Texas Instruments Incorporated · Electronic Components
SN74HC21D
MICROCIRCUIT,DIGITAL — NSN 5962-01-426-0690
Part NumberSN74HC21D
ManufacturerTexas Instruments Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-426-0690 (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 Function2 GATE, AND
Terminals14 PIN
Enclosure MaterialPLASTIC
Input Circuit Pattern4 INPUT
Special FeaturesPACKAGE STYLE SOP
Time Rating Per Chacteristic28.00 NANOSECONDS MAXIMUM PROPAGATION DELAY
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 SN74HC21D available?
We can source SN74HC21D 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 SN74HC21D by Texas Instruments Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SN74HC21D 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 SN74HC21D?
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 SN74HC21D?
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.