SN74HC14DR

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SN74HC14DR

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IC INV SCHMITT 6CH 1-IN 14SOIC

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74HC
ProductStatus Active
LogicType Inverter
NumberofCircuits 6
NumberofInputs 1
Features Schmitt Trigger
Voltage-Supply 2V ~ 6V
Current-Quiescent(Max) 2 µA
Current-OutputHighLow 5.2mA, 5.2mA
LogicLevel-Low 0.3V ~ 1.2V
LogicLevel-High 1.5V ~ 4.2V
MaxPropagationDelay@VMaxCL 21ns @ 6V, 50pF
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Overview

Description

The SN74HC14DR is a high-speed CMOS logic device from Texas Instruments, featuring six independent Schmitt-trigger inverters. These inverters are designed to transform slowly changing input signals into sharply defined, jitter-free output signals, making them useful for signal conditioning and waveform shaping in digital circuits. The device operates within a wide voltage range from 2V to 6V and supports standard TTL logic levels, providing versatility in various applications.
Distinctive features include a Schmitt-trigger action that offers hysteresis between the high and low input levels, enhancing noise immunity and ensuring stable operation in noisy environments. The SN74HC14DR is characterized by low power consumption, high-speed operation, and the capability to drive 10 LSTTL loads. It is commonly used in oscillator circuits, debounce switches, and other applications requiring signal noise filtering.
Packaged in a SOIC-14 (DR) form factor, it is suitable for surface-mount applications. The SN74HC14DR is widely used in consumer electronics, industrial, and communication systems due to its reliability and efficiency.

Equivalent

The SN74HC14DR is a hex Schmitt-trigger inverter. Equivalent products include the CD74HC14E from Texas Instruments, MC74HC14ADR2 from ON Semiconductor, NXP's 74HC14Dand the Fairchild (now ON Semiconductor) 74HC14. These chips perform the same function and are generally pin-compatible, but always check specific datasheets to ensure compatibility in terms of electrical characteristics and packaging.

Features

The SN74HC14DR is a hex Schmitt-trigger inverter from Texas Instruments. It features six independent inverters, each with Schmitt-trigger action to provide greater noise immunity and output signal shaping. One key characteristic is the ability to process slow input rise and fall times, thanks to the Schmitt-trigger input. It operates within a voltage range of 2V to 6V, making it suitable for both 3.3V and 5V systems. The device supports a wide operating temperature range from -40°C to 85°C, making it suitable for various applications, including automotive. It offers TTL-compatible inputs for interfacing with digital logic levels. The SN74HC14DR is designed for low power consumption while delivering high-speed performance, with a maximum propagation delay of 18 ns at 5V. Its outputs can drive up to 10 LSTTL loads. The device comes in an SOIC-14 package, making it compact for PCB designs. With hysteresis built into the input, it effectively filters noise and provides cleaner switching, enhancing performance in digital circuits.

Pinout

The SN74HC14DR is a hex Schmitt-trigger inverter integrated circuit from the 74HC logic family, available in a 14-pin SOIC package. It contains six independent inverters, each with a Schmitt-trigger input, which means they provide hysteresis between the input high and low voltage levels, offering more noise immunity and a cleaner output transition.
The key functions of the SN74HC14DR include:
1. Pin Count: 14 pins.
2. Pin Functions:
- Pins 1, 3, 5, 9, 11, 13: Input pins for the six Schmitt-trigger inverters.
- Pins 2, 4, 6, 8, 10, 12: Output pins corresponding to each inverter input.
- Pin 7: Ground (GND).
- Pin 14: Supply voltage (VCC).
These devices are used to enhance signal integrity in digital circuits, often employed to clean up signals with slow rise or fall times, and they can drive TTL devices due to their output capability.

Manufacturer

The SN74HC14DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic applications. TI is known for its innovations in analog and digital signal processing, microcontrollers, and other semiconductor technologies. The company serves multiple industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments was founded in 1930 and has a strong reputation for its research and development capabilities, contributing to advancements in the electronics and semiconductor sectors.

Application

The SN74HC14DR is a hex Schmitt-trigger inverter IC, used in a variety of applications due to its ability to clean up noisy signals and provide signal conditioning. Common application areas include:
1. Signal Debouncing: Used in eliminating noise from mechanical switches and buttons.
2. Waveform Shaping: Converts slow, noisy inputs into clean digital signals.
3. Oscillators: Used in simple oscillator circuits for generating clock signals.
4. Level Translation: Facilitates interfacing between different logic levels.
5. Noise Immunity: Enhances circuit robustness in electrically noisy environments.
6. Communication Systems: Ensures reliable data transmission by stabilizing signal integrity.
Its versatility makes it valuable in both consumer electronics and industrial applications.

Package

The SN74HC14DR is a hex Schmitt-trigger inverter IC from Texas Instruments. The package type "DR" refers to the SOIC (Small Outline Integrated Circuit) package with a 14-pin configuration. This package is designed for surface mounting on PCBs and is commonly used in various electronic applications due to its compact size and reliable performance.