National Semiconductor Corporation · Electronic Components
MM74HC257N
MICROCIRCUIT,DIGITAL — NSN 5962-01-231-9461
Part NumberMM74HC257N
ManufacturerNational Semiconductor Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-231-9461 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-40.0 TO 85.0 CELSIUS
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Design Function4 MULTIPLEXER, TWO TO ONE LINE
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Features Provided2-STATE OUTPUT AND LOW CURRENT
Body Length0.780 INCHES MAXIMUM
Body Height0.130 INCHES NOMINAL
Body Width0.250 INCHES NOMINAL
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 MM74HC257N available?
We can source MM74HC257N 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 MM74HC257N by National Semiconductor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM74HC257N 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 MM74HC257N?
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 MM74HC257N?
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.