SN74LVT244BPWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translation and Signal Amplification
• Packaging/Quantity: Tape and Reel, 2500 pieces 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: 400MHz
• Number of Channels: 8
• Output Current: ±12mA
• Propagation Delay Time: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVT244BPWG4 has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Logic Level Translation: The SN74LVT244BPWG4 is designed to translate logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Signal Amplification: It can amplify weak input signals to a higher voltage level, ensuring reliable transmission over longer distances.
• Tri-State Outputs: The tri-state outputs provide an additional control signal (OE) that allows the outputs to be disabled, effectively disconnecting them from the rest of the circuit.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - High-speed operation allows for efficient data transfer. - Tri-state outputs provide flexibility in controlling the output signals. - Small package size saves board space.

Disadvantages: - Limited output current may restrict its use in certain applications. - Propagation delay time may introduce timing issues in high-frequency circuits.

Working Principles

The SN74LVT244BPWG4 operates by receiving input signals on the A1-A8 channels. These signals are then amplified and translated to the corresponding output channels Y1-Y8. The OE pin controls the output enable/disable function, allowing the outputs to be connected or disconnected from the external circuitry.

Detailed Application Field Plans

The SN74LVT244BPWG4 finds applications in various fields, including:

1. Microcontrollers and Microprocessors: It facilitates communication between devices operating at different voltage levels, ensuring compatibility and reliable data transfer.
2. Communication Systems: It acts as a buffer and line driver, amplifying and translating signals for efficient transmission over long distances.
3. Industrial Automation: It enables interfacing between different components of automation systems, enhancing overall system performance and reliability.
4. Automotive Electronics: It assists in voltage level translation and signal amplification in automotive electronic systems, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. SN74LVC244APW: Similar to SN74LVT244BPWG4, but operates at a lower voltage range of 1.65V to 3.3V.
2. SN74LVTH244APWR: Offers higher output current capability compared to SN74LVT244BPWG4, suitable for applications requiring higher drive strength.
3. SN74LVX244PW: Provides a wider supply voltage range of 1.65V to 5.5V, making it compatible with a broader range of systems.

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