National Semiconductor Corporation · Electronic Components
MM54C992J
MICROCIRCUIT,DIGITAL — NSN 5962-01-180-9484
Part NumberMM54C992J
ManufacturerNational Semiconductor Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-180-9484 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-55.0 TO 125.0 CELSIUS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function2 ENCODER, KEYBOARD
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialGLASS
Body Height0.020 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
Body Length0.765 INCHES MAXIMUM
Body Width0.291 INCHES MAXIMUM
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MM54C992J available?
We can source MM54C992J 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 MM54C992J by National Semiconductor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM54C992J 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 MM54C992J?
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 MM54C992J?
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.