component
SN74LXC1T14DCKR
Public Made by Adomby adom
TEXAS INSTRUMENTS Translators, Level Shifters, SC-70-5. 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
markdownSN74LXC1T14DCKR
TEXAS INSTRUMENTS · Translators, Level Shifters · SC-70-5
SN74LXC1T14DCKR from TEXAS INSTRUMENTS, in a SC-70-5. 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 | VCCI | power_in | Input supply voltage for input A; the datasheet requires 1.1 V ≤ VCCI ≤ 5.5 V. |
| 2 | A | input | Input A, referenced to VCCI logic levels, with Schmitt-trigger input behavior. |
| 3 | GND | power_in | Ground reference for the device. |
| 4 | Y | output | Inverting output Y, referenced to VCCO logic levels. |
| 5 | VCCO | power_in | Output supply voltage for output Y; the datasheet requires 1.1 V ≤ VCCO ≤ 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TEXAS INSTRUMENTS |
| Package | SC-70-5 |
| Category | Logic |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Positive-going input threshold voltage, VCCI=VCCO=1.1 V | VT+ | 0.44 | 0.88 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=1.4 V | VT+ | 0.6 | 0.98 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=1.65 V | VT+ | 0.76 | 1.13 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=2.3 V | VT+ | 1.08 | 1.56 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=3 V | VT+ | 1.48 | 1.92 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=4.5 V | VT+ | 2.19 | 2.74 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Positive-going input threshold voltage, VCCI=VCCO=5.5 V | VT+ | 2.65 | 3.33 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=1.1 V | VT- | 0.17 | 0.48 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=1.4 V | VT- | 0.28 | 0.59 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=1.65 V | VT- | 0.35 | 0.69 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=2.3 V | VT- | 0.56 | 0.97 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=3 V | VT- | 0.89 | 1.5 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=4.5 V | VT- | 1.51 | 1.97 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Negative-going input threshold voltage, VCCI=VCCO=5.5 V | VT- | 1.88 | 2.4 | V | Data input referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=1.1 V | ΔVT | 0.2 | 0.4 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=1.4 V | ΔVT | 0.25 | 0.5 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=1.65 V | ΔVT | 0.3 | 0.55 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=2.3 V | ΔVT | 0.38 | 0.65 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=3 V | ΔVT | 0.46 | 0.72 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=4.5 V | ΔVT | 0.58 | 0.93 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| Input threshold hysteresis, VCCI=VCCO=5.5 V | ΔVT | 0.69 | 1.06 | V | Data inputs (Ax, Bx) referenced to VCCI; TA = -40°C to 125°C | 6 | |
| High-level output voltage, VCCO=1.4 V | VOH | 1 | V | IOH = -4 mA; VCCI=1.4 V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, VCCO=1.65 V | VOH | 1.2 | V | IOH = -8 mA; VCCI=1.65 V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, VCCO=2.3 V | VOH | 1.9 | V | IOH = -12 mA; VCCI=2.3 V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, VCCO=3 V | VOH | 2.4 | V | IOH = -24 mA; VCCI=3 V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, VCCO=4.5 V | VOH | 3.8 | V | IOH = -32 mA; VCCI=4.5 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage | VOL | 0.1 | V | IOL = 100 µA; VCCI=VCCO=1.1 V-5.5 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, VCCO=1.4 V | VOL | 0.3 | V | IOL = 4 mA; VCCI=1.4 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, VCCO=1.65 V | VOL | 0.45 | V | IOL = 8 mA; VCCI=1.65 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, VCCO=2.3 V | VOL | 0.3 | V | IOL = 12 mA; VCCI=2.3 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, VCCO=3 V | VOL | 0.55 | V | IOL = 24 mA; VCCI=3 V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, VCCO=4.5 V | VOL | 0.55 | V | IOL = 32 mA; VCCI=4.5 V; TA = -40°C to 125°C | 6 | ||
| Input leakage current, data input | II | -2 | 2 | µA | VI = VCCI or GND; VCCI=VCCO=1.1 V-5.5 V; TA = -40°C to 125°C | 6 | |
| Partial power down current, inputs | Ioff | -2.5 | 2.5 | µA | VI or VO = 0 V-5.5 V; VCCI=0 V; VCCO=0 V-5.5 V; TA = -40°C to 125°C | 6 | |
| Floating supply partial power down current, inputs (VCCI floating) | Ioff-float | -2.5 | 2.5 | µA | VI or VO = GND; VCCI floating; VCCO=0 V-5.5 V; TA = -40°C to 125°C | 6 | |
| Floating supply partial power down current, inputs (VCCO floating) | Ioff-float | -2.5 | 2.5 | µA | VI or VO = GND; VCCI=0 V-5.5 V; VCCO floating; TA = -40°C to 125°C | 6 | |
| VCCI supply current, VCCI=VCCO=1.1 V-5.5 V | ICCI | 6 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| VCCI supply current, VCCI=0 V, VCCO=5.5 V | ICCI | -1 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| VCCI supply current, VCCI=5.5 V, VCCO=0 V | ICCI | 4 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| VCCO supply current, VCCI=VCCO=1.1 V-5.5 V | ICCO | 6 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| VCCO supply current, VCCI=0 V, VCCO=5.5 V | ICCO | 4 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| VCCO supply current, VCCI=5.5 V, VCCO=0 V | ICCO | -1 | µA | VI = VCCI or GND; IO = 0; TA = -40°C to 125°C | 7 | ||
| Combined supply current ICCI + ICCO | ICCI + ICCO | 6 | µA | VI = VCCI or GND; IO = 0; VCCI=VCCO=1.1 V-5.5 V; TA = -40°C to 125°C | 7 | ||
| Input capacitance | Ci | 5 | 10 | pF | VI = 3.3 V or GND; VCCI=VCCO=3.3 V | 7 | |
| Absolute maximum input supply voltage, VCCI (input A) | VCCI | -0.5 | 6.5 | V | 4 | ||
| Absolute maximum output supply voltage, VCCO (output Y) | VCCO | -0.5 | 6.5 | V | 4 | ||
| Absolute maximum input voltage | VI | -0.5 | 6.5 | V | 4 | ||
| Absolute maximum voltage applied to any output in high-impedance or power-off state | VO | -0.5 | 6.5 | V | 4 | ||
| Input clamp current | IIK | -50 | mA | VI < 0 | 4 | ||
| Output clamp current | IOK | -50 | mA | VO < 0 | 4 | ||
| Continuous output current | IO | -50 | 50 | mA | 4 | ||
| Continuous current through VCC or GND | -200 | 200 | mA | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Input supply voltage, VCCI | VCCI | 1.1 | 5.5 | V | 5 | ||
| Output supply voltage, VCCO | VCCO | 1.1 | 5.5 | V | 5 | ||
| Input voltage | VI | 0 | 5.5 | V | 5 | ||
| Output voltage, active state | VO | 0 | V | Active state (upper limit printed as VCCO) | 5 | ||
| Output voltage, tri-state | VO | 0 | 5.5 | V | Tri-state | 5 | |
| Operating free-air temperature | TA | -40 | 125 | °C | 5 | ||
| Junction-to-ambient thermal resistance (DCK, SC70 5-pin) | RθJA | 222.9 | °C/W | 5 |
CAD (KiCad official)
- Symbol:
SN74LXC1T14DCKR - Footprint:
Package_TO_SOT_SMD:SOT-353_SC-70-5 - 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files:
sn74lxc1t14dckr-etched.step/sn74lxc1t14dckr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lxc1t14dckr.step/sn74lxc1t14dckr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TEXAS INSTRUMENTS datasheet (26 pp, sha256
8bfba5595858e5df, retrieved 2026-10-17, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).