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Home  /  Integrated Circuits (ICs)  /  Logic - Flip Flops  /  National Semiconductor 54LS173FMQB
54LS173FMQB
54LS173FMQB
Active
Logic - Flip Flops
Description:  D FLIP-FLOP, LS SERIES
Manufacturer:  National Semiconductor
Datasheet:   54LS173FMQB Datasheet
History Price: $1.54000
In Stock: 14000
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PDF Datasheet
Equivalent
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HAODE TECHNOLOGY
54LS173FMQB
3600
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Apr 21, 2026
Hard Find Electronics Ltd.
54LS173FMQB
33200
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Apr 20, 2026
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54LS173FMQB
36800
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Rooted in Semiconductors, One-stop Chip Solutions
Apr 20, 2026
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54LS173FMQB
7200
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First Choice, Good Service
Apr 20, 2026
PARKIN
54LS173FMQB
20200
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A Great Reputation EMS Partner specializes on E-Components Procurement
Apr 20, 2026
QTreeic Electronics
54LS173FMQB
42400
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Your Integrated Circuit Electronic Components Supplier
Apr 20, 2026
DigiKey
54LS173FMQB
22200
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$
Click and see latest prices from Digikey Electronics
Apr 20, 2026
Anterwell
54LS173FMQB
5400
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$
The 21 years electronic components professional supplier
Apr 20, 2026
Feilifei
54LS173FMQB
22000
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$
New and original
Apr 20, 2026
One River Electronics Ltd
54LS173FMQB
35000
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One River: Quality components, competitive prices, fast shipping, 1-year warranty
Apr 20, 2026
54LS173FMQB Specification
Specification
Mfr Part
54LS173FMQB
Category
Logic - Flip Flops
Manufacturer
National Semiconductor
Series
54LS
Packaging
Bulk
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Function
Master Reset
Type
D-Type
Output Type
Tri-State, Non-Inverted
Number of Elements
1
Number of Bits per Element
4
Clock Frequency
30 MHz
Max Propagation Delay @ V, Max CL
28ns @ 5V, 50pF
Trigger Type
Positive Edge
Current - Output High, Low
12mA
Voltage - Supply
4.5V ~ 5.5V
Current - Quiescent (Iq)
30 mA
Input Capacitance
-
Operating Temperature
-55 ℃ ~ 125 ℃ (TA)
Mounting Type
Surface Mount
Supplier Device Package
16-CFP
Package / Case
16-CFlatpack
54LS173FMQB PDF Datasheet
54LS173FMQB Datasheet
Click and Download: 54LS173FMQB Datasheet
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    Customer Reviews
    4.95 out of 5.00 stars from 96 customer reviews from all over the world
    Christopher Lee
    United States
    5 stars
    2026-04-13 07:00
    Good product, they look brand new, not scraped or broken, very good quality, recommended
    Célia Marchand
    France
    5 stars
    2026-04-13 05:26
    Excellentseller very fast shipping
    Karen Martin
    United States
    5 stars
    2026-04-13 05:02
    They look great, recommended seller, I arrive very fast, thank you very much
    Olli Salo
    Finland
    5 stars
    2026-04-13 01:37
    One of the 10 checked, works, thank you!!
    João Victor
    Brazil
    5 stars
    2026-04-12 22:31
    All right Not Tested
    Samuel
    Spain
    5 stars
    2026-04-12 19:45
    Very correct and corresponds to the description. I have been born several and they are within their value
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