Texas Instruments · Electronic Components
PCA9544APW
IC I2C MUX 4CH BI-DIR 20-TSSOP
Part NumberPCA9544APW
ManufacturerTexas Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-579-9069 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Special Features4-CHANNEL I2C AND SMBUS MULTIPLEXER WITH INTERRUPT LOGIC
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 PCA9544APW available?
We can source PCA9544APW 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 PCA9544APW by Texas Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PCA9544APW 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 PCA9544APW?
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 PCA9544APW?
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.