TC74HC14AF from TOSHIBA, in a SOIC-14-175mil. 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	1A	input	Inverter 1 input with Schmitt trigger (25% VCC hysteresis; VH = 1.1 V typ. at VCC = 4.5 V). Tie unused inputs to VCC or GND.
2	1Y	output	Inverter 1 output (inverted 1A). Drive capability
3	2A	input	Inverter 2 input with Schmitt trigger (25% VCC hysteresis).
4	2Y	output	Inverter 2 output (inverted 2A).
5	3A	input	Inverter 3 input with Schmitt trigger (25% VCC hysteresis).
6	3Y	output	Inverter 3 output (inverted 3A).
7	GND	power_in	Ground / VSS reference (0 V). Common return for all six inverter stages.
8	4Y	output	Inverter 4 output (inverted 4A).
9	4A	input	Inverter 4 input with Schmitt trigger (25% VCC hysteresis).
10	5Y	output	Inverter 5 output (inverted 5A).
11	5A	input	Inverter 5 input with Schmitt trigger (25% VCC hysteresis).
12	6Y	output	Inverter 6 output (inverted 6A).
13	6A	input	Inverter 6 input with Schmitt trigger (25% VCC hysteresis).
14	VCC	power_in	Positive supply (2.0 to 6.0 V operating; 7.0 V absolute max). Decouple locally to GND (pin 7).

Key specifications

Parameter	Value
Manufacturer	TOSHIBA
Package	SOIC-14-175mil
Category	Logic
Pins	14

Ordering variants

Same part, different packaging or reel option.

TC74HC14AF
TC74HC14AFAP

CAD (KiCad official)

Symbol: TC74HC14AF
Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
3D model: SOIC-14-175mil (KiCad packages3D, STEP)

Provenance

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

Datasheet: TOSHIBA datasheet (7 pp, sha256 4f13faf059967ad2, retrieved 2026-08-17, tier: lcsc)
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