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SN74HC244N

Name: SN74HC244N
Rating: 4.7 (12 reviews)

IC BUFFER NON-INVERT 6V 20DIP

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製造商。部分 #SN74HC244N
包 PDIP (N)-20
資料表 SN74HC244N DataSheet
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規格

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)

概述

Description

The SN74HC244N is an octal buffer/driver featuring high-speed, high-voltage CMOS technology. It contains two sets of four buffers that can accept TTL input levels and provide CMOS output levels. This makes it suitable for interfacing between TTL devices and high-speed CMOS circuits.
Key features include:
- Functionality: It can drive capacitive loads and is used for signal buffering and driving applications.
- Voltage Range: Operates within a supply voltage range of 2V to 6V.
- High Speed: Fast propagation delays (typically around 9 ns at 5V).
- Low Power Consumption: Consumes low static power, making it energy-efficient.
- Tri-State Outputs: Outputs can be enabled or disabled, allowing for multiple devices to connect to a common bus.
Overall, the SN74HC244N is widely used in digital circuits for signal conditioning and buffering tasks due to its reliability and versatility.

Features

The SN74HC244N is an octal buffer/driver with 3-state outputs designed for high-speed applications. Key features include:
1. Voltage Range: Operates with a supply voltage of 2V to 6V, making it compatible with various logic levels.
2. High-Speed Operation: Capable of switching speeds up to 25 ns at a 5V supply.
3. 3-State Outputs: Each output can be enabled or disabled, allowing for multiple devices to share a common bus without interference.
4. Input Compatibility: Compatible with TTL and CMOS logic levels, ensuring versatility in various circuits.
5. Low Power Consumption: Designed with low power operation in mind, suitable for battery-powered applications.
6. Wide Operating Temperature: Functional over a temperature range of -40°C to 125°C.
7. Pin Configuration: Standard DIP-20 package for easy integration into various designs.

These features make the SN74HC244N ideal for bus-oriented applications, signal buffering, and driving capacitive loads.

Package

The SN74HC244N is packaged in a 20-pin dual in-line package (DIP). This type of package features two parallel rows of pins, facilitating easy insertion into a breadboard or socket for prototyping and circuit design.

Pinout

The SN74HC244N is an octal buffer/driver with three-state outputs. It features 20 pins. The pin configuration includes:
- Inputs (A1-A8): Pins 2-9 receive data.
- Enable (G1, G2): Pins 1 and 19 control the output state. G1 (active low) enables the output for A1-A8, while G2 (active high) disables it.
- Outputs (Y1-Y8): Pins 11-18 output the buffered data from inputs A1-A8.
- Vcc: Pin 20 is the power supply (+2V to +6V).
- GND: Pin 10 is the ground.
The device provides high-speed buffering and drives capacitive loads while isolating input and output circuitry.

Manufacturer

The SN74HC244N is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, including analog, embedded processing, and digital signal processing technologies. TI serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in the semiconductor industry and its commitment to providing high-performance electronic components and solutions.

Application

The SN74HC244N is an octal buffer/driver with three-state outputs, commonly used in digital circuits for signal buffering, level shifting, and driving high-capacitance loads. Its application areas include data bus buffering, memory interfacing, communication systems, and implementing logic functions in microcontroller and FPGA designs. It enhances signal integrity and provides isolation between different circuit sections, making it suitable for various electronic devices and systems.

Equivalent

Equivalent products to the SN74HC244N include the 74HC244, 74HCT244, MC74HC244A, and CD74HC244. These chips serve similar functions as octal buffers/drivers with tri-state outputs. Be sure to check specifications for differences in voltage levels, speed, and package types.