SN74ALVC244RGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, voltage level translation
• Package: 20-pin VQFN package
• Essence: Non-inverting buffer with 3-state outputs
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Propagation Delay: 2.5 ns (typical)
• Output Drive Capability: ±24 mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74ALVC244RGYR has a total of 20 pins, which are arranged as follows:

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

Functional Features

• Non-inverting buffer with 3-state outputs
• High-speed operation suitable for various applications
• Low power consumption for energy efficiency
• Voltage level translation capability for interfacing different logic families
• 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption extends battery life in portable devices - Voltage level translation facilitates compatibility between different logic families - 3-state outputs provide flexibility in bus sharing scenarios

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Requires careful consideration of voltage levels to prevent damage or incorrect operation

Working Principles

The SN74ALVC244RGYR is a non-inverting buffer with 3-state outputs. It operates by receiving input signals on the A1-A8 pins and providing corresponding buffered outputs on the Y1-Y8 pins. The OE (Output Enable) pin controls the output state, allowing the device to be enabled or disabled.

When the OE pin is low (logic 0), the outputs are active and reflect the input signals. When the OE pin is high (logic 1), the outputs enter a high-impedance state, effectively disconnecting them from the circuit.

The device operates within a specified supply voltage range and provides voltage level translation between different logic families, making it suitable for various applications.

Detailed Application Field Plans

The SN74ALVC244RGYR can be used in a wide range of applications, including:

1. Microprocessor/Controller Interfacing: The buffer can be used to interface microprocessors or controllers with other peripheral devices, ensuring proper signal levels and data integrity.
2. Memory Systems: It can be employed in memory systems to amplify and buffer address and data signals, enabling reliable communication between the memory modules and the controller.
3. Communication Interfaces: The device can be utilized in communication interfaces, such as UART (Universal Asynchronous Receiver-Transmitter) or SPI (Serial Peripheral Interface), to ensure proper signal transmission and reception.
4. Bus Sharing: The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication between different components in a system.

Detailed and Complete Alternative Models

1. SN74ALVC244PW - 20-pin TSSOP package
2. SN74ALVC244DGV - 20-pin TVSOP package
3. SN74ALVC244PWRG4 - 20-pin TSSOP package (reel packaging)
4. SN74ALVC244DGVRG4 - 20-pin TVSOP package (reel packaging)

These alternative models offer similar functionality and characteristics to the SN74ALVC244RGYR, providing options for different package preferences or quantity requirements.

In conclusion, the SN74ALVC244RGYR is a high-speed, low-power buffer with voltage level translation capability. Its non-inverting nature and 3-state outputs make it suitable for various applications, including microprocessor interfacing, memory