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TMUX7412F Datasheet(PDF) 28 Page - Texas Instruments

Part # TMUX7412F
Description  TMUX741xF ±60 V Fault-Protected, 1:1 (SPST), 4-Channel Switches With Latch-Up Immunity and 1.8-V Logic
PDF  48 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TMUX7412F Datasheet(HTML) 28 Page - Texas Instruments

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8.8 Fault Flag Response Time
Fault flag response time (tRESPONSE(FLAG)) measures the delay between the source voltage exceeding the fault
supply voltage (VDD or VSS) by 0.5 V and the general fault flag (FF) pin to go below 10% of its original value.
Figure 8-9 shows the setup used to measure tRESPONSE(FLAG).
VS
0 V
tRESPONSE(FLAG)_VDD
VFF
VDD + 0.5 V
0 V
0.5 V
VS
0 V
tRESPONSE(FLAG)_VSS
VFN - 0.5 V
tRESPONSE(FLAG) = max ( tRESPONSE(FLAG)_VDD, tRESPONSE(FLAG)_VSS)
5 V
VFF
0.5 V
5 V
0 V
CL_FF
GND
RPU
5 V
GND
RL
VS
GND
CL
GND
VDD
VSS
VDD
VSS
GND
0.1 µF
GND
0.1 µF
Sx
GND
GND
Dx
All other
source and
drain pins
SW
FF
Figure 8-9. Fault Flag Response Time Measurement Setup
8.9 Fault Flag Recovery Time
Fault flag recovery time (tRECOVERY(FLAG)) measures the delay between the source voltage falling from
overvoltage condition to below fault supply voltage (VDD or VSS) plus 0.5 V and the general fault flag (FF)
pin to rise above 3 V with 5 V external pull-up. Figure 8-10 shows the setup used to measure tRECOVERY(FLAG).
tRECOVERY(FLAG)_VDD
VFF
CL_FF
GND
0 V
3 V
tRECOVERY(FLAG)_VSS
tRECOVERY(FLAG) = max ( tRECOVERY(FLAG)_VDD, tRECOVERY(FLAG)_VSS)
5 V
0 V
3 V
5 V
RPU
5 V
VDD + 0.5 V
0 V
VDD - 0.5 V
0 V
VS
GND
RL
VS
GND
CL
GND
VDD
VSS
VDD
VSS
GND
0.1 µF
GND
0.1 µF
Sx
GND
GND
Dx
All other
source and
drain pins
SW
FF
VS
VFF
Figure 8-10. Fault Flag Recovery Time Measurement Setup
TMUX7411F, TMUX7412F, TMUX7413F
SCDS404B – MARCH 2021 – REVISED NOVEMBER 2022
www.ti.com
28
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: TMUX7411F TMUX7412F TMUX7413F



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