VIH

VIL

tTRANSITION

10%

90%

OUTPUT

0 V

Log ic

Control

(VSEL)

VDD

tTRANSITION

VS

OUTPUT

RL

CL

SE L

D

GND

VSEL

0 V

tr < 5ns

tf < 5ns

VDD

VDD

0.1…F

S2

S1

VDD

VDD

S1

GND

VS

S2

D

VD

ID (ON)

VDD

VDD

S1

GND

VS

S2

D

Vs

A

IS (ON)

N.C.

N.C.

A

14

TMUX1237

SCDS424A – DECEMBER 2019 – REVISED MARCH 2020

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Copyright © 2019–2020, Texas Instruments Incorporated

7.3 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 9 shows the circuit used for

measuring the on-leakage current, denoted by IS(ON) or ID(ON).

Figure 9. On-Leakage Measurement Setup

7.4 Transition Time

Transition time is defined as the time taken by the output of the device to rise or fall 10% after the logic control

signal has risen or fallen past the logic threshold. The 10% 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 10 shows the setup used to measure transition time, denoted by the symbol

tTRANSITION.

Figure 10. Transition-Time Measurement Setup