SN74HC244N

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SN74HC244N

+Nomenclature

IC BUFFER NON-INVERT 6V 20DIP

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Spécifications

Attribut Valeur
Package Tube
Series 74HC
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Through Hole
Package/Case 20-DIP (0.300, 7.62mm)

Présentation

Description

The SN74HC244N is a high-speed CMOS octal buffer/line driver manufactured by Texas Instruments. It is designed for use in systems that require high-speed data transmission, providing output drive capability with low power consumption. Key features include two sets of four non-inverting buffers, each with its own tri-state control for increased design flexibility. This means it can effectively control data flow and isolate components in digital systems.
The SN74HC244N operates with a supply voltage range of 2V to 6V, making it compatible with TTL logic levels. It offers high noise immunity and low power consumption, which is typical of CMOS technology. The device is used in applications such as memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
The package type for the SN74HC244N is typically a 20-pin DIP (Dual In-line Package), which is suitable for through-hole mounting on PCBs. The device ensures data integrity and speed in digital circuits, making it an essential component in various electronic projects and systems.

Equivalent

The SN74HC244N is a high-speed CMOS logic buffer/driver with 3-state outputs. Its equivalent products include:
1. 74HCT244
2. 74LS244
3. CD74HCT244
4. MC74HC244
These equivalents generally share similar functionality but may differ in terms of speed, power consumption, and input/output characteristics, so it's important to check the specific datasheets for compatibility with your application.

Features

The SN74HC244N is a high-speed CMOS octal buffer/line driver with three-state outputs. Key features include:
1. High-Speed CMOS Technology: Ensures low power consumption and high performance.
2. Octal Buffer/Line Driver: Provides 8 independent non-inverting buffers with 3-state outputs, suitable for driving bus lines or buffer memory address registers.
3. Three-State Outputs: Enables direct connections to bus lines, allowing multiple devices to share the same data lines without interference.
4. Wide Operating Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
5. High Noise Immunity: Offers improved noise margins compared to standard TTL logic.
6. Low Power Consumption: Designed to consume less power, making it ideal for battery-powered devices.
7. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
8. High Output Current: Capable of sourcing or sinking up to 6 mA, suitable for driving LED indicators or other loads.
9. Standard 20-Pin DIP: Comes in a standard 20-pin dual in-line package for easy integration.
These features make the SN74HC244N suitable for applications requiring efficient data buffering and driving capabilities.

Pinout

The SN74HC244N is a non-inverting octal buffer/driver with 3-state outputs. It has a total of 20 pins. This IC is designed to improve the driving capability and minimize loading on data bus lines. The pin functions are as follows:
1. Pin 1, 19 (1OE, 2OE): Output Enable for 1st and 2nd group of 4 buffers, active low.
2. Pin 2-9 (1A1-1A4, 2A1-2A4): Data inputs for the buffers.
3. Pin 18-11 (1Y1-1Y4, 2Y1-2Y4): Data outputs of the buffers.
4. Pin 10 (GND): Ground.
5. Pin 20 (VCC): Positive power supply.
The device is used for buffering data and isolating different sections of a system bus to prevent interference. It can drive up to 15 LSTTL loads and has a wide supply voltage range from 2V to 6V, making it versatile for various applications.

Manufacturer

The SN74HC244N is manufactured by Texas Instruments, a leading American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments is well-known for its innovation in the electronics industry, producing a wide range of products used in electronic systems, including microcontrollers, digital signal processors, and analog devices. As a multinational corporation with a significant influence on the semiconductor sector, Texas Instruments caters to diverse markets including industrial, automotive, personal electronics, communications, and enterprise systems.

Application

The SN74HC244N is a high-speed CMOS octal buffer/line driver with 3-state outputs, widely used in various applications. Key areas include:
1. Bus Driving: It buffers and drives data on buses, enhancing signal integrity.
2. Signal Isolation: Provides isolation between different sections of a circuit, preventing signal degradation.
3. Data Distribution: Ideal for distributing data to multiple peripherals.
4. Memory Addressing: Facilitates address buffering in memory systems.
5. Logic Level Conversion: Converts logic levels between different parts of a system.
6. Microprocessor Interfacing: Interfaces microprocessors with other devices, ensuring proper data flow.
Its capability to manage multiple signals efficiently makes it suitable for complex digital systems.

Package

The SN74HC244N is a high-speed CMOS octal buffer/line driver with 3-state outputs. It typically comes in a Dual In-line Package (DIP) with 20 pins.