TMUX7308FPWR datasheet(29/54 Pages) TI1

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8.6 Enable Delay Time

tON(EN) time is defined as the time taken by the output of the TMUX7308F and TMUX7309F to rise to a 90% final

value after the EN signal has risen to a 50% final value. tOFF(EN) is defined as the time taken by the output of the

TMUX7308F and TMUX7309F to fall to a 10% initial value after the EN signal has fallen to a 50% initial value.

Figure 8-7 shows the setup used to measure the enable delay time.

3 V

VEN

0 V

50%

tON(EN)

tOFF(EN)

0.1 VS

0.9 VS

Output

tr < 20 ns

tf < 20 ns

GND

VEN

GND

Decoder

VDD

VSS

VDD

VSS

GND

0.1 µF

GND

0.1 µF

Figure 8-7. Enable Delay Measurement Setup

8.7 Transition Time

Transition time is defined as the time taken by the output of the device to rise (to 90% of the transition) or fall (to

10% of the transition) after the address signal (Ax) has fallen or risen to 50% of the transition. Figure 8-8 shows

the setup used to measure transition time, denoted by the symbol tTRAN.

3 V

0 V

50%

tTRAN 1

tTRAN 2

0.9 VS

0.1 VS

Output

tr < 20 ns

tf < 20 ns

tTRAN = max ( tTRAN 1, tTRAN 2)

GND

Decoder

GND

VDD

VSS

VDD

VSS

GND

0.1 µF

VEN

GND

0.1 µF

Figure 8-8. Transition Time Measurement Setup

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TMUX7308F, TMUX7309F

SCDS403C – FEBRUARY 2021 – REVISED JULY 2023

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