SN74LVC8T245DGVR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifting and Voltage Translation
• Characteristics: 8-bit bidirectional voltage-level translator with automatic direction sensing
• Package: VSSOP (Very Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The SN74LVC8T245DGVR has a total of 20 pins arranged as follows:

___________ | | 1 | 20 | VCC 2 | 19 | OE# 3 | 18 | A1 4 | 17 | B1 5 | 16 | A2 6 | 15 | B2 7 | 14 | GND 8 | 13 | B3 9 | 12 | A3 10 | 11 | B4 |___________|

Functional Features

• Bidirectional voltage-level translation between two independent voltage domains
• Automatic direction sensing eliminates the need for direction control signals
• Supports mixed-mode signal operation on all ports
• Low power consumption and high-speed operation
• 5V tolerant inputs for interfacing with different logic families

Advantages

• Simplifies level shifting in electronic circuits
• Eliminates the need for additional components or complex circuitry
• Provides bidirectional translation without the need for direction control signals
• Supports a wide range of supply voltages
• Offers high-speed operation and low power consumption

Disadvantages

• Limited to 8-bit translation, may not be suitable for larger data buses
• May not support very high-frequency applications beyond 100MHz
• Requires careful consideration of voltage levels and compatibility with other devices in the circuit

Working Principles

The SN74LVC8T245DGVR operates by automatically sensing the direction of the data flow and translating the voltage levels accordingly. It uses a combination of MOSFETs and CMOS technology to achieve bidirectional voltage-level translation. The device is designed to minimize power consumption while providing fast and reliable signal translation.

Detailed Application Field Plans

The SN74LVC8T245DGVR is commonly used in various electronic systems where there is a need to interface between different voltage domains. Some typical application fields include: - Microcontroller and peripheral communication - Memory interfaces - Industrial automation systems - Communication equipment - Automotive electronics

Detailed and Complete Alternative Models

• TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing
• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
• SN74AVC4T774: 4-bit dual-supply bus transceiver with configurable voltage-level translation

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVC8T245DGVR depending on specific requirements and design constraints.

In conclusion, the SN74LVC8T245DGVR is an 8-bit bidirectional voltage-level translator that simplifies level shifting in electronic circuits. It offers automatic direction sensing, supports a wide range of supply voltages, and provides high-speed operation with low power consumption. Its applications span across various fields, and alternative models are available for different design needs.