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Nec Electronics USA Inc. Microcomputer  · Electronic Components

UPD446D-3

MICROCIRCUIT,MEMORY — NSN 5962-01-158-5202

Part NumberUPD446D-3
ManufacturerNec Electronics USA Inc. Microcomputer
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,MEMORY
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-55.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating5.0 VOLTS MAXIMUM POWER SOURCE
Max Power Dissipation550.0 MILLIWATTS
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Terminals24 PRINTED CIRCUIT
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialCERAMIC
Time Rating Per Chacteristic150.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT
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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 UPD446D-3 available?
We can source UPD446D-3 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 UPD446D-3 by Nec Electronics USA Inc. Microcomputer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UPD446D-3 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 UPD446D-3?
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 UPD446D-3?
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.