CD74HC14MT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74HC14MT is a high-speed CMOS hex Schmitt-triggered inverter in a 14-pin SOIC package, offering 6 independent inverting channels with hysteresis for noise-immune signal conditioning. It operates with a 50 pF load capacitance rating and 5.2 mA maximum IOL output drive current within the HC/UH logic family. Available in tape-and-reel packaging for automated assembly with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC14MT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1948(MOQ 10)
- 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 CD74HC14MT?
- Six independent Schmitt-triggered inverter channels provide built-in hysteresis for clean signal shaping on slow or noisy input signals, eliminating external RC filter circuits
- HC/UH high-speed CMOS family with 50 pF load capacitance rating delivers fast switching performance suitable for 3.3 V and 5 V digital logic interfacing
- 5.2 mA maximum IOL output current per channel allows direct driving of indicator LEDs and multiple CMOS inputs without additional buffer stages
- RoHS-compliant 14-pin SOIC package (JESD-30 R-PDSO-G14) with JESD-609 e4 rating supports automated SMT assembly and lead-free manufacturing processes
What is CD74HC14MT used for?
The CD74HC14MT is used extensively for signal conditioning tasks such as converting slow-rising or noisy digital signals from sensors and mechanical switches into clean, well-defined logic levels suitable for microcontroller inputs. Its Schmitt-trigger hysteresis makes it ideal for use in crystal oscillator feedback circuits, RC oscillators, and waveform-shaping applications where precise threshold control is needed. The device is also deployed in industrial logic systems and embedded designs requiring reliable 3.3 V to 5 V compatible CMOS inversion with noise immunity.
What are the specifications of CD74HC14MT?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HC/UH |
| 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 | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 41ns |
| Propagation Delay (tpd) | 205ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | YES |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| 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) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the CD74HC14MT datasheet?
CD74HC14MT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC14MT?
Compatible alternatives and drop-in replacements for CD74HC14MT:
Frequently Asked Questions
How does CD74HC14MT Schmitt-trigger hysteresis improve signal quality in switch debouncing circuits?
The CD74HC14MT features Schmitt-trigger inputs with built-in hysteresis on all 6 inverter channels. When a mechanical switch bounces, the input voltage oscillates across the threshold multiple times, but the hysteresis window prevents false output transitions until the input definitively crosses the upper or lower threshold. This results in a single, clean 50 pF-load-rated output transition rather than a burst of glitches that would otherwise propagate to downstream logic.
What load capacitance and output drive current specs make CD74HC14MT suitable for bus driving?
The CD74HC14MT is rated for a load capacitance of 50 pF per output channel and provides a maximum output low current (IOL) of 5.2 mA. These specifications allow the device to reliably drive standard CMOS bus lines and multiple HC-family inputs simultaneously. For applications requiring higher drive current or larger capacitive loads, a dedicated bus buffer would be needed, but for typical logic fan-out scenarios, these ratings are more than sufficient.
How can CD74HC14MT be used to build a simple RC oscillator circuit?
CD74HC14MT can form a simple RC oscillator by connecting an external resistor and capacitor between one inverter output and its input, with a second inverter in series for a sharper output edge. The Schmitt-trigger hysteresis of each channel sets stable upper and lower switching thresholds, so the oscillation frequency is predictable and stable against supply noise. This approach generates low-cost clock signals ranging from a few hertz to several megahertz depending on the chosen RC values and the 50 pF typical load.
Which logic families and supply voltages are compatible with CD74HC14MT inputs and outputs?
The CD74HC14MT belongs to the HC/UH high-speed CMOS logic family and is compatible with standard 3.3 V and 5 V CMOS logic systems. Its Schmitt-trigger inputs can interface directly with TTL-level signals and slowly transitioning waveforms that would cause oscillation in non-hysteresis inverters. The device's 5.2 mA IOL rating and 50 pF load capacitance are consistent with interfacing to standard LSTTL, HC, HCT, and other compatible logic families found in typical mixed-logic PCB designs.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $1.0220 | $10.22 |
| 25+ | $0.7830 | $19.57 |
| 100+ | $0.6930 | $69.30 |
| 250+ | $0.6480 | $162.00 |
| 995+ | $0.2015 | $200.49 |
| 1285+ | $0.1948 | $250.32 |
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