CD74HCT14MG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD74HCT14MG4 is a high-speed CMOS hex Schmitt-trigger inverter from Texas Instruments in the HCT logic family, featuring TTL-compatible input thresholds and hysteresis for noise-immune signal conditioning. It integrates six independent Schmitt-trigger channels with 5.2 mA output drive and 50 pF load rating. Supplied in a 14-pin SOIC package with RoHS-compliant Green packaging.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HCT14MG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HCT14MG4?
- Six Schmitt-trigger inverter channels with built-in hysteresis clean up slow or noisy input signals without external RC filters, reducing component count
- HCT family TTL-compatible input thresholds allow direct interfacing of 5 V TTL logic to CMOS systems without level-shift circuitry
- 5.2 mA output drive capability supports direct connection to multiple TTL or CMOS inputs and capacitively loaded PCB traces up to 50 pF
- High-speed CMOS technology delivers fast propagation delays with low static power, ideal for battery-conscious embedded designs
What is CD74HCT14MG4 used for?
The CD74HCT14MG4 is widely used for debouncing mechanical switches and buttons in microcontroller-based systems, where its Schmitt-trigger hysteresis prevents false triggering from contact bounce. It is also used to reshape slow or degraded digital signals on long PCB traces in industrial control, telecommunications equipment, and clock distribution networks. Its TTL-compatible input levels make it an ideal glue-logic component for bridging legacy 5 V TTL systems to modern CMOS microcontrollers.
What are the specifications of CD74HCT14MG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Family | HCT |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | INVERTER |
| Max I(ol) | 0.0052A |
| Number of Functions | 6 |
| Number of Inputs | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 57ns |
| Propagation Delay (tpd) | 57ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the CD74HCT14MG4 datasheet?
CD74HCT14MG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HCT14MG4?
Compatible alternatives and drop-in replacements for CD74HCT14MG4:
Frequently Asked Questions
What is a Schmitt-trigger inverter and why is the CD74HCT14MG4 useful?
A Schmitt-trigger inverter switches at different voltage thresholds for rising and falling inputs (hysteresis), making the CD74HCT14MG4 effective at converting slow, noisy, or oscillating analog signals into clean digital transitions without glitching — ideal for switch debouncing, waveform shaping, and oscillator circuits.
What logic family does the CD74HCT14MG4 belong to and what does that mean for interfacing?
The CD74HCT14MG4 belongs to the HCT (High-speed CMOS with TTL-compatible inputs) family, meaning its input voltage thresholds match standard TTL levels (V(IH) ≥ 2 V, V(IL) ≤ 0.8 V). This allows direct connection to 5 V TTL logic outputs without any level-shift components, simplifying mixed-logic PCB designs.
How many inverter channels are in the CD74HCT14MG4?
The CD74HCT14MG4 contains six independent Schmitt-trigger inverter channels in a single 14-pin SOIC package, allowing one device to handle up to six simultaneous signal-conditioning or inversion tasks and reduce overall IC count in the design.
What is the output drive current of the CD74HCT14MG4?
Each output can sink a maximum of 5.2 mA (I(ol)), which is sufficient to drive standard TTL and CMOS gate inputs, small LEDs with current-limiting resistors, and PCB traces loaded up to the specified 50 pF capacitance without signal integrity degradation.
Is the CD74HCT14MG4 RoHS compliant?
Yes, the 'G4' suffix confirms that the CD74HCT14MG4 uses Texas Instruments' Green packaging, indicating lead-free solder compatibility (Pb-free code: Yes) and RoHS compliance per JESD-609 Code e4, making it suitable for environmentally regulated markets including the EU and California.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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