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TMUX7348FPWR Datasheet(PDF) 30 Page - Texas Instruments

Part # TMUX7348FPWR
Description  TMUX734xF ±60-V Fault-Protected, 8:1 and Dual 4:1 Multiplexers With Adjustable Fault Threshold, Latch-Up Immunity, and 1.8-V Logic
PDF  64 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMUX7348FPWR Datasheet(HTML) 30 Page - Texas Instruments

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IS (FA)
SW
SW
S1
S2
D
SW
S8
GND
A
GND
GND
VS
ID (FA)
A
N.C.
N.C.
GND
Unpowered
(VDD = VSS = VFP = VFN = 0 V)
IS (FA)
SW
SW
S1
S2
D
SW
S8
GND
A
GND
GND
VS
ID (FA)
A
N.C.
N.C.
N.C.
Floating
(VDD = VSS = VFP = VFN = N.C.)
VDD
VSS
VFP
VFN
VDD
VSS
VFP
VFN
Figure 8-5. Measurement Setup for Input and Output Leakage Current Under Overvoltage Fault with
Unpowered or Floating Supplies
8.5 Break-Before-Make Delay
The break-before-make delay is a safety feature of the TMUX7348F and TMUX7349F. The ON switches first
break the connection before the OFF switches make connection. The time delay between the break and the
make is known as break-before-make delay. Figure 8-6 shows the setup used to measure break-before-make
delay, denoted by the symbol tBBM.
3 V
VA
0 V
tBBM 1
0.8 VD
Output
0 V
tBBM = min ( tBBM 1, tBBM 2)
VD
tBBM 2
tr < 20 ns
tf < 20 ns
SW
S1
S2
D
SW
S8
GND
RL
GND
GND
SW
GND
Decoder
A0
A1
A2
GND
VA
GND
VS
GND
EN
VDD VSS
VFP VFN
VDD
VSS
GND
GND
0.1 µF
0.1 µF
CL
VEN
SW
S7
Figure 8-6. Break-Before-Make Delay Measurement Setup
TMUX7348F, TMUX7349F
SCDS400B – MARCH 2022 – REVISED JULY 2023
www.ti.com
30
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Copyright © 2023 Texas Instruments Incorporated
Product Folder Links: TMUX7348F TMUX7349F



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