74LVT245BPW,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low Voltage, Bi-directional, Tri-state
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Input/Output Type: Tri-state
• Logic Family: LVT (Low Voltage TTL)

Detailed Pin Configuration

The 74LVT245BPW,118 IC has a total of 20 pins. The pin configuration is as follows:

Pin 1: OE (Output Enable) - Active Low Pin 2: A1 (Input/Output) Pin 3: B1 (Input/Output) Pin 4: GND (Ground) Pin 5: B2 (Input/Output) Pin 6: A2 (Input/Output) Pin 7: VCC (Supply Voltage) Pin 8: DIR (Direction Control) Pin 9: A3 (Input/Output) Pin 10: B3 (Input/Output) Pin 11: B4 (Input/Output) Pin 12: A4 (Input/Output) Pin 13: GND (Ground) Pin 14: A5 (Input/Output) Pin 15: B5 (Input/Output) Pin 16: VCC (Supply Voltage) Pin 17: B6 (Input/Output) Pin 18: A6 (Input/Output) Pin 19: OE (Output Enable) - Active Low Pin 20: GND (Ground)

Functional Features

• Bi-directional level shifting between two voltage domains.
• Tri-state outputs allow multiple devices to share a common bus.
• Output enable control for disabling the outputs when not in use.
• Supports bidirectional communication between different logic families.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation up to 200MHz enables efficient data transfer. - Tri-state outputs provide flexibility in bus sharing applications. - Low power consumption makes it suitable for battery-powered devices.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems. - Requires careful consideration of voltage levels to prevent signal distortion. - Sensitive to electrostatic discharge (ESD), necessitating proper handling precautions.

Working Principles

The 74LVT245BPW,118 is a bidirectional level shifter and bus transceiver. It translates signals between two voltage domains, allowing communication between devices operating at different logic levels. The direction of data flow is controlled by the DIR pin. When DIR is high, data flows from pins A1-A6 to B1-B6, and when DIR is low, data flows in the opposite direction. The OE pin is used to enable or disable the outputs. When OE is low, the outputs are active, and when OE is high, the outputs are in a high-impedance state.

Detailed Application Field Plans

The 74LVT245BPW,118 is commonly used in various applications, including: - Interfacing between microcontrollers and peripherals operating at different voltage levels. - Level shifting in mixed-voltage systems, such as automotive electronics. - Bus transceivers in communication protocols like I2C, SPI, and UART. - Buffering and signal translation in industrial automation systems.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74LVT245BPW,118 are: - SN74LVC245A: Similar functionality with a different package (SOIC). - 74HCT245: Compatible with higher voltage levels (up to 5.5V). - TXB0108: Bi-directional level shifter with automatic direction sensing.

Note: The above alternatives may have different specifications and pin configurations. It is important to refer to their respective datasheets for detailed information.

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