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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMUX7208 датащи(PDF) 26 Page - Texas Instruments |
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TMUX7208 датащи(HTML) 26 Page - Texas Instruments |
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26 / 51 page  8.3 On-Leakage Current Source on-leakage current is defined as the leakage current flowing into or out of the source pin when the switch is on. This current is denoted by the symbol IS(ON). Drain on-leakage current is defined as the leakage current flowing into or out of the drain pin when the switch is on. This current is denoted by the symbol ID(ON). Either the source pin or drain pin is left floating during the measurement. Figure 8-3 shows the circuit used for measuring the on-leakage current, denoted by IS(ON) or ID(ON). S1 GND VS D A Is (ON) VDD VSS IS(ON) S1 GND D VD S2 VDD VSS ID(ON) ID (ON) A N.C. N.C. VS S8 VS S8 S2 Figure 8-3. On-Leakage Measurement Setup 8.4 Transition Time Transition time is defined as the time taken by the output of the device to rise or fall 90% after the address signal has risen or fallen past the logic threshold. The 90% transition measurement is utilized to provide the timing of the device. System level timing can then account for the time constant added from the load resistance and load capacitance. Figure 8-4 shows the setup used to measure transition time, denoted by the symbol tTRANSITION. 3 V VSEL 0 V 50% 50% tTRANSITION tTRANSITION 10% 90% Output tr < 20 ns tf < 20 ns RL CL VDD VSS VDD VSS 0.1 µF 0.1 µF S1 GND D Output 0 V VSEL VS S2 S8 A0 A1 A2 Figure 8-4. Transition-Time Measurement Setup TMUX7208, TMUX7209 SCDS418B – JULY 2020 – REVISED APRIL 2021 www.ti.com 26 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: TMUX7208 TMUX7209 |
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