SN74HCT244PW

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SN74HCT244PW

IC BUF NON-INVERT 5.5V 20TSSOP

  • 제조업체
  • Mfr.부분 #SN74HCT244PW
  • 패키지 20-TSSOP
  • 데이터시트
  • 재고 있음6106

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사양

Package Tube
Series 74HCT
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 6mA, 6mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

개요

Description

The SN74HCT244PW is an octal buffer/driver with three-state outputs, designed for high-speed applications. It operates within a voltage range of 4.5V to 5.5V, making it suitable for 5V logic levels. The device features eight independent D-type flip-flops, which can be used to buffer data signals and drive high capacitive loads.
It has two active low enable inputs, allowing control over the output states. When enabled, the outputs follow the input signals, while in the disabled state, the outputs enter a high-impedance state. This feature is crucial for bus-oriented systems where multiple devices share the same data lines.
The SN74HCT244PW is compatible with TTL inputs and offers improved noise margins compared to standard TTL devices. Its CMOS technology provides low power consumption, making it ideal for battery-operated devices. The device is commonly used in various applications, including data routing, level shifting, and signal buffering in digital circuits.
Overall, the SN74HCT244PW is a versatile and reliable component in digital electronics, suitable for both consumer and industrial applications.

Features

The SN74HCT244PW is an octal buffer/driver with 3-state outputs, commonly used in digital circuits for signal buffering and drive applications. Key features include:
1. Voltage Compatibility: Compatible with TTL logic levels while operating from a 3V to 5.5V power supply, making it suitable for both 3.3V and 5V systems.
2. High Drive Capability: Each output can drive up to 15mA, making it effective for interfacing with various digital and analog components.
3. Three-State Outputs: The device features individual output enable controls for each of the eight outputs, allowing for high-impedance states when disabled.
4. Wide Operating Temperature: It functions effectively in a temperature range of -40°C to +125°C.
5. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
6. TTL-Compatible Inputs: Ensures compatibility with existing TTL systems.
This IC is widely used in applications such as data buffering, level shifting, and interfacing between subsystems.

Package

The SN74HCT244PW is packaged in a TSSOP (Thin Shrink Small Outline Package) type. This surface-mount package has a pin count of 20.

Pinout

The SN74HCT244PW is a hex buffer/driver with 3-state outputs. It has a total of 20 pins.
Pin Functions:
- 1A to 6A (Pins 2-7): Inputs (A1 to A6) for data signals.
- 1Y to 6Y (Pins 11-16): Outputs (Y1 to Y6) that buffer the input signals.
- GND (Pin 10): Ground reference.
- VCC (Pin 20): Supply voltage (typically +5V).
- OE (Pin 1): Output Enable; when LOW, the outputs are enabled, and when HIGH, the outputs are in a high-impedance state.
- DIR (Pin 9): Direction control for the data flow (used in some configurations).
This device is commonly used for driving loads, signal buffering, and level shifting in digital circuits.

Manufacturer

The SN74HCT244PW is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including digital signal processors (DSPs), microcontrollers, and analog devices. The company is known for its innovation in the semiconductor industry and provides a wide range of products used in electronics across various sectors, including telecommunications, automotive, industrial, and consumer electronics. TI is particularly recognized for its contributions to the development of analog and embedded processing technologies.

Application

The SN74HCT244PW is a high-speed hex buffer/driver designed for various applications, including data transfer, signal buffering, and driving capacitive loads. It's commonly used in digital circuits for level shifting, enhancing signal integrity, and interfacing between different logic families. Its features make it suitable for use in communication systems, automotive electronics, and consumer devices that require reliable signal processing and amplification.

Equivalent

Equivalent products to the SN74HCT244PW chip include the 74HC244, 74HCT240, and MC74HCT244. Additionally, other manufacturers may have compatible options like the 74LVC244 or 74VHC244. Always check the specific voltage, current ratings, and other specifications to ensure compatibility for your application.

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