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74LCX14FT

Public Made by Adom

by adom

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

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74LCX14FT

TOSHIBA · Logic ICs · TSSOP-14

74LCX14FT 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 input of inverter 1, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
2 1Y output Output of inverter 1, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
3 2A input Schmitt-trigger input of inverter 2, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
4 2Y output Output of inverter 2, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
5 3A input Schmitt-trigger input of inverter 3, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
6 3Y output Output of inverter 3, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
7 GND power_in Ground pin (0 V reference).
8 4Y output Output of inverter 4, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
9 4A input Schmitt-trigger input of inverter 4, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
10 5Y output Output of inverter 5, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
11 5A input Schmitt-trigger input of inverter 5, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
12 6Y output Output of inverter 6, 5-V tolerant, rated for IOH/IOL of 24 mA min at VCC = 3.0 V.
13 6A input Schmitt-trigger input of inverter 6, 5-V tolerant (VIN absolute max 6.5 V); tie to VCC or GND if unused.
14 VCC power_in Supply voltage pin, operating range 1.65 to 3.6 V (absolute max -0.5 to 6.5 V).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TSSOP-14
Category Logic ICs
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 1.65 3.6 V 3
Supply voltage data retention only VCC 1.5 3.6 V Data retention only (Note 1) 3
Input voltage VIN 0 5.5 V 3
Output voltage VOUT 0 V High or low state (Note 3); upper limit printed as VCC 3
Output current IOH,IOL -24 24 mA VCC = 3.0 to 3.6 V (Note 4) 3
Output current IOH,IOL -12 12 mA VCC = 2.7 to 3.0 V (Note 5) 3
Operating temperature Topr -40 125 °C 3
Supply voltage VCC -0.5 6.5 V 3
Input voltage VIN -0.5 6.5 V 3
Output voltage VOUT -0.5 6.5 V High or low state (Note 2) 3
Input diode current IIK -50 mA 3
Output diode current IOK -50 50 mA VOUT < GND, VOUT > VCC (Note 3) 3
Output current IOUT -50 50 mA High or low state (Note 2) 3
Power dissipation PD 180 mW Ta = -40 to 85 °C (Note 4); derate -3.25 mW/°C from 85 to 125 °C down to 50 mW 3
VCC/ground current ICC/IGND -100 100 mA 3
Storage temperature Tstg -65 150 °C 3
Positive threshold voltage VP 0.7 1.35 V VIN = VIL; VCC = 1.65 V; Ta = -40 to 85 °C 4
Positive threshold voltage VP 0.95 1.7 V VIN = VIL; VCC = 2.3 V; Ta = -40 to 85 °C 4
Positive threshold voltage VP 1.2 2.2 V VIN = VIL; VCC = 3.0 V; Ta = -40 to 85 °C 4
Negative threshold voltage VN 0.3 0.8 V VIN = VIH; VCC = 1.65 V; Ta = -40 to 85 °C 4
Negative threshold voltage VN 0.45 1.15 V VIN = VIH; VCC = 2.3 V; Ta = -40 to 85 °C 4
Negative threshold voltage VN 0.6 1.5 V VIN = VIH; VCC = 3.0 V; Ta = -40 to 85 °C 4
Hysteresis voltage VH 0.3 0.8 V VCC = 1.65 V; Ta = -40 to 85 °C 4
Hysteresis voltage VH 0.35 1 V VCC = 2.3 V; Ta = -40 to 85 °C 4
Hysteresis voltage VH 0.4 1.2 V VCC = 3.0 V; Ta = -40 to 85 °C 4
High-level output voltage VOH 0.9 V IOH = -4 mA; VCC = 1.65 V; Ta = -40 to 125 °C 5
High-level output voltage VOH 1.05 V IOH = -4 mA; VCC = 1.65 V; Ta = -40 to 85 °C 4
High-level output voltage VOH 1.7 V IOH = -8 mA; VCC = 2.3 V; Ta = -40 to 85 °C 4
High-level output voltage VOH 2.2 V IOH = -12 mA; VCC = 2.7 V; Ta = -40 to 85 °C 4
High-level output voltage VOH 2.4 V IOH = -18 mA; VCC = 3.0 V; Ta = -40 to 85 °C 4
High-level output voltage VOH 1.55 V IOH = -8 mA; VCC = 2.3 V; Ta = -40 to 125 °C 5
High-level output voltage VOH 2 V IOH = -12 mA; VCC = 2.7 V; Ta = -40 to 125 °C 5
High-level output voltage VOH 2.2 V IOH = -18 mA; VCC = 3.0 V; Ta = -40 to 125 °C 5
Low-level output voltage VOL 0.2 V IOL = 100 µA; VCC = 1.65 to 3.6 V; Ta = -40 to 85 °C 4
Low-level output voltage VOL 0.45 V IOL = 4 mA; VCC = 1.65 V; Ta = -40 to 85 °C 4
Low-level output voltage VOL 0.7 V IOL = 8 mA; VCC = 2.3 V; Ta = -40 to 85 °C 4
Low-level output voltage VOL 0.4 V IOL = 12 mA; VCC = 2.7 V; Ta = -40 to 85 °C 4
Low-level output voltage VOL 0.55 V IOL = 24 mA; VCC = 3.0 V; Ta = -40 to 85 °C 4
Input leakage current IIN -5 5 µA VIN = 0 to 5.5 V; VCC = 1.65 to 3.6 V; Ta = -40 to 85 °C 4
Power-OFF leakage current IOFF 10 µA VIN/VOUT = 5.5 V; VCC = 0 V; Ta = -40 to 85 °C 4
Quiescent supply current ICC 10 µA VIN = VCC or GND; VCC = 1.65 to 3.6 V; Ta = -40 to 85 °C 4
Quiescent supply current per input ∆ICC 500 µA VIN = 3.6 to 5.5 V; VIH = VCC - 0.6 V (per 1 input); VCC = 2.7 to 3.6 V; Ta = -40 to 85 °C 4
Input leakage current IIN -20 20 µA VIN = 0 to 5.5 V; VCC = 1.65 to 3.6 V; Ta = -40 to 125 °C 5
Power-OFF leakage current IOFF 40 µA VIN/VOUT = 5.5 V; VCC = 0 V; Ta = -40 to 125 °C 5
Quiescent supply current ICC 40 µA VIN = VCC or GND; VCC = 1.65 to 3.6 V; Ta = -40 to 125 °C 5
Quiescent supply current per input ∆ICC 5 mA VIN = 3.6 to 5.5 V; VIH = VCC - 0.6 V (per 1 input); VCC = 2.7 to 3.6 V; Ta = -40 to 125 °C 5
Propagation delay time tPLH,tPHL 1.5 25 ns VCC = 1.8 ± 0.15 V; Ta = -40 to 85 °C 6
Propagation delay time tPLH,tPHL 1.5 8.5 ns VCC = 2.5 ± 0.2 V; Ta = -40 to 85 °C 6
Propagation delay time tPLH,tPHL 1.5 7.5 ns VCC = 2.7 V; Ta = -40 to 85 °C 6
Propagation delay time tPLH,tPHL 1.5 6.5 ns VCC = 3.3 ± 0.3 V; Ta = -40 to 85 °C 6
Output skew tosLH,tosHL 1 ns Ta = -40 to 85 °C (Note 1) 6
Propagation delay time tPLH,tPHL 1.5 27.5 ns VCC = 1.8 ± 0.15 V; Ta = -40 to 125 °C 6
Propagation delay time tPLH,tPHL 1.5 9.5 ns VCC = 2.5 ± 0.2 V; Ta = -40 to 125 °C 6

CAD (KiCad official)

  • Symbol: 74LCX14FT
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: 74lcx14ft-etched.step / 74lcx14ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74lcx14ft.step / 74lcx14ft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (9 pp, sha256 b98c733fc65a5a4c, retrieved 2026-10-21, tier: manufacturer)
  • 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