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TC74AC14FT

Public Made by Adom

by adom

TOSHIBA Inverters, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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TC74AC14FT

TOSHIBA · Inverters · TSSOP-14

TC74AC14FT from TOSHIBA, in a TSSOP-14. 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 1A input Schmitt-trigger inverter 1 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
2 1Y output Inverter 1 output, drives
3 2A input Schmitt-trigger inverter 2 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
4 2Y output Inverter 2 output, drives
5 3A input Schmitt-trigger inverter 3 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
6 3Y output Inverter 3 output, drives
7 GND power_in Ground reference (0 V).
8 4Y output Inverter 4 output, drives
9 4A input Schmitt-trigger inverter 4 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
10 5Y output Inverter 5 output, drives
11 5A input Schmitt-trigger inverter 5 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
12 6Y output Inverter 6 output, drives
13 6A input Schmitt-trigger inverter 6 input; unused inputs must be tied to VCC or GND, input range 0 to VCC.
14 VCC power_in Supply voltage, operating range 2.0 V to 5.5 V (absolute maximum -0.5 to 7.0 V).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TSSOP-14
Category Logic
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC -0.5 7 V 3
Input voltage VIN -0.5 V upper limit printed as VCC + 0.5 3
Output voltage VOUT -0.5 V upper limit printed as VCC + 0.5 3
Input diode current IIK -20 20 mA 3
Output diode current IOK -50 50 mA 3
Output current IOUT -50 50 mA 3
VCC/ground current ICC -150 150 mA 3
Power dissipation PD 180 mW Ta = -40 to 85°C; derate -3.25 mW/°C from 85 to 125°C until 50 mW 3
Storage temperature Tstg -65 150 °C 3
Supply voltage VCC 2 5.5 V 3
Input voltage VIN 0 V upper limit printed as VCC 3
Output voltage VOUT 0 V upper limit printed as VCC 3
Operating temperature Topr -40 125 °C 3
Positive threshold voltage VP 2.2 V VIN = VIL, VCC = 3.0 V, Ta = 25°C 4
Positive threshold voltage VP 3.2 V VIN = VIL, VCC = 4.5 V, Ta = 25°C 4
Positive threshold voltage VP 3.9 V VIN = VIL, VCC = 5.5 V, Ta = 25°C 4
Negative threshold voltage VN 0.5 1.2 V VIN = VIH, VCC = 3.0 V, Ta = 25°C 4
Negative threshold voltage VN 0.9 1.4 V VIN = VIH, VCC = 4.5 V, Ta = 25°C 4
Negative threshold voltage VN 1.1 1.6 V VIN = VIH, VCC = 5.5 V, Ta = 25°C 4
Hysteresis voltage VH 0.3 V VIN = VCC or GND, VCC = 3.0 V, Ta = 25°C 4
Hysteresis voltage VH 0.4 V VIN = VCC or GND, VCC = 4.5 V, Ta = 25°C 4
Hysteresis voltage VH 0.5 V VIN = VCC or GND, VCC = 5.5 V, Ta = 25°C 4
High-level output voltage VOH 1.9 V IOH = -50 µA, VCC = 2.0 V, Ta = 25°C 4
High-level output voltage VOH 2.9 V IOH = -50 µA, VCC = 3.0 V, Ta = 25°C 4
High-level output voltage VOH 4.4 V IOH = -50 µA, VCC = 4.5 V, Ta = 25°C 4
High-level output voltage VOH 2.58 V IOH = -4 mA, VCC = 3.0 V, Ta = 25°C 4
High-level output voltage VOH 3.94 V IOH = -24 mA, VCC = 4.5 V, Ta = 25°C 4
Low-level output voltage VOL 0.1 V IOL = 50 µA, VCC = 3.0 V, Ta = 25°C 4
Input leakage current IIN -0.1 0.1 µA VIN = VCC or GND, Ta = 25°C 4
Quiescent supply current ICC 4 µA Ta = 25°C 4
Input leakage current IIN -1 1 µA VIN = VCC or GND, Ta = -40 to 85°C 5
Quiescent supply current ICC 40 µA Ta = -40 to 85°C 5
Input leakage current IIN -1 1 µA VIN = VCC or GND, Ta = -40 to 125°C 6
Quiescent supply current ICC 80 µA Ta = -40 to 125°C 6
Propagation delay time tPLH,tPHL 13.2 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 3.3 ± 0.3 V, Ta = 25°C 6
Propagation delay time tPLH,tPHL 9.7 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 5.0 ± 0.5 V, Ta = 25°C 6
Input capacitance CIN 10 pF Ta = 25°C 6
Propagation delay time tPLH,tPHL 1 15 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 3.3 ± 0.3 V, Ta = -40 to 85°C 6
Propagation delay time tPLH,tPHL 1 11 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 5.0 ± 0.5 V, Ta = -40 to 85°C 6
Propagation delay time tPLH,tPHL 1 16.2 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 3.3 ± 0.3 V, Ta = -40 to 125°C 7
Propagation delay time tPLH,tPHL 1 11.9 ns CL = 50 pF, RL = 500 Ω, tr = tf = 3 ns, VCC = 5.0 ± 0.5 V, Ta = -40 to 125°C 7
Input capacitance CIN 10 pF Ta = -40 to 125°C 7

CAD (KiCad official)

  • Symbol: TC74AC14FT
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: tc74ac14ft-etched.step / tc74ac14ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tc74ac14ft.step / tc74ac14ft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (7 pp, sha256 1430d69bac63b10b, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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