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National Semiconductor  · Electronic Components

MM58274CN

IC MPU 24 HR REAL TIME CLK 16DIP

Part NumberMM58274CN
ManufacturerNational Semiconductor
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-40.0 TO 85.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating6.5 VOLTS MAXIMUM POWER SOURCE
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Design Function1 CLOCK, CALENDAR
Terminals16 PRINTED CIRCUIT
Overall Height0.275 INCHES NOMINAL
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Terminal Surface TreatmentSOLDER
Federal Supply Class5962 — Microcircuits, Electronic
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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 MM58274CN available?
We can source MM58274CN 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 MM58274CN by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM58274CN 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 MM58274CN?
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 MM58274CN?
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.