CD40106BM from HGSEMI, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	A1	input	Schmitt-trigger inverter 1 input. CMOS-protected input with hysteresis; VT+ typ 3.6 V and VT- typ 1.4 V at VDD=5 V.
2	Y1	output	Schmitt-trigger inverter 1 output. Logical inversion of A1 (rail-to-rail CMOS output).
3	A2	input	Schmitt-trigger inverter 2 input. CMOS-protected input with hysteresis.
4	Y2	output	Schmitt-trigger inverter 2 output. Logical inversion of A2.
5	A3	input	Schmitt-trigger inverter 3 input. CMOS-protected input with hysteresis.
6	Y3	output	Schmitt-trigger inverter 3 output. Logical inversion of A3.
7	VSS	power_in	Ground (0 V) reference for all six inverters.
8	Y4	output	Schmitt-trigger inverter 4 output. Logical inversion of A4.
9	A4	input	Schmitt-trigger inverter 4 input. CMOS-protected input with hysteresis.
10	Y5	output	Schmitt-trigger inverter 5 output. Logical inversion of A5.
11	A5	input	Schmitt-trigger inverter 5 input. CMOS-protected input with hysteresis.
12	Y6	output	Schmitt-trigger inverter 6 output. Logical inversion of A6.
13	A6	input	Schmitt-trigger inverter 6 input. CMOS-protected input with hysteresis.
14	VDD	power_in	Positive supply voltage. Recommended 3 V to 15 V DC; absolute max 18 V DC.

Key specifications

Parameter	Value
Manufacturer	HGSEMI
Package	SOIC-14
Category	Logic
Pins	14

Ordering variants

Same part, different packaging or reel option.

CD40106BM/TR
CD40106BMBE
CD40106BMBN
CD40106BMT/TR

CAD (KiCad official)

Symbol: CD40106BM
Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
3D model: SOIC-14 (KiCad packages3D, STEP)

Provenance

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

Datasheet: HGSEMI datasheet (12 pp, sha256 54738bd4d8abe79d, retrieved 2026-08-17, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF