component
MM74HCT14MX
Public Made by Adomby adom
onsemi Logic ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownMM74HCT14MX
onsemi · Logic ICs · SOIC-14
MM74HCT14MX from onsemi, in a SOIC-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 | A1 | input | Schmitt trigger inverter 1 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 2 | Y1 | output | Inverter 1 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 3 | A2 | input | Schmitt trigger inverter 2 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 4 | Y2 | output | Inverter 2 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 5 | A3 | input | Schmitt trigger inverter 3 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 6 | Y3 | output | Inverter 3 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 7 | GND | power_in | Ground reference, 0V. |
| 8 | Y4 | output | Inverter 4 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 9 | A4 | input | Schmitt trigger inverter 4 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 10 | Y5 | output | Inverter 5 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 11 | A5 | input | Schmitt trigger inverter 5 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 12 | Y6 | output | Inverter 6 output, drives 10 LS-TTL loads, VOL max 0.26V at 4.0mA at 25°C. |
| 13 | A6 | input | Schmitt trigger inverter 6 input, TTL-compatible threshold, max input current ±1.0µA over temperature. |
| 14 | VCC | power_in | Positive supply, 4.5V to 5.5V recommended, absolute maximum 7.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOIC-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 (absolute maximum) | VCC | -0.5 | 7 | V | 4 | ||
| DC Input Voltage (absolute maximum) | VIN | -1.5 | V | max printed as VCC +1.5 V | 4 | ||
| DC Output Voltage (absolute maximum) | VOUT | -0.5 | V | max printed as VCC +0.5 V | 4 | ||
| Clamp Diode Current | IK, IOK | -20 | 20 | mA | 4 | ||
| DC Output Current, Per Pin | IOUT | -25 | 25 | mA | 4 | ||
| DC VCC or GND Current, Per Pin | ICC | -50 | 50 | mA | 4 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 4 | ||
| Lead Temperature (Soldering) | TL | 260 | °C | Soldering 10 seconds | 4 | ||
| Supply Voltage (recommended) | VCC | 4.5 | 5.5 | V | 4 | ||
| DC Input or Output Voltage (recommended) | VIN, VOUT | 0 | V | max printed as VCC | 4 | ||
| Operating Temperature Range | TA | -40 | 85 | °C | 4 | ||
| Positive-Going Threshold Voltage, minimum | VT+ | 1.2 | 1.5 | V | VCC=4.5V, TA=+25°C | 5 | |
| Positive-Going Threshold Voltage, minimum | VT+ | 1.4 | 1.7 | V | VCC=5.5V, TA=+25°C | 5 | |
| Positive-Going Threshold Voltage, maximum | VT+ | 1.5 | 1.9 | V | VCC=4.5V, TA=+25°C | 5 | |
| Positive-Going Threshold Voltage, maximum | VT+ | 1.7 | 2.1 | V | VCC=5.5V, TA=+25°C | 5 | |
| Negative-Going Threshold Voltage, minimum | VT- | 0.5 | 0.9 | V | VCC=4.5V, TA=+25°C | 5 | |
| Negative-Going Threshold Voltage, minimum | VT- | 0.6 | 1 | V | VCC=5.5V, TA=+25°C | 5 | |
| Negative-Going Threshold Voltage, maximum | VT- | 0.9 | 1.2 | V | VCC=4.5V, TA=+25°C | 5 | |
| Negative-Going Threshold Voltage, maximum | VT- | 1 | 1.4 | V | VCC=5.5V, TA=+25°C | 5 | |
| Hysteresis Voltage, minimum | VH | 0.4 | 0.6 | V | VCC=4.5V, TA=+25°C | 5 | |
| Hysteresis Voltage, minimum | VH | 0.4 | 0.7 | V | VCC=5.5V, TA=+25°C | 5 | |
| Hysteresis Voltage, maximum | VH | 0.6 | 1.4 | V | VCC=4.5V, TA=+25°C | 5 | |
| Hysteresis Voltage, maximum | VH | 0.7 | 1.5 | V | VCC=5.5V, TA=+25°C | 5 | |
| Minimum HIGH Level Output Voltage | VOH | 3.98 | 4.2 | V | VIN=VIL, /IOUT/=4.0mA, VCC=4.5V, TA=+25°C | 5 | |
| Minimum HIGH Level Output Voltage | VOH | 3.84 | 4.2 | V | VIN=VIL, /IOUT/=4.0mA, VCC=4.5V, TA=-40°C to +85°C | 5 | |
| Minimum HIGH Level Output Voltage | VOH | 4.98 | 5.2 | V | VIN=VIL, /IOUT/=4.8mA, VCC=5.5V, TA=+25°C | 5 | |
| Maximum LOW Level Output Voltage | VOL | 0 | 0.1 | V | VIN=VIL, /IOUT/=20µA, VCC=4.5V, TA=+25°C | 5 | |
| Maximum LOW Level Output Voltage | VOL | 0.2 | 0.26 | V | VIN=VIL, /IOUT/=4.0mA, VCC=4.5V, TA=+25°C | 5 | |
| Maximum LOW Level Output Voltage | VOL | 0.2 | 0.33 | V | VIN=VIL, /IOUT/=4.0mA, VCC=4.5V, TA=-40°C to +85°C | 5 | |
| Maximum Input Current | IIN | -1 | 0.1 | 1 | µA | VIN=VCC or GND, VIH or VIL, VCC=5.5V | 5 |
| Maximum Quiescent Supply Current | ICC | 1 | 10 | µA | VIN=VCC or GND, IOUT=0µA, VCC=5.5V | 5 | |
| Maximum Quiescent Supply Current (TTL input level) | ICC | 2.4 | mA | VIN=2.4V or 0.5V | 5 | ||
| Maximum Propagation Delay | tPHL, tPLH | 10 | 18 | ns | VCC=5V, TA=+25°C, CL=15pF, tr=tf=6ns | 6 | |
| Maximum Propagation Delay | tPHL, tPLH | 20 | 25 | ns | VCC=5V±10%, CL=50pF, tr=tf=6ns | 6 | |
| Maximum Output Rise and Fall Time | tTLH, tTHL | 9 | 15 | ns | VCC=5V±10%, CL=50pF, tr=tf=6ns, TA=+25°C | 6 | |
| Maximum Output Rise and Fall Time | tTLH, tTHL | 9 | 19 | ns | VCC=5V±10%, CL=50pF, tr=tf=6ns, TA=-40°C to +85°C | 6 | |
| Maximum Input Capacitance | CIN | 5 | 10 | pF | 6 |
CAD (KiCad official)
- Symbol:
MM74HCT14MX - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
mm74hct14mx-etched.step/mm74hct14mx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm74hct14mx.step/mm74hct14mx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (10 pp, sha256
93b1688f9fdd204b, retrieved 2026-10-22, 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).