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M74HC14YRM13TR

STMicroelectronics · Inverters · SOIC-14

M74HC14YRM13TR from STMicroelectronics, 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 1A input Schmitt-trigger inverter 1 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
2 1Y output Schmitt-trigger inverter 1 output (logical inversion of 1A). Symmetrical output impedance,
3 2A input Schmitt-trigger inverter 2 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
4 2Y output Schmitt-trigger inverter 2 output (logical inversion of 2A). Symmetrical output impedance,
5 3A input Schmitt-trigger inverter 3 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
6 3Y output Schmitt-trigger inverter 3 output (logical inversion of 3A). Symmetrical output impedance,
7 GND power_in Ground reference, 0 V. Connect to the system ground plane.
8 4Y output Schmitt-trigger inverter 4 output (logical inversion of 4A). Symmetrical output impedance,
9 4A input Schmitt-trigger inverter 4 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
10 5Y output Schmitt-trigger inverter 5 output (logical inversion of 5A). Symmetrical output impedance,
11 5A input Schmitt-trigger inverter 5 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
12 6Y output Schmitt-trigger inverter 6 output (logical inversion of 6A). Symmetrical output impedance,
13 6A input Schmitt-trigger inverter 6 input. CMOS logic input with ~20% VCC hysteresis; VI range 0 to VCC.
14 VCC power_in Positive supply voltage, 2 to 6 V recommended operating range (absolute max 7 V). Decouple to GND with a 100 nF ceramic capacitor.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • M74HC14YRM13TR
  • M74HC14YRM13TRYTTR

CAD (KiCad official)

  • Symbol: M74HC14YRM13TR
  • 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: STMicroelectronics datasheet (15 pp, sha256 bfc8ae82393e0d60, retrieved 2026-08-17, tier: manufacturer)
  • 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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