● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
National Semiconductor Corporation  · Electronic Components

54LS393DMQB

MICROCIRCUIT,DIGITAL — NSN 5962-01-125-3105

Part Number54LS393DMQB
ManufacturerNational Semiconductor Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-55.0 TO 125.0 CELSIUS
Enclosure ConfigurationDUAL-IN-LINE
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
Input Circuit PatternDUAL 2 INPUT
Body Length0.785 INCHES MAXIMUM
Body Height0.140 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED
Case Outline Source And DesignatorD-1 MIL-M-38510
Review your list (0) →
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 54LS393DMQB available?
We can source 54LS393DMQB even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 54LS393DMQB by National Semiconductor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54LS393DMQB has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 54LS393DMQB?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 54LS393DMQB?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.