAX Maximum Clock Frequency 2.0 5 9 4 3.4 MHz 4.5 25 37 20 17 6.0 30 44 24 20 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 40 100 125 150 ns 4.5 10 20 25 30 6.0 9 172126 tW(L) Minimum Pulse Width (LOAD) 2.0 36 75 95 110 ns 4.5 9 151922 6.0 8 131619 ts Minimum Set-up Time (SI, PI - CK) 2.0 80 175 220 265 ns 4.5 20 35 44 53 6.0 17 30 37 45 ts Minimum Set-up Time (S0, S1 - CK) 2.0 16 50 60 75 ns 4.5 4 101215 6.0 3 9 11 13 th Minimum Hold Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 tREM Minimum Removal Time 2.0 12 50 60 5 ns 4.5 3 101215 6.0 3 9 11 13 CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance for HC190 for HC191 111 112 pF (*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN +ICC M54/M74HC190/191 8/14 |
Nº de peça semelhante - M74HC191B1R |
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Descrição semelhante - M74HC191B1R |
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