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74HCT540D

Name: 74HCT540D
Rating: 4.7 (12 reviews)

IC BUFFER INVERT 5.5V 20SOIC

Производитель
Мфр. Часть #74HCT540D
Пакет SOIC-14
Лист данных 74HCT540D DataSheet
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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
Series	74HCT
ProductStatus	Active
LogicType	Buffer, Inverting
NumberofElements	1
NumberofBitsperElement	8
OutputType	3-State
Current-OutputHighLow	6mA, 6mA
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	20-SOIC (0.295, 7.50mm Width)

Обзор

Description

The 74HCT540D is a hex buffer/driver IC designed for high-speed digital applications. It belongs to the 74HCT series, which is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) family compatible with TTL (Transistor-Transistor Logic) levels. This device features six independent buffer/driver stages, each with a high input impedance and low output impedance, making it suitable for driving capacitive loads.
Key specifications include a supply voltage range of 4.5V to 5.5V, a low power consumption, and a high-speed operation, typically achieving propagation delays around 10 ns. The 74HCT540D is available in various packages, with a 16-pin DIP (Dual In-line Package) being one of the most common.
Applications include signal buffering, level shifting, and driving LEDs or other loads in digital circuits, making it a versatile component in both consumer electronics and industrial applications. Its robust performance and ease of use have made it a popular choice among engineers and hobbyists alike.

Features

The 74HCT540D is a hex buffer/driver with 3-state outputs, part of the 74HCT series designed for high-speed operation. Key features include:
1. Hex Buffer/Driver: Contains six independent buffer/driver stages.
2. 3-State Outputs: Each output can be enabled or disabled, allowing for multiple devices to share a common output line.
3. Logic Levels: Compatible with both TTL and CMOS logic levels, making it versatile for various applications.
4. Wide Supply Voltage Range: Operates from 4.5V to 5.5V, suitable for standard logic applications.
5. High Speed: Typical propagation delay is approximately 10 ns, ensuring fast signal processing.
6. Low Power Consumption: Designed for efficient power usage, making it suitable for battery-operated devices.
7. Pin Configuration: Available in a 20-pin DIP or surface-mount packages, facilitating easy integration into circuits.
These features make the 74HCT540D ideal for applications in digital circuits requiring signal buffering and driving capability.

Package

The 74HCT540D is available in a DIP (Dual In-line Package) format, specifically a 20-pin configuration. It can also be found in other packages like TSSOP. This package type is commonly used for integrating multiple logic functions in a compact space.

Pinout

The 74HCT540D is a hex inverter buffer/driver with three-state outputs. It features a 20-pin Dual In-line Package (DIP) configuration.
### Pin Count:
- 20 Pins
### Functions:
- Inputs (A1-A6): Receive logic signals; there are 6 input pins.
- Outputs (Y1-Y6): Provide buffered (inverted) versions of the corresponding inputs; there are 6 output pins.
- Enable Pins (OE1, OE2): Control the output state; when enabled, outputs are active (driven), and when disabled, outputs are in a high-impedance state.
- VCC: Power supply pin (typically +5V).
- GND: Ground pin.
The 74HCT540D is commonly used in digital circuits for signal buffering, driving loads, or in applications requiring high-speed switching.

Manufacturer

The 74HCT540D is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits. The company primarily serves sectors such as electronics, telecommunications, automotive, and industrial markets. TI is renowned for its innovation in analog and digital signal processing, and it produces a wide range of products, including microcontrollers, processors, and data converters, in addition to logic devices like the 74HCT540D.

Application

The 74HCT540D is a hex buffer/driver with a three-state output, commonly used in digital circuits for signal buffering and driving high-capacitance loads. Key application areas include interfacing between different logic levels, driving LEDs, communication interfaces, and data transmission systems. It's also utilized in microcontroller and FPGA interfacing, as well as in bus systems where multiple devices share the same data lines.

Equivalent

The 74HCT540D is a hex buffer/driver with three-state outputs. Equivalent products include the 74HC540, 74AC540, and 74AHC540. Other alternatives might include the 74LVC540, depending on supply voltage and speed requirements. Check specific datasheets for pin compatibility and electrical characteristics before substituting.

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