SN74LV244ATRGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-voltage, Octal Bus Buffer with 3-State Outputs
• Package: 20-TSSOP
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in low-voltage applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Output Type: 3-State

Detailed Pin Configuration

The SN74LV244ATRGYR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Octal buffer with 3-state outputs
• Low-voltage operation suitable for battery-powered devices
• High-speed operation up to 100MHz
• 3-state outputs allow multiple devices to share a common bus without interference
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Low-voltage operation extends battery life in portable applications - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing and reduce system complexity - Schmitt-trigger inputs provide robustness against noise

Disadvantages: - Limited number of channels (8) - May not be suitable for high-voltage applications

Working Principles

The SN74LV244ATRGYR operates as a buffer and line driver for digital signals. It takes input signals from the A1-A8 pins and amplifies them to drive the corresponding Y1-Y8 output pins. The OE pin controls the enable/disable state of the outputs. When OE is low, the outputs are active, allowing the amplified signals to pass through. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The SN74LV244ATRGYR is commonly used in various applications, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers with external devices, such as sensors, displays, and memory modules.
2. Data communication systems: It is suitable for buffering and driving signals in data communication systems, including UART, SPI, and I2C interfaces.
3. Industrial automation: The IC can be employed in industrial automation systems to buffer and drive control signals for actuators, motors, and sensors.
4. Automotive electronics: It finds application in automotive electronics for signal conditioning and level shifting tasks.
5. Consumer electronics: It is utilized in consumer electronic devices, such as smartphones, tablets, and gaming consoles, for various signal buffering requirements.

Detailed and Complete Alternative Models

1. SN74LV245A: Octal Bus Transceiver with 3-State Outputs
2. SN74LV541A: Octal Buffer/Line Driver with 3-State Outputs
3. SN74LV573A: Octal D-Type Transparent Latch with 3-State Outputs
4. SN74