PI74FCT162245ATA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, bidirectional voltage translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2.3V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 16
• Input/Output Type: Tri-State
• Propagation Delay: 4.5ns (typical)

Detailed Pin Configuration

The PI74FCT162245ATA has a total of 48 pins, which are organized as follows:

• Pins 1 to 8: Channel A Data Inputs/Outputs (D0-D7)
• Pins 9 to 16: Channel B Data Inputs/Outputs (D8-D15)
• Pins 17 to 24: Channel A Enable Inputs (G1-G8)
• Pins 25 to 32: Channel B Enable Inputs (G9-G16)
• Pins 33 to 40: Channel A Output Enable Inputs (OE1-OE8)
• Pins 41 to 48: Channel B Output Enable Inputs (OE9-OE16)

Functional Features

• Bidirectional voltage translation between two voltage domains
• Supports level shifting between 2.3V and 5.5V logic levels
• Provides high-speed data transmission up to 200MHz
• Tri-state outputs allow for easy bus sharing
• Low power consumption

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems - High-speed operation enables efficient data transfer - Tri-state outputs facilitate bus sharing in multi-device applications

Disadvantages: - Limited to 16 channels, may not be suitable for larger-scale systems - Propagation delay of 4.5ns may introduce timing issues in certain applications

Working Principles

The PI74FCT162245ATA is a bidirectional voltage translator that allows for seamless communication between two logic voltage domains. It utilizes a combination of level shifting circuitry and tri-state buffers to achieve this functionality. When the enable inputs (G1-G16) are activated, the device translates the signals from one voltage domain to the other, ensuring proper signal integrity and compatibility.

Detailed Application Field Plans

The PI74FCT162245ATA can be used in various applications where voltage translation is required. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Mixed-voltage systems: It can be employed in systems where different components operate at different logic levels, allowing seamless integration.
3. Communication interfaces: The device can be utilized in communication interfaces such as UART, SPI, or I2C, where voltage translation is necessary.

Detailed and Complete Alternative Models

1. SN74LVCH16245A: Similar bidirectional voltage translator with 16 channels, operates at a lower supply voltage range of 1.65V to 3.6V.
2. TXB0108: Octal bidirectional voltage-level translator with 8 channels, supports voltage translation between 1.2V and 3.6V logic levels.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator, specifically designed for I2C applications.

(Note: These alternative models are provided for reference purposes and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.)

In conclusion, the PI74FCT162245ATA is a high-speed, bidirectional voltage translator IC that enables seamless communication between different logic voltage domains. With its versatile applications and compatibility with various systems, it serves as an essential component in numerous electronic designs.

Word Count: 550