Texas Instruments · Electronic Components
SN7491N
MICROCIRCUIT,DIGITAL — NSN 5962-00-865-4644
Part NumberSN7491N
ManufacturerTexas Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-00-865-4644 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range+0.0 TO 70.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Max Power Dissipation350.0 MILLIWATTS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function1 SHIFT REGISTER, SERIAL IN, SERIAL OUT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Time Rating Per Chacteristic40.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 40.00 NANOSECONDS MAXIMUM PROPAGATION DEL
Precious MaterialSILVER
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 SN7491N available?
We can source SN7491N 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 SN7491N by Texas Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SN7491N 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 SN7491N?
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 SN7491N?
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.