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CD74AC138 データシート(PDF) 6 Page - Texas Instruments |
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CD74AC138 データシート(HTML) 6 Page - Texas Instruments |
6 / 7 page 6 Propagation Delay, E3 to Output (CD74AC/ACT238) tPLH, tPHL 5 3.5 - 12.4 3.4 - 13.6 ns Input Capacitance CI - - -10- -10 pF Power Dissipation Capacitance CPD (Note 13) - - 110 - - 110 - pF NOTES: 10. Limits tested at 100%. 11. 3.3V Min at 3.6V, Max at 3V. 12. 5V Min at 5.5V, Max at 4.5V. 13. CPD is used to determine the dynamic power consumption per package. 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. Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case) (Continued) PARAMETER SYMBOL VCC (V) -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN TYP MAX FIGURE 1. PROPAGATION DELAY TIMES FIGURE 2. PROPAGATION DELAY TIMES tr = 3ns tf = 3ns 90% VS 10% GND INPUT 138 OUTPUT tPHL tPLH 238 OUTPUT tPLH tPHL VS VS E1, E2 tr = 3ns tf = 3ns 90% VS GND INPUT 138 OUTPUT tPHL tPLH 238 OUTPUT tPLH tPHL VS VS E3 DUT OUTPUT RL (NOTE) OUTPUT LOAD 500 Ω CL 50pF NOTE: For AC Series Only: When VCC = 1.5V, RL = 1kΩ. FIGURE 3. PROPAGATION DELAY TIMES AC ACT Input Level VCC 3V Input Switching Voltage, VS 0.5 VCC 1.5V Output Switching Voltage, VS 0.5 VCC 0.5 VCC CD54/74AC138, CD54/74ACT138, CD74AC238, CD74ACT238 |
同様の部品番号 - CD74AC138 |
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同様の説明 - CD74AC138 |
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