SN74HCT244PW

Product Overview

Category

SN74HCT244PW belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a buffer or line driver in various electronic applications.

Characteristics

• High-speed operation
• Wide voltage range
• Low power consumption
• Compatibility with TTL inputs
• Output drive capability: ±4 mA at 5 V
• Schmitt-trigger action on all inputs

Package

SN74HCT244PW is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74HCT244PW lies in its ability to provide high-speed buffering and signal amplification in electronic circuits.

Packaging/Quantity

SN74HCT244PW is typically packaged in reels, with each reel containing a quantity of 2500 units.

Specifications

• Supply voltage range: 4.5 V to 5.5 V
• Input voltage range: 0 V to VCC
• Operating temperature range: -40°C to +85°C
• Propagation delay time: 9 ns (typical)
• Maximum output current: ±6 mA
• Input capacitance: 3.5 pF (typical)

Detailed Pin Configuration

1. A1
2. Y1
3. A2
4. Y2
5. GND
6. Y3
7. A3
8. Y4
9. A4
10. Y5
11. GND
12. Y6
13. A5
14. Y7
15. A6
16. Y8
17. VCC
18. OE
19. A7
20. GND

Functional Features

• Eight non-inverting buffers with 3-state outputs
• High-speed operation allows for efficient signal transmission
• Schmitt-trigger action ensures noise immunity and signal integrity
• Wide voltage range enables compatibility with various systems
• Low power consumption makes it suitable for battery-powered devices

Advantages

• Fast propagation delay time enhances overall system performance
• Compatibility with TTL inputs simplifies integration into existing designs
• Schmitt-trigger action provides robustness against noise and signal distortion
• Wide voltage range allows for versatile application in different voltage domains
• Low power consumption contributes to energy-efficient designs

Disadvantages

• Limited output drive capability may restrict usage in certain high-current applications
• TSSOP package may require careful handling during assembly due to its small size

Working Principles

SN74HCT244PW operates by receiving input signals on the A1-A7 pins, which are then buffered and amplified. The outputs (Y1-Y8) can be enabled or disabled using the OE (Output Enable) pin. When the OE pin is low, the outputs are active, allowing the buffered signals to pass through. Conversely, when the OE pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

SN74HCT244PW finds extensive use in various electronic applications, including but not limited to: - Data communication systems - Microcontroller interfacing - Memory address decoding - Clock signal distribution - Signal buffering in digital circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74HCT244PW include: - 74HC244: This IC operates at a wider voltage range of 2 V to 6 V. - CD74HCT244: It provides compatibility with CMOS inputs in addition to TTL inputs. - SN74LS244: This model offers higher output drive capability of ±24 mA.

These alternative models can be considered based on specific requirements and system constraints.

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