Microchip Technology · Electronic Components
93LC66B
4K 2.5V Microwire ? Serial EEPROM
Part Number93LC66B
ManufacturerMicrochip Technology
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-548-7118 (NSN)
Federal Item NameMICROCIRCUIT,MEMORY
Operating Temp Range-65.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating2.0 VOLTS MINIMUM HIGH LEVEL OUTPUT
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Terminals8 PIN
Enclosure ConfigurationPIN GRID ARRAY
Memory Capacity256K X 16
Capitance Rating Per Characteristi7.00 INPUT PICOFARADS MAXIMUM AND 7.00 OUTPUT PICOFARADS MAXIMUM
Time Rating Per Chacteristic400.00 NANOSECONDS MAXIMUM DELAY
Memory Device TypeEEPROM
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 93LC66B available?
We can source 93LC66B 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 93LC66B by Microchip Technology obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 93LC66B 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 93LC66B?
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 93LC66B?
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.