SN74AHC244DWR

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SN74AHC244DWR

IC BUFF NON-INVERT 5.5V 20-SOIC

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사양

Series 74AHC
Part Status Active
Base Product Number 74AHC244
Logic Type Buffer, Non-Inverting
Number of Elements 2
Number of Bits per Element 4
Output Type 3-State
Current - Output High, Low 8mA, 8mA
Voltage - Supply 2V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

개요

Description

The SN74AHC244DWR is an octal buffer/driver integrated circuit (IC) designed for high-speed digital signal applications. It features eight independent non-inverting buffers, providing a high degree of input-output isolation. The device operates with a supply voltage range of 2V to 5.5V, making it suitable for both 3.3V and 5V logic systems.
Key specifications include fast switching speeds, low power consumption, and high noise immunity. The SN74AHC244DWR is designed to drive large capacitive loads, making it ideal for applications in data transmission, signal buffering, and driving LEDs.
The IC has a wide range of applications in consumer electronics, telecommunications, and industrial control systems. It comes in a small TSSOP-20 package, suitable for space-constrained designs. Overall, the SN74AHC244DWR is a versatile and reliable choice for engineers requiring robust signal buffering solutions in digital circuitry.

Features

The SN74AHC244DWR is a hex buffer/driver with 3-state outputs, designed for high-speed and low-power applications. Key features include:
1. Hex Buffers/Drivers: Contains six independent buffers/drivers, allowing for multiple signal handling.
2. 3-State Outputs: Outputs can be enabled or disabled, providing flexibility in circuit design.
3. High-Speed Operation: Typically operates at speeds up to 5 ns at 5V, suitable for high-frequency applications.
4. Wide Supply Voltage Range: Operates from 2V to 5.5V, accommodating various system requirements.
5. Low Power Consumption: Designed for low quiescent current, enhancing battery life in portable devices.
6. TTL Compatible: Inputs and outputs are compatible with TTL logic levels, ensuring easy integration with existing systems.
7. Wide Temperature Range: Operates effectively in environments ranging from -40°C to 125°C.
This makes the SN74AHC244DWR ideal for buffering signals in digital circuits, particularly in communication, computing, and control applications.

Package

The SN74AHC244DWR comes in a TSSOP-20 (Thin Shrink Small Outline Package) type package. This surface-mount package is designed for efficient space usage and is suitable for various electronic applications.

Pinout

The SN74AHC244DWR is an octal buffer/driver with 3-state outputs from Texas Instruments. It features a total of 20 pins.
Pin Count and Functions:
- Pins 1-4, 10-13: Data Inputs (A1-A4, B1-B4)
- Pins 5, 6, 7, 8: Control Inputs (G1, G2A, G2B, GND)
- Pins 9, 14, 15, 20: Tri-state Outputs (Y1-Y4, Z1-Z4)
- Pin 17: VCC (Supply Voltage)
- Pin 18: GND (Ground)
- Pins 19: No Connection (NC)
The device operates with a supply voltage range of 2V to 5.5V, and its primary function is to provide signal buffering and drive capability, allowing it to interface between different logic levels while maintaining high-speed operation.

Manufacturer

The SN74AHC244DWR is manufactured by Texas Instruments (TI), a global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, TI is known for designing and producing a wide range of semiconductor products, including analog, digital signal processing (DSP), and microcontroller devices. The company serves various industries such as automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovative technologies and commitment to quality, making it a leading player in the electronics industry.

Application

The SN74AHC244DWR is a dual octal buffer/driver with 3-state outputs, widely used in digital circuits for signal buffering, isolation, and level shifting. Its application areas include data communication, interfacing between microcontrollers and peripherals, driving LED displays, and enhancing signal integrity in high-speed environments. It is suitable for various consumer electronics, industrial automation, and automotive systems.

Equivalent

Equivalent products to the SN74AHC244DWR include the 74AHCT244, 74HC244, and 74HCT244. Other options may include the MC74HC244 and 74LVX244, depending on specific application requirements such as voltage levels and speed. Always check the datasheets for exact pin configurations and electrical characteristics before substituting.

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