전자부품 데이터시트 검색엔진 |
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CD74FCT240M 데이터시트(PDF) 2 Page - Texas Instruments |
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CD74FCT240M 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 3 page 2 Switching Specifications FCT Series tr, tf = 2.5ns, CL = 50pF, RL - See Figure 2 PARAMETER SYMBOL VCC (V) +25o C 0oC to +70oC -55oC to +125oC +25o C 0oC to +70oC -55oC to +125oC UNITS TYP MIN MAX MIN MAX TYP MIN MAX MIN MAX Propagation Delays Data to Outputs FCT240/AT tPLH, tPHL 5† 5 1.5 8 1.5 9 4.4 1.5 5.6 1.5 6.7 ns FCT241 tPLH, tPHL 5 4 1.5 6.5 1.5 7 ----- ns FCT244/AT tPLH, tPHL 5 4.5 1.5 6.5 1.5 7 3.8 1.5 5.3 1.5 6.2 µs Output Enable Times FCT240/AT tPZL, tPZH 5 7 1.5 10 1.5 10.5 4.7 1.5 6.2 1.5 7.7 µs FCT241 tPZL, tPZH 5 5.5 1.5 8 1.5 8.5 ----- ns FCT244/AT tPZL, tPZH 5 6 1.5 8 1.5 8.5 4.8 1.5 6.5 1.5 7.8 ns Output Disable Times FCT240/AT tPLZ, tPHZ 5 6 1.5 9.5 1.5 10 4 1.5 5.6 1.5 6.5 µs FCT241 tPLZ, tPHZ 5 4.5 1.5 7 1.5 7.5 ----- ns FCT244/AT tPLZ, tPHZ 5 5 1.5 7 1.5 7.5 4.5 1.5 5.8 1.5 6.8 µs Power Dissipation Capacitance FCT240/AT CPD§ - 38 Typical 38 Typical pF FCT241 CPD§ - 33 Typical - pF FCT244/AT CPD§ 35 Typical 35 Typical pF Min. (Valley) VOHV During Switch- ing of Other Outputs (Output Under Test Not Switching) VOHV See Figure 1 5 0.5 Typical at +25oCV Max. (Peak) VOLP During Switch- ing of Other Outputs (Output Under Test Not Switching) VOLP See Figure 1 5 1 Typical at +25oCV Input Capacitance CI - - - 10 - 10 - - 10 - 10 pF 3-State Output Capacitance CO - - - 15 - 15 - - 15 - 15 pF † 5V: min. is at 5.5V, max. is at 4.5V. 5V: min. is at 5.25V for 0oC to +70oC, max. is at 4.75V for 0oC to +70oC, typ. is at 5V §CPD, measured per function, is used to determine the dynamic power consumption. PD (per package) = VCC ICC + ∑ (VCC 2 fiC PD +VO 2 fo CL + VCC ∆ICC D) where: VCC = supply voltage ∆ICC = flow through current x unit load CL = output load capacitance D = duty cycle of input high fo = output frequency fi = input frequency CD54/74FCT540, CD54/74FCT540AT, CD54/74FCT241, CD54/74FCT244, CD54/74FCT244AT |
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