Fairchild Semiconductor · Electronic Components
DM74LS240N
IC INVERTER DUAL 4-INPUT 20DIP
Part NumberDM74LS240N
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-206-7696 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range+0.0 TO 70.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function1 BUFFER AND 1 DRIVER, LINE
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialPLASTIC
Features Provided3-STATE OUTPUT
Body Length1.010 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
Input Circuit Pattern10 INPUT
Body Height0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM
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 DM74LS240N available?
We can source DM74LS240N 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 DM74LS240N by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DM74LS240N 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 DM74LS240N?
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 DM74LS240N?
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.