SN74LVT244BRGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, Low-Voltage, Tri-State
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translation
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage Levels: 0V to Vcc
• Output Voltage Levels: 0V to Vcc
• Propagation Delay Time: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVT244BRGYR has a total of 20 pins, which are assigned 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: Supply Voltage
16. Y7: Output Y7
17. A7: Input A7
18. Y8: Output Y8
19. A8: Input A8
20. GND: Ground

Functional Features

• Provides eight non-inverting buffers with tri-state outputs
• Allows bidirectional voltage-level translation between different logic families
• Supports high-speed data transmission
• Features low power consumption
• Offers ESD (Electrostatic Discharge) protection

Advantages and Disadvantages

Advantages: - Enables seamless interfacing between devices operating at different voltage levels - High-speed operation allows for efficient data transfer - Tri-state outputs provide flexibility in controlling the output state - Low power consumption helps conserve energy - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited to a maximum supply voltage of 3.6V - Propagation delay may affect timing-sensitive applications - Requires careful consideration of input and output voltage levels to prevent signal distortion

Working Principles

The SN74LVT244BRGYR is designed to perform logic level translation, allowing signals to be safely transferred between devices operating at different voltage levels. It consists of eight non-inverting buffers with tri-state outputs.

When the Output Enable (OE) pin is set to a logic high level, the outputs are enabled and reflect the input signals. Conversely, when OE is set to a logic low level, the outputs are disabled and enter a high-impedance state, effectively disconnecting them from the rest of the circuit.

The IC operates within a specified supply voltage range and provides ESD protection to ensure reliable performance in various environments.

Detailed Application Field Plans

The SN74LVT244BRGYR finds applications in various fields, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Level shifting: It facilitates voltage translation between different logic families, such as TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor).
3. Data transmission: It can be used in systems requiring high-speed data transfer, such as communication protocols and memory interfaces.
4. Bus buffering: It helps in isolating and buffering signals on data buses, ensuring proper signal integrity.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar to SN74LVT244BRGYR but operates at a lower voltage range (1.65V to 3.6V).
2. SN74LVTH244A: Offers similar functionality with added features like hot insertion capability and bus hold.

These alternative models provide options for different voltage requirements and additional features based on specific application needs.

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