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M54HC4351 数据表(PDF) 8 Page - STMicroelectronics |
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M54HC4351 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 16 page ![]() AC ELECTRICAL CHARACTERISTICS for HC4353 (CL =50 pF, Input tr =tf =6 ns, GND=0V) Symbol Parameter Test Conditions Value Unit VCC (V) VEE (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. ΦI/O Phase Difference Between Input and Output 2.0 GND 25 60 75 ns 4.5 GND 6 12 15 6.0 GND 5 10 13 4.5 -4.5 4 tPZL tPZH Output Enable Time (E1, E2 - O) 2.0 GND RL =1K Ω 100 200 250 300 ns 4.5 GND 22 40 50 60 6.0 GND 18 34 43 51 4.5 -4.5 19 tPZL tPZH Output Enable Time (LE - I/O) 2.0 GND RL =1K Ω 110 225 280 340 ns 4.5 GND 24 45 56 68 6.0 GND 20 38 48 57 4.5 -4.5 18 tPZL tPZH Output Enable Time (A, B, C - I/O) 2.0 GND RL =1K Ω 100 225 280 340 ns 4.5 GND 22 45 56 68 6.0 GND 18 38 48 57 4.5 -4.5 19 tPLZ tPHZ Output Disable Time (E1, E2 - O) 2.0 GND RL =1K Ω 130 290 363 435 ns 4.5 GND 38 58 72 87 6.0 GND 32 49 61 74 4.5 -4.5 30 tPLZ tPHZ Output Disable Time (LE - I/O) 2.0 GND RL =1K Ω 140 300 375 450 ns 4.5 GND 41 60 75 90 6.0 GND 34 51 64 77 4.5 -4.5 37 tPLZ tPHZ Output Disable Time (A, B, C - I/O) 2.0 GND RL =1K Ω 135 325 406 ns 4.5 GND 42 65 81 100 6.0 GND 32 55 69 85 4.5 -4.5 35 tW(H) Minimum Pulse Width (LE) 2.0 75 95 110 ns 4.5 15 19 22 6.0 13 16 19 ts Minimum Set Up Time 2.0 50 60 75 ns 4.5 10 12 15 6.0 9 11 13 th Minimum Hold Time 2.0 5 5 5 ns 4.5 5 5 5 6.0 5 5 5 CIN Input Capacitance 5 10 10 10 pF CIS Common Terminal Capacitance 5.0 -5.0 11 20 20 20 pF COS Switch Terminal Capacitance 5.0 -5.0 7 151515 pF CIOS Feed Through Capacitance 5.0 -5.0 0.75 2 2 2 pF CPD (*) Power Dissipation Capacitance 5.0 GND 10 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/M74HC4351/4352/4353 8/16 |
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