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74HCT02D

Name: 74HCT02D
Rating: 4.7 (12 reviews)

IC GATE NOR 4CH 2-INP 14SOIC

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包 SOIC-16
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	74HCT
ProductStatus	Obsolete
LogicType	NOR 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	16ns @ 5.5V, 50pF
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
SupplierDevicePackage	14-SOIC

概述

Description

The 74HCT02D is a quad 2-input NOR gate integrated circuit, part of the 74HC/HCT series, which are high-speed CMOS logic devices. The 'HCT' designation indicates that it operates with TTL-compatible input levels while maintaining low power consumption. Each gate in the 74HCT02D can perform a logical NOR operation, outputting a low signal only when both inputs are high.
Features include:
- Four independent NOR gates
- Wide operating voltage range (usually 4.5V to 5.5V)
- Fast switching speeds (typically around 15 ns)
- Low power consumption
- Compatible with standard TTL logic levels
The 74HCT02D is commonly used in digital circuits for implementing logical functions, interfacing with microcontrollers, and building combinational logic circuits. Its compact size and versatile functionality make it suitable for various applications in electronics and embedded systems.

Features

The 74HCT02D is a quad 2-input NOR gate IC, part of the 74HCT series that is designed to operate with TTL-compatible input levels. Key features include:
1. Quad Functionality: Contains four independent NOR gates, allowing for multiple logic operations in a single package.
2. TTL Compatibility: Designed to be compatible with TTL outputs, ensuring reliable interfacing with other TTL logic devices.
3. Voltage Range: Operates typically at 5V, with a specified range from 2V to 6V.
4. Low Power Consumption: Consumes less power compared to traditional TTL counterparts, making it suitable for battery-operated devices.
5. High Speed: Offers fast switching times, enhancing performance in high-speed applications.
6. Wide Temperature Range: Functionality maintained across a broad temperature range, suitable for various environmental conditions.
7. Pin Configuration: Standard 14-pin DIP package, facilitating easy integration into circuits.
Overall, the 74HCT02D is ideal for digital logic applications requiring NOR logic functions.

Package

The 74HCT02D is typically packaged in a Dual In-line Package (DIP) form factor, specifically a 14-pin DIP. It may also be available in other package types, such as TSSOP or SOIC, depending on the manufacturer. Always refer to the specific datasheet for detailed packaging information.

Pinout

The 74HCT02D is a quad 2-input NOR gate IC, part of the 74HCT series which is compatible with TTL logic levels. It features a total pin count of 14.
Pin Functions:
- Pins 1 & 2: Inputs for the first NOR gate (A1, B1)
- Pin 3: Output for the first NOR gate (Y1)
- Pins 4 & 5: Inputs for the second NOR gate (A2, B2)
- Pin 6: Output for the second NOR gate (Y2)
- Pins 9 & 10: Inputs for the third NOR gate (A3, B3)
- Pin 11: Output for the third NOR gate (Y3)
- Pins 12 & 13: Inputs for the fourth NOR gate (A4, B4)
- Pin 8: Output for the fourth NOR gate (Y4)
- Pin 7: Ground (GND)
- Pin 14: VCC (positive power supply)
The 74HCT02D operates with a supply voltage range of 4.5V to 5.5V.

Manufacturer

The manufacturer of the 74HCT02D is Nexperia, a global semiconductor company. Nexperia specializes in the production of discrete, logic, and MOSFET components, focusing on high-quality, reliable products for various applications in the electronics industry. The company originated from NXP Semiconductors, which was spun off to concentrate on the production of standard semiconductor products. Nexperia is known for its expertise in manufacturing integrated circuits and offers a wide range of components used in various sectors, including automotive, industrial, and consumer electronics.

Application

The 74HCT02D is a dual 2-input NOR gate IC used in various applications including digital logic circuits, signal processing, data routing, and combinational logic design. It is employed in microprocessor interfacing, memory address decoding, and as a basic building block in more complex systems. Its low-power consumption and high-speed performance make it suitable for consumer electronics, automotive systems, and communication devices.

Equivalent

The 74HCT02D chip is a quad 2-input NOR gate. Equivalent products include:
- 74HC02
- 74LS02
- 74F02
These chips may vary in logic family (HCT, HC, LS, F) but functionally provide similar NOR gate capabilities. Always check specific electrical characteristics and pin configurations to ensure compatibility.