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Microchip Technology  · Memory > EEPROM

93C66EM

4 Kbit Microwire serial EEPROM

Part Number93C66EM
ManufacturerMicrochip Technology
AvailabilityAvailable to order — request a quote

Specifications

TechnologySerial EEPROM
InterfaceMicrowire
Density4 Kbit
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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 93C66EM available?
We can source 93C66EM 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 93C66EM by Microchip Technology obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 93C66EM 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 93C66EM?
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 93C66EM?
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.