SN74AHC244DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, Low-Power, Non-Inverting
• Package: SOIC-20
• Essence: Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

The SN74AHC244DGVR is a high-speed, low-power buffer/line driver IC. It is designed to shift logic levels between different voltage domains. The IC operates on a supply voltage range of 2V to 5.5V, making it compatible with a wide range of digital systems. It features non-inverting outputs, which means the input signal is reproduced at the output without any inversion.

Detailed Pin Configuration

The SN74AHC244DGVR has a total of 20 pins arranged in a Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

1. A1 - Input 1
2. Y1 - Output 1
3. A2 - Input 2
4. Y2 - Output 2
5. GND - Ground
6. Y3 - Output 3
7. A3 - Input 3
8. Y4 - Output 4
9. A4 - Input 4
10. VCC - Supply Voltage
11. OE - Output Enable
12. Y5 - Output 5
13. A5 - Input 5
14. Y6 - Output 6
15. A6 - Input 6
16. Y7 - Output 7
17. A7 - Input 7
18. Y8 - Output 8
19. A8 - Input 8
20. GND - Ground

Functional Features

The SN74AHC244DGVR offers the following functional features:

• High-Speed Operation: The IC is capable of operating at high clock frequencies, making it suitable for applications that require fast data transfer.
• Low-Power Consumption: It is designed to consume minimal power, making it energy-efficient and suitable for battery-powered devices.
• Non-Inverting Outputs: The IC reproduces the input signal at the output without any inversion, ensuring accurate signal transmission.

Advantages and Disadvantages

Advantages: - High-speed operation allows for fast data transfer. - Low-power consumption makes it suitable for energy-efficient designs. - Non-inverting outputs ensure accurate signal transmission.

Disadvantages: - Limited number of inputs and outputs (8 in total). - Requires external components for voltage level shifting between different voltage domains.

Working Principles

The SN74AHC244DGVR operates based on the principles of digital logic. It uses a combination of transistors and logic gates to buffer and drive signals between different voltage domains. When an input signal is applied to one of the input pins, the IC amplifies and reproduces the signal at the corresponding output pin. The non-inverting nature of the outputs ensures that the input signal is faithfully reproduced without any inversion.

Detailed Application Field Plans

The SN74AHC244DGVR can be used in various applications, including but not limited to:

1. Microcontroller Interfacing: It can be used to interface microcontrollers with other digital devices operating at different voltage levels.
2. Level Shifting: The IC can be employed to shift logic levels between different voltage domains, enabling communication between incompatible systems.
3. Signal Amplification: It can amplify weak signals to ensure reliable transmission over long distances.
4. Bus Driving: The IC can drive signals on buses, such as address or data buses, in digital systems.

Detailed and Complete Alternative Models

1. SN74AHC244D - Similar to SN74AHC244DGVR, but available in a different package (SOIC-20W).
2. SN74AHCT244 - A similar IC with TTL-compatible inputs and outputs.
3. SN74LVC244A - Another alternative with lower voltage operation (1.65V to 5.5V) and higher speed.

These alternative models offer similar functionality and can be used as substitutes for the SN74AHC244DGVR depending on specific requirements.

In conclusion, the SN74AHC244DGVR is a high-speed, low-power buffer/line driver IC that allows for logic level shifting between different voltage domains. Its non-inverting outputs, along with other functional features, make it suitable for various applications in digital systems.