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TMUX7201 Scheda tecnica(PDF) 21 Page - Texas Instruments |
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TMUX7201 Scheda tecnica(HTML) 21 Page - Texas Instruments |
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21 / 39 page ![]() 7.5 tON (VDD) Time The tON (VDD) time is defined as the time taken by the output of the device to rise to 90% after the supply has risen past the supply threshold. The 90% measurement is used to provide the timing of the device turning on in the system. Figure 7-5 shows the setup used to measure turn on time, denoted by the symbol tON (VDD). VDD Supply Ramp 0 V 4.5 V tON 90% Output tr = 10 µs RL CL VDD VSS VSS 0.1 µF 0.1 µF S GND D SEL Output 0 V VDD VS 3 V Figure 7-5. tON (VDD) Time Measurement Setup 7.6 Propagation Delay Propagation delay is defined as the time taken by the output of the device to rise or fall 50% after the input signal has risen or fallen past the 50% threshold. Figure 7-6 and Equation 1 shows the setup used to measure propagation delay, denoted by the symbol tPD. RL CL VDD VSS VDD VSS 0.1 µF 0.1 µF S GND D Output VS 250 mV 0 V tPD 1 Output 0 V Input (VS) tr < 40 ps tf < 40 ps tPD 2 50% 50% 50% 50% 50 Ω Figure 7-6. Propagation Delay Measurement Setup tProp Delay = max tPD 1, tPD 2 (1) www.ti.com TMUX7201, TMUX7202 SCDS443A – OCTOBER 2022 – REVISED MARCH 2023 Copyright © 2023 Texas Instruments Incorporated Submit Document Feedback 21 Product Folder Links: TMUX7201 TMUX7202 |
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