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CD4556BM96

Public Made by Adom

by adom

Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CD4556BM96

Texas Instruments · Signal Switches, Multiplexers, Decoders · SOIC-16

CD4556BM96 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 E1 input Enable input (active-low symbol E-bar) of decoder 1; when high all outputs of the CD4556B remain high regardless of A and B.
2 A1 input Select input A of decoder 1; input voltage range -0.5V to VDD+0.5V.
3 B1 input Select input B of decoder 1; input voltage range -0.5V to VDD+0.5V.
4 Q0_1 output Decoder 1 output Q0-bar, low when selected (A=0, B=0, E=0) on the CD4556B.
5 Q1_1 output Decoder 1 output Q1-bar, low when selected (A=1, B=0, E=0) on the CD4556B.
6 Q2_1 output Decoder 1 output Q2-bar, low when selected (A=0, B=1, E=0) on the CD4556B.
7 Q3_1 output Decoder 1 output Q3-bar, low when selected (A=1, B=1, E=0) on the CD4556B.
8 VSS power_in Ground / negative supply terminal; voltages are referenced to VSS.
9 Q3_2 output Decoder 2 output Q3-bar, low when selected (A=1, B=1, E=0) on the CD4556B.
10 Q2_2 output Decoder 2 output Q2-bar, low when selected (A=0, B=1, E=0) on the CD4556B.
11 Q1_2 output Decoder 2 output Q1-bar, low when selected (A=1, B=0, E=0) on the CD4556B.
12 Q0_2 output Decoder 2 output Q0-bar, low when selected (A=0, B=0, E=0) on the CD4556B.
13 B2 input Select input B of decoder 2; input voltage range -0.5V to VDD+0.5V.
14 A2 input Select input A of decoder 2; input voltage range -0.5V to VDD+0.5V.
15 E2 input Enable input (E-bar) of decoder 2; when high all outputs of the CD4556B remain high regardless of A and B.
16 VDD power_in Positive supply; recommended 3V to 18V, absolute maximum -0.5V to +20V referenced to VSS.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: CD4556BM96
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: cd4556bm96-etched.step / cd4556bm96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd4556bm96.step / cd4556bm96.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (21 pp, sha256 1e542db81c29dfa1, retrieved 2026-10-05, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF