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STMicroelectronics Inc.  · Electronic Components

EF68B21J

MICROCIRCUIT,DIGITAL — NSN 5962-01-192-1767

Part NumberEF68B21J
ManufacturerSTMicroelectronics Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range+0.0 TO 70.0 CELSIUS
Storage Temp Range-55.0 TO 150.0 CELSIUS
Voltage Rating7.0 VOLTS MAXIMUM POWER SOURCE
Max Power Dissipation560.0 MILLIWATTS
Output Logic FormN-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
Design Function1 PERIPHERAL, INTERFACE
Terminals40 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialCERAMIC
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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 EF68B21J available?
We can source EF68B21J 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 EF68B21J by STMicroelectronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EF68B21J 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 EF68B21J?
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 EF68B21J?
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.