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TMUX7308FRRPR Datasheet(PDF) 41 Page - Texas Instruments

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Part # TMUX7308FRRPR
Description  TMUX730xF 짹60-V Fault-Protected, 8:1 and Dual 4:1 Multiplexers with Latch-Up Immunity and 1.8-V Logic
PDF  54 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMUX7308FRRPR Datasheet(HTML) 41 Page - Texas Instruments

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12 Layout
12.1 Layout Guidelines
The image below illustrates an example of a PCB layout with the TMUX7308F and TMUX7309F. Some key
considerations are:
• For reliable operation, connect a decoupling capacitor ranging from 0.1 µF to 10 µF between VDD and VSS to
GND. We recommend a 0.1 µF and 1 µF capacitor, placing the lowest value capacitor as close to the pin as
possible. Make sure that the capacitor voltage rating is sufficient for the supply voltage.
• Keep the input lines as short as possible.
• Use a solid ground plane to help distribute heat and reduce electromagnetic interference (EMI) noise pickup.
• Do not run sensitive analog traces in parallel with digital traces. Avoid crossing digital and analog traces if
possible, and only make perpendicular crossings when necessary.
12.2 Layout Example
A0
EN
VSS
S1
S2
S3
A1
A2
GND
VDD
S5
S6
S4
Via to
ground plane
TMUX7308F
C
S8
D
S7
Wide (low inductance)
trace for power
Via to
ground plane
Via to
ground plane
C
Wide (low inductance)
trace for power
Figure 12-1. TMUX7308FPW Layout Example
S1B
A0
EN
VSS
S1A
S2A
S3A
A1
GND
VDD
S2B
S3B
S4A
Via to
ground plane
TMUX7309F
C
DB
DA
S4B
Wide (low inductance)
trace for power
Via to
ground plane
Via to
ground plane
C
Wide (low inductance)
trace for power
Figure 12-2. TMUX7309FPW Layout Example
www.ti.com
TMUX7308F, TMUX7309F
SCDS403B – FEBRUARY 2021 – REVISED DECEMBER 2021
Copyright © 2021 Texas Instruments Incorporated
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41
Product Folder Links: TMUX7308F TMUX7309F



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