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Texas Instruments CD4556BM96 — Discrete Semiconductors

CD4556BM96 Decoder/Demultiplexer, 1 x 2:4, 16-SOIC

MPNCD4556BM96
End of Life

Texas Instruments CD4556BM96, 4000B series Decoder/Demultiplexer, 1 x 2:4 circuit, 2 independent circuits, 3V to 18V supply, -55°C to 125°C, 16-SOIC surface mount package.

$0.52Ref. price · indicative, final on quote
Texas Instruments CD4556BM96 datasheet (PDF)
Packaging16-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Series4000B
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

CD4556BM96 specifications
ParameterValue
TypeDecoder/Demultiplexer
Series4000B
MountingSurface Mount
Supply voltage3V ~ 18V
Voltage supply sourceDual Supply
Current - output high, low6.8mA, 6.8mA
Operating temperature-55°C ~ 125°C
Circuit1 x 2:4
PackageTape & Reel (TR); Cut Tape (CT)
Case16-SOIC (0.154\", 3.90mm Width)
Independent circuits2

Product details

What this 4000B decoder/demux does on the board

It takes a 2-bit binary address input and activates one of four active-low outputs on each of the two independent decoder sections. This part is the go-to for address decoding in memory-mapped I/O, routing control signals in industrial PLC backplanes, or fanning out a single data stream to multiple channels in instrumentation front-ends. The wide 3V to 18V supply range means it can sit on a 5V or 12V rail without a level translator, and the -55°C to 125°C temperature grade qualifies it for avionics, downhole tools, and outdoor telecom cabinets where the ambient swings hard.

Two decoders in one 16-SOIC — what that saves you

Two independent 1:4 decoder circuits in a single 16-SOIC package. Each decoder section drives 6.8 mA source or sink at the outputs.

Sourcing and lifecycle — still a current-production part

The 'M96' suffix indicates the 16-SOIC tape-and-reel variant; the same die is also available in other packages if your assembly line prefers tubes or trays.

Frequently asked questions

Is CD4556BM96 a direct replacement for CD4556B?

The CD4556BM96 is the surface-mount (SOIC) version of the same 4000B dual 1:4 decoder. The 'B' suffix denotes the 4000B series; the 'M96' suffix specifies the 16-SOIC package and tape-and-reel format. Functionally it is identical to the CD4556B die, but verify the package footprint matches your board — the CD4556B may have been offered in a DIP or other package.

What is CD4556BM96's listed type on this component line?

The listed device type is Decoder/Demultiplexer, specifically a 1 x 2:4 circuit. It takes a 2-bit binary address and selects one of four active-low outputs per decoder section.