SN74AHC244DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, Low-Power, Non-Inverting
• Package: SSOP (Shrink Small Outline Package)
• Essence: Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Maximum Operating Frequency: 50 MHz
• Number of Channels: 6
• Output Current: ±8 mA
• Propagation Delay: 7 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHC244DBR has a total of 20 pins, which are divided into two sections:

Section A (Input/Output)

1. A1 - Channel 1 Input
2. Y1 - Channel 1 Output
3. A2 - Channel 2 Input
4. Y2 - Channel 2 Output
5. A3 - Channel 3 Input
6. Y3 - Channel 3 Output
7. A4 - Channel 4 Input
8. Y4 - Channel 4 Output
9. A5 - Channel 5 Input
10. Y5 - Channel 5 Output
11. A6 - Channel 6 Input
12. Y6 - Channel 6 Output

Section B (Power/Ground)

1. GND - Ground
2. VCC - Power Supply
3. OE - Output Enable

Functional Features

• Non-Inverting Buffer/Line Driver: The SN74AHC244DBR is designed to provide non-inverting buffering and line driving capabilities.
• High-Speed Operation: With a maximum operating frequency of 50 MHz, it can handle high-speed data transmission.
• Low Power Consumption: The IC operates at a low supply voltage range of 2 V to 5.5 V, making it energy-efficient.
• Output Enable (OE) Control: The OE pin allows the user to enable or disable the outputs, providing flexibility in controlling the signal flow.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transmission.
• Low power consumption helps conserve energy.
• Non-inverting buffer design simplifies signal processing.
• Output enable control offers flexibility in signal routing.

Disadvantages

• Limited number of channels (6) may not be sufficient for complex applications requiring more inputs/outputs.
• Propagation delay of 7 ns (max) may introduce slight delays in time-critical applications.

Working Principles

The SN74AHC244DBR is based on CMOS technology, which allows for high-speed operation and low power consumption. It functions as a non-inverting buffer/line driver, meaning that the input signal is reproduced at the output without any inversion. The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74AHC244DBR is commonly used in various applications, including:

1. Data Communication Systems: It can be used to interface between different logic families or voltage levels, ensuring compatibility and reliable data transfer.
2. Industrial Automation: The IC can be employed in control systems to buffer and drive signals between different components, such as sensors, actuators, and microcontrollers.
3. Automotive Electronics: It finds application in automotive systems where signal buffering and level shifting are required, such as in-car entertainment systems, engine control units, and communication modules.

Detailed and Complete Alternative Models

1. SN74AHC244N: DIP (Dual In-line Package) version of the SN74AHC244DBR.
2. SN74LVC244A: Low-Voltage CMOS version with similar functionality but operates at a lower voltage range (1.65 V to 5.5 V).
3. SN74HCT244: High-Speed CMOS version with TTL compatibility.

These alternative models offer similar functionalities but may differ in package type, voltage range, or other specifications.

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