SN74LS14N-NG Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The SN74LS14N-NG is a hex Schmitt-trigger inverter IC from Texas Instruments in the 74LS low-power Schottky TTL family. It features six independent inverting channels with hysteresis for noise-immune signal conditioning, operating at 5V in a 14-pin DIP package. From $0.30 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS14N-NG Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Six independent Schmitt-trigger inverters with built-in hysteresis for robust noise-immune signal conditioning and waveform shaping
- 74LS low-power Schottky TTL family operating at 5V supply with typical propagation delay of 22ns per channel
- Positive-going threshold of 1.7V and negative-going threshold of 0.9V providing 0.8V hysteresis for clean switching
- 14-pin DIP through-hole package ideal for breadboard prototyping and legacy through-hole PCB designs
Applications
The SN74LS14N-NG is commonly used to condition noisy or slowly transitioning digital signals from mechanical switches, sensors, and analog comparators into clean digital waveforms for microcontroller and logic inputs. It is widely applied in oscillator circuits, switch debouncing networks, waveform shaping, and signal regeneration in industrial control systems and consumer electronics. Its six Schmitt-trigger channels allow multiple signal conditioning functions within a single package, minimizing component count in mixed-signal designs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS14N-NG:
Frequently Asked Questions
What is the hysteresis voltage of the SN74LS14N-NG?
The SN74LS14N-NG provides approximately 0.8V of hysteresis, with a positive-going threshold of around 1.7V and negative-going threshold of 0.9V, enabling reliable switching even in the presence of noise and slowly transitioning input signals.
How many inverter gates are in the SN74LS14N-NG?
The SN74LS14N-NG contains six independent Schmitt-trigger inverter channels in a single 14-pin DIP package, allowing multiple signal conditioning or inversion tasks to be handled with a single IC, saving board space and cost.
What package does the SN74LS14N-NG use?
The SN74LS14N-NG uses a 14-pin DIP (Dual In-Line Package) through-hole package, which is easy to insert into breadboards and through-hole PCBs, making it well-suited for prototyping, education, and legacy design applications.
What are common applications of the SN74LS14N-NG?
Common applications include switch debouncing, waveform shaping for oscillator circuits, noise rejection in sensor interfaces, signal level restoration over long transmission lines, and generating sharp digital transitions from slowly changing analog signals.
What CMOS equivalent can replace the SN74LS14N-NG?
The 74HC14 or 74HCT14 from various manufacturers can replace the SN74LS14N-NG in most designs, offering lower power consumption and pin compatibility, with 74HCT14 being the preferred drop-in replacement for 5V TTL-level input systems.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
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
ULN2003ANE4
Dual-In-Line Packages
Integrated Circuit
OPA2381AIDGKT
Small Outline Packages
Integrated Circuit
CD54HCT75F3A
Ceramic Dual-In-Line Packages
Integrated Circuit
SN65HVD1786D
Small Outline Packages
Integrated Circuit
ULN2003BPWR
Small Outline Packages
Integrated Circuit
ULN2003APWR
Small Outline Packages
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”