component
74LCX14FT
Public Made by Adomby adom
TOSHIBA Logic ICs, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown74LCX14FT
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lcx14ft.step/74lcx14ft.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).