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CD74AC253E 데이터시트(PDF) 5 Page - Texas Instruments |
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CD74AC253E 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 15 page 5 ACT Input Load Table INPUT UNIT LOAD S0, S1, nI0, nI1 1 nOE 0.83 NOTE: Unit load is ∆ICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA max at 25oC. Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case) PARAMETER SYMBOL VCC (V) -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN TYP MAX AC TYPES Propagation Delay, S0, S1, to Y tPLH, tPHL 1.5 - - 227 - - 250 ns 3.3 (Note 9) 7.2 -25 7 -28 ns 5 (Note 10) 5.2 - 18.2 5 - 20 ns Propagation Delay, nI to Y tPLH, tPHL 1.5 - - 151 - - 166 ns 3.3 4.8 - 16.9 4.7 - 18.6 ns 5 3.4 - 12.1 3.3 - 13.3 ns Propagation Delay, Output Enable, Output Disable to Y tPLZ, tPHZ, tPZL, tPZH 1.5 - - 131 - - 144 ns 3.3 4.5 - 15.7 4.3 - 17.3 ns 5 3 - 10.5 2.9 - 11.5 ns Three-State Output Capacitance CO - - -15- -15 pF Input Capacitance CI - - -10- -10 pF Power Dissipation Capacitance CPD (Note 11) - - 107 - - 107 - pF ACT TYPES Propagation Delay, S0, S1, to Y tPLH, tPHL 5 (Note 10) 5.7 - 20 5.5 - 22 ns Propagation Delay, nI to Y tPLH, tPHL 5 4.6 - 16.4 4.5 - 18 ns Propagation Delay, Output Enable, Output Disable to Y tPLZ, tPHZ, tPZL, tPZH 5 3.2 - 11.5 3.2 - 12.6 ns Three-State Output Capacitance CO - - -15- -15 pF Input Capacitance CI - - -10- -10 pF Power Dissipation Capacitance CPD (Note 11) - - 107 - - 107 - pF NOTES: 8. Limits tested 100%. 9. 3.3V Min is at 3.6V, Max is at 3V. 10. 5V Min is at 5.5V, Max is at 4.5V. 11. CPD is used to determine the dynamic power consumption per multiplexer. AC: PD = VCC 2 f i (CPD + CL) ACT: PD = VCC 2 f i (CPD + CL) + VCC ∆ICC where fi = input frequency, CL = output load capacitance, VCC = supply voltage. CD74AC253, CD54/74ACT253 |
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