74LV245PW,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter/Transceiver
• Characteristics: Bidirectional voltage level translation, 3-state outputs, wide operating voltage range
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 30MHz
• Number of Channels: 8
• Logic Family: LV (Low Voltage)

Detailed Pin Configuration

The 74LV245PW,112 has a total of 20 pins. The pin configuration is as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| OE# A2 |3 18| I/O1B B2 |4 17| I/O2B A3 |5 16| I/O3B B3 |6 15| I/O4B A4 |7 14| I/O5B B4 |8 13| I/O6B GND |9 12| I/O7B OE |10 11| I/O8B ----------

Functional Features

• Bidirectional voltage level translation: Allows for seamless communication between devices operating at different voltage levels.
• 3-state outputs: Provides the ability to disconnect the output from the bus, allowing multiple devices to share the same bus without interference.
• Wide operating voltage range: Supports a wide range of input and output voltage levels, making it versatile for various applications.

Advantages and Disadvantages

Advantages: - Efficient voltage level translation between different logic families. - 3-state outputs enable bus sharing and reduce power consumption. - Wide operating voltage range allows compatibility with various systems.

Disadvantages: - Limited maximum operating frequency compared to some other level shifters. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LV245PW,112 is a bidirectional level shifter/transceiver. It uses a combination of MOSFETs and control logic to translate signals between different voltage levels. The direction of signal flow is controlled by the OE (Output Enable) pin. When OE is low, the device is in the active state, allowing bidirectional communication. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the bus.

Detailed Application Field Plans

The 74LV245PW,112 is commonly used in various electronic systems where voltage level translation is required. Some typical application fields include: - Communication interfaces between microcontrollers and peripheral devices operating at different voltage levels. - Interfacing between different logic families, such as TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor). - Bus sharing in multi-master systems, where multiple devices need to communicate over a shared bus.

Detailed and Complete Alternative Models

• SN74LV245APWR: Similar functionality and specifications, available in a smaller TSSOP package.
• 74HCT245: Compatible with TTL logic levels, suitable for interfacing with older TTL-based systems.
• TXB0108PWR: Bi-directional level shifter with automatic direction sensing, suitable for I2C and SPI communication.

(Note: The above alternative models are provided as examples and may not cover all available options.)

This entry provides an overview of the 74LV245PW,112 integrated circuit. It includes information on its basic characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.