Texas Instruments · Electronic Components
CD4556BF3A
CMOS Dual Binary to 1-of-4 Decoder/Demultiplexer with Outputs Low on Select
Part NumberCD4556BF3A
ManufacturerTexas Instruments
LifecycleACTIVE
AvailabilityAvailable to order — request a quote
Specifications
Generic Part NumberCD4556B-MIL
Pin Count16
EccnEAR99
Product FamilyDigital demultiplexers & decoders
PackageCDIP
Fit Failures In Time2.8
Mtbf Hours371000000
Operating Temperature Range-55 to 125 °C
Technology FamilyCD4000
RatingMilitary
Supply Currentmax 3000 µA
Number Of Channels2
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 CD4556BF3A available?
We can source CD4556BF3A 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 CD4556BF3A by Texas Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CD4556BF3A 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 CD4556BF3A?
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 CD4556BF3A?
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.