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National Semiconductor  · Electronic Components

54F377LMQB

MICROCIRCUIT,DIGITAL — NSN 5962-01-342-3953

Part Number54F377LMQB
ManufacturerNational Semiconductor
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
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating0.5 VOLTS MINIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Design Function8 FLIP-FLOP, D-TYPE
Terminals20 LEADLESS
Enclosure ConfigurationLEADLESS FLAT PACK
Enclosure MaterialCERAMIC
Case Outline Source And DesignatorC-2 MIL-M-38510
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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 54F377LMQB available?
We can source 54F377LMQB 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 54F377LMQB by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54F377LMQB 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 54F377LMQB?
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 54F377LMQB?
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.