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National Semiconductor Corporation  · Electronic Components

SD19457

MICROCIRCUIT,DIGITAL — NSN 5962-00-548-9328

Part NumberSD19457
ManufacturerNational Semiconductor Corporation
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
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function1 MULTIVIBRATOR, MONOSTABLE
Enclosure ConfigurationFLAT PACK
Enclosure MaterialSILICON
Input Circuit Pattern3 INPUT
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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 SD19457 available?
We can source SD19457 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 SD19457 by National Semiconductor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SD19457 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 SD19457?
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 SD19457?
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.