Fairchild Semiconductor · Electronic Components
MM74HC251N
IC MULTIPLEXER 3ST 8INPUT 16-DIP
Part NumberMM74HC251N
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-498-3461 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-40.0 TO 85.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating-0.5 VOLTS MINIMUM INPUT AND 7.0 VOLTS MAXIMUM INPUT
Max Power Dissipation600.0 MILLIWATTS
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Design Function1 MULTIPLEXER/DEMULTIPLEXER, CMOS
Terminals16 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Terminal Surface TreatmentSOLDER
Features Provided3-STATE OUTPUT AND ELECTROSTATIC SENSITIVE AND LOW POWER AND HIGH IMPEDANCE
Federal Supply Class5962 — Microcircuits, Electronic
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 MM74HC251N available?
We can source MM74HC251N 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 MM74HC251N by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM74HC251N 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 MM74HC251N?
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 MM74HC251N?
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.