on November 15th 108

A Complete Guide to SN74HC14N

When navigating the landscape of digital electronics, the SN74HC14N IC is a versatile tool that offers reliable hex inverter functionality with Schmitt-trigger inputs. Known for its adeptness in noise reduction and signal conditioning, this component is basic to stabilizing fluctuating signals and enhancing clarity in noisy environments. With six independent inverters on a single chip, the SN74HC14N provides flexibility across a broad range of applications, from waveform shaping to level shifting. This article explores its features, pin configurations, and practical applications, highlighting why it’s favored in fields like automotive systems, industrial automation, and digital communication for maintaining signal integrity.

Catalog

Overview of SN74HC14N

The SN74HC14N holds a revered place in digital electronics due to its adaptability in providing hex inverter capabilities coupled with Schmitt-trigger inputs. This integrated circuit houses six distinct inverters on a single chip, which facilitates a broad spectrum of applications across diverse technological arenas. The incorporation of Schmitt-trigger inputs significantly aids in ensuring consistent and dependable logic-level transitions. These inputs play the ultimate role in reducing noise and enhancing signal fidelity, making the SN74HC14N highly advantageous in environments prone to interference or fluctuations in input voltages.

The benefit of having inverters with Schmitt-trigger attributes is embodied in their precision during challenging conditions. For example, in situations where input signals wobble due to environmental influences, the hysteresis quality serves as a stabilizing buffer. This function is frequently employed in devices demanding persistent signal clarity, such as oscillators or debounce circuits. Furthermore, you can often depend on the durability of the SN74HC14N for tasks where other inverters might struggle. Actual experiences suggest that incorporating Schmitt triggers into design architectures significantly reduces the likelihood of signal misinterpretation, emphasizing its efficacy in intricate circuits.

The successful implementation of the SN74HC14N requires careful examination of its electrical parameters to realize its full capabilities. This is frequently accomplished by effectively utilizing its noise-diminishing strengths, a tactic commonly adopted. The hysteresis function is useful in smoothing transition processes, ensuring circuits operate without abrupt shifts caused by transient disturbances. You can often gravitate towards this feature to bolster the operational dependability of their systems.

Pin Configuration

CAD Model

Symbol

Footprint

3D Model

Features

Feature	Description
Flushed Inputs	Ensures stable and reliable input transitions.
Operating Voltage Range	Broad range from 2V to 6V for versatile applications.
Operating Temperature Range	Supports operation in extreme conditions: -40°C to +85°C.
Fanout Support	Can drive up to 10 LSTTL loads.
Power Savings	Offers significant power savings compared to LSTTL logic ICs.

Technical Specifications

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 3 days ago)
Factory Lead Time	12 Weeks
Contact Plating	Gold
Mount	Through Hole
Mounting Type	Through Hole
Package / Case	14-DIP (0.300, 7.62mm)
Number of Pins	14
Weight	927.99329mg
Logic Level-High	1.5V ~ 4.2V
Logic Level-Low	0.3V ~ 1.2V
Operating Temperature	-40°C ~ 85°C
Packaging	Tube
Series	74HC
JESD-609 Code	e3
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	14
ECCN Code	EAR99
Terminal Finish	Matte Tin (Sn)
HTS Code	8542.39.00.01
Voltage - Supply	2V ~ 6V
Terminal Position	DUAL
Number of Functions	6
Supply Voltage	5V
Terminal Pitch	2.54mm
Base Part Number	74HC14
Pin Count	14
Max Output Current	5.2mA
Operating Supply Voltage	5V
Supply Voltage-Max (Vsup)	6V
Number of Channels	6
Load Capacitance	50pF
Output Current	5.2mA
Propagation Delay	21 ns
Quiescent Current	2μA
Turn On Delay Time	155 ns
Family	HC/UH
Logic Function	Buffer, Inverter, Schmitt Trigger
Logic Type	Inverter
Max I(ol)	0.004 A
Max Propagation Delay @ V, Max CL	21ns @ 6V, 50pF
Prop. Delay @ Nom-Sup	31 ns
Power Supply Current-Max (ICC)	0.02mA
Min Supply Voltage (DC)	2V
Schmitt Trigger Input	Yes
Features	Schmitt Trigger
Height	5.08mm
Length	19.3mm
Width	6.35mm
Thickness	3.9mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Components with Similar Specifications

Part Number	Manufacturer	Package / Case	Number of Pins	Logic Function	Propagation Delay	Min Supply Voltage	Supply Voltage	Quiescent Current	Technology
SN74HC14N	Texas Instruments	14-DIP (0.300, 7.62mm)	14	Buffer, Inverter, Schmitt	21 ns	2 V	5 V	2 µA	CMOS
SN74HC04N	Texas Instruments	14-DIP (0.300, 7.62mm)	14	-	16 ns	2 V	5 V	2 µA	CMOS
CD74HCU04E	Texas Instruments	14-DIP (0.300, 7.62mm)	14	-	12 ns	-	4.5 V	2 µA	CMOS
SN74AHC04N	Texas Instruments	14-DIP (0.300, 7.62mm)	14	-	13 ns	-	3.3 V	2 µA	CMOS
MC74HCU04ANG	ON Semiconductor	14-DIP (0.300, 7.62mm)	14	-	12 ns	-	3 V	1 µA	CMOS

Applications

Digital Systems

In the world of digital systems, the SN74HC14N serves as a cornerstone for achieving precise clock input management, which enhances performance in microcontrollers and computing systems by stabilizing timing. It expertly synchronizes digital circuits, which helps to prevent timing discrepancies, minimizing the risk of data errors.

Switch Control

When it comes to switching control, the SN74HC14N shines with its swift response times and ability to mitigate signal bounce, a notorious issue with mechanical switches. Implementing this IC in consumer electronic circuits leads to interfaces that are more dependable, ensuring efficient input recognition that resonates with your expectations.

Digital Signal Inversion

This IC is celebrated for its digital signal inversion abilities, offering versatility in complex circuits by inverting undesirable logic states, a technique prevalent in communication systems to align signal needs. For example, in networking hardware, successful signal inversion enhances compatibility across different components, thus simplifying integration and fostering unity within diverse setups.

Signal Conditioning and Noise Filtering

Exhibiting proficiency in signal conditioning, the SN74HC14N ensures the integrity of electronic communications by refining input signals to reduce jitter and prevent surges that could otherwise unravel data transmissions. Its prowess in noise filtering proves advantageous in environments plagued by electromagnetic interference, mostly in industrial automation, where maintaining reliability is a deeply held commitment.

Level Shifting and Interfacing

In digital logic frameworks, the SN74HC14N facilitates level shifting, addressing voltage disparities between components, which is active in mixed-voltage systems to ensure smooth interoperability. Such level shifting is instrumental in robotics, where it upholds seamless communication between sensors and processing units, paving the way for efficient data processing and actionable insights.

Package

Datasheet PDF

SN74HC14N Datasheets:

SN54,74HC14.pdf

SN74HC04N Datasheets:

SN54HC04, SN74HC04.pdf

CD74HCU04E Datasheets:

Logic Guide.pdf