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74AC14SC

Name: 74AC14SC
Rating: 4.7 (12 reviews)

IC INV SCHMITT 6CH 1-IN 14SOIC

제조업체
Mfr.부분 #74AC14SC
패키지 14-SOIC
데이터시트 74AC14SC DataSheet
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사양

Package	Tube
Series	74AC
ProductStatus	Active
LogicType	Inverter
NumberofCircuits	6
NumberofInputs	1
Features	Schmitt Trigger
Voltage-Supply	2V ~ 6V
Current-Quiescent(Max)	2 µA
Current-OutputHighLow	24mA, 24mA
LogicLevel-Low	0.5V ~ 1.1V
LogicLevel-High	2.2V ~ 3.9V
MaxPropagationDelay@VMaxCL	10ns @ 5V, 50pF
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
SupplierDevicePackage	14-SOIC

개요

Description

The 74AC14SC is a hex inverting Schmitt trigger, part of the 74AC series of logic ICs. It features six independent inverters with Schmitt-trigger inputs, which provide hysteresis to improve noise immunity and allow for faster signal transitions. This makes the 74AC14SC ideal for converting slow or noisy input signals into clean digital outputs.
Operating over a wide voltage range (typically from 2V to 6V), the device offers high-speed performance, with propagation delays as low as 5 ns at 5V. The Schmitt trigger action provides a well-defined output for varying input conditions, minimizing the risks of false triggering.
The 74AC14SC is commonly used in applications such as signal conditioning, waveform shaping, and digital logic level conversion. Its compact 14-pin SOIC package makes it suitable for space-constrained designs. Overall, the 74AC14SC is essential for enhancing signal integrity in various electronic circuits.

Features

The 74AC14SC is a hex inverting Schmitt trigger logic gate, designed for use in digital circuits. Key features include:
1. Hex Inverter: Contains six independent inverting Schmitt trigger gates, providing logic inversion with improved noise immunity and fast switching.
2. Wide Supply Voltage Range: Operates with a supply voltage of 2V to 6V, making it versatile for various applications.
3. High-Speed Operation: It offers fast propagation delay times, typically around 5-7 ns (at 5V), enabling high-speed performance in digital designs.
4. Low Power Consumption: Benefits from low static and dynamic power consumption, enhancing energy efficiency.
5. TTL Compatible: Compatible with TTL (Transistor-Transistor Logic) levels, allowing integration into existing TTL systems.
6. Temperature Range: Typically operates in a temperature range of -40°C to +125°C, suitable for industrial applications.
These features make the 74AC14SC ideal for use in signal conditioning, waveform shaping, and other logic applications.

Package

The 74AC14SC is typically packaged in a small outline integrated circuit (SOIC) package. It can also be found in other package types like PDIP or TSSOP depending on the manufacturer.

Pinout

The 74AC14SC is a hex inverter with Schmitt-trigger inputs, part of the 74AC series of digital logic ICs. It has a total of 14 pins.
Pin Functions:
- Pins 1, 2, 3, 4, 5, 6: Inputs for the six individual inverters (A1, A2, A3, A4, A5, A6).
- Pins 7, 8, 9, 10, 11, 12: Outputs corresponding to each input (Y1, Y2, Y3, Y4, Y5, Y6).
- Pin 13: Ground (GND).
- Pin 14: Supply voltage (VCC).
The Schmitt-trigger configuration enables the inverter to have different input threshold levels, providing improved noise immunity and better performance in rapidly changing signal environments. This makes the 74AC14SC suitable for various digital applications requiring signal conditioning and inversion.

Manufacturer

The 74AC14SC is manufactured by Texas Instruments, a leading semiconductor company. Texas Instruments (TI) specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions, including integrated circuits (ICs), microcontrollers, processors, and various other electronic components. Founded in 1930, TI is known for its innovations in the electronics industry, particularly in the fields of analog and mixed-signal processing, digital signal processing, and embedded processing. The company serves multiple markets, including automotive, industrial, communications, and consumer electronics, and is recognized for its commitment to quality and technological advancement.

Application

The 74AC14SC is a hex inverter Schmitt trigger, widely used in digital circuits for signal conditioning, timing applications, and waveform shaping. Its key application areas include debouncing mechanical switches, generating clean square waves from noisy inputs, interfacing with microcontrollers, and driving LED displays. It enhances signal integrity in high-speed applications by providing hysteresis, thus improving noise immunity and reducing false triggering.

Equivalent

The 74AC14SC chip is a hex buffer/inverter. Equivalent products include:
- 74ACT14 (TTL compatible)
- 74HC14 (High-speed CMOS)
- 74HCT14 (TTL compatible with HC logic levels)
- 74LVC14 (Low voltage CMOS)
Always check specific datasheets for pin configuration and electrical characteristics to ensure compatibility.