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74HCT08D

Name: 74HCT08D
Rating: 4.7 (12 reviews)

IC GATE AND 4CH 2-INP 14SOIC

Производитель
Мфр. Часть #74HCT08D
Пакет SOIC-14
Лист данных
В наличии4454

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
Series	74HCT
ProductStatus	Obsolete
LogicType	AND Gate
NumberofCircuits	4
NumberofInputs	2
Voltage-Supply	4.5V ~ 5.5V
Current-Quiescent(Max)	1 µA
Current-OutputHighLow	4mA, 4mA
LogicLevel-Low	0.8V
LogicLevel-High	2V
MaxPropagationDelay@VMaxCL	18ns @ 5.5V, 50pF
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
SupplierDevicePackage	14-SOIC

Обзор

Description

The 74HCT08D is a quad 2-input NAND gate integrated circuit (IC) that belongs to the 74HCT series, which features high-speed CMOS technology while being compatible with TTL (Transistor-Transistor Logic) levels. Each of the four NAND gates outputs a logic low when both inputs are high, making it useful for implementing various logic functions.
The 74HCT08D operates over a supply voltage range of 2V to 6V, with a typical propagation delay of around 10ns at 5V. It is packaged in a DIP (Dual In-line Package) or surface-mount formats, suitable for various applications in digital circuits, including signal processing and control systems.
Due to its low power consumption and high noise immunity, the 74HCT08D is commonly used in designing combinational logic circuits, interfacing with microcontrollers, and building complex digital systems. Its versatility and ease of use make it a popular choice for both hobbyists and professionals in electronics.

Features

The 74HCT08D is a quad 2-input NAND gate integrated circuit. Key features include:
1. Logic Gates: Contains four independent 2-input NAND gates.
2. Input Compatibility: TTL-compatible inputs, allowing it to interface easily with other TTL devices.
3. Output Drive: Capable of driving up to 20 mA output current.
4. Supply Voltage: Operates within a supply voltage range of 4.5V to 5.5V.
5. Low Power Consumption: Designed for low power dissipation, suitable for battery-operated devices.
6. High Noise Immunity: Offers improved noise margins due to its CMOS technology, which enhances reliability.
7. Temperature Range: Typically operates from -40°C to +125°C.
8. Package Options: Available in various package types, including DIP and SOIC, for flexibility in applications.
This IC is commonly used in digital circuits for implementing logic functions, making it versatile in both consumer electronics and industrial applications.

Package

The 74HCT08D is typically available in a DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package type. The "D" suffix indicates a surface mount package configuration, specifically SOIC.

Pinout

The 74HCT08D is a quad 2-input AND gate IC. It consists of four independent AND gates, each of which performs a logical AND operation on two input signals.
Pin Count: 14 pins.
Pin Functions:
1. Pins 1, 2: Input A1, Input B1 (for Gate 1)
2. Pin 3: Output Y1 (for Gate 1)
3. Pins 4, 5: Input A2, Input B2 (for Gate 2)
4. Pin 6: Output Y2 (for Gate 2)
5. Pins 10, 11: Input A3, Input B3 (for Gate 3)
6. Pin 9: Output Y3 (for Gate 3)
7. Pins 12, 13: Input A4, Input B4 (for Gate 4)
8. Pin 8: Output Y4 (for Gate 4)
9. Pin 7: Ground (GND)
10. Pin 14: Power Supply (Vcc)
The device is characterized by a high-speed operation and is compatible with TTL logic levels.

Manufacturer

The manufacturer of the 74HCT08D is Nexperia, a semiconductor company that specializes in the production of discrete, logic, and MOSFET devices. Nexperia was formed in 2017 as a spin-off from NXP Semiconductors, focusing on high-volume manufacturing and delivering reliable, high-quality components for various applications in automotive, industrial, and consumer electronics. The 74HCT08D is a quad 2-input NAND gate, commonly used in digital circuits for logic operations. Nexperia is known for its commitment to efficiency and innovation in the semiconductor industry.

Application

The 74HCT08D is a quad 2-input NAND gate IC commonly used in digital logic applications. Its main application areas include:
1. Logic Operations: Performing basic logical functions in combinational circuits.
2. Data Processing: Implementing decision-making processes in microcontroller and microprocessor systems.
3. Signal Conditioning: Filtering and shaping digital signals.
4. Control Systems: Used in automation and control logic for various electronic devices.
5. Timing Circuits: Serving in clock and timing applications within sequential logic designs.

Equivalent

The 74HCT08D is a quad 2-input AND gate. Equivalent products include:
1. 74HC08
2. 74LS08
3. 74F08
4. MC74HCT08A
5. 74VHCT08
Ensure compatibility with voltage levels and specifications when substituting.

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