TMUX7208_V01 datasheet(26/51 Pages) TI

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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).

GND

Is (ON)

VDD

VSS

IS(ON)

GND

VDD

VSS

ID(ON)

ID (ON)

N.C.

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%

tTRANSITION

10%

90%

Output

tr < 20 ns

tf < 20 ns

VDD

VSS

VDD

VSS

0.1 µF

GND

Output

0 V

VSEL

Figure 8-4. Transition-Time Measurement Setup

TMUX7208, TMUX7209

SCDS418B – JULY 2020 – REVISED APRIL 2021

www.ti.com

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