SN74LVC4245APWRE4

Product Overview

Category

The SN74LVC4245APWRE4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a bidirectional voltage-level translator and voltage-level shifter.

Characteristics

• Bidirectional voltage-level translation between different logic levels
• Wide operating voltage range: 1.65V to 5.5V
• High-speed operation: up to 100 MHz
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• ESD protection on all pins
• Available in TSSOP package

Package and Quantity

The SN74LVC4245APWRE4 is packaged in a TSSOP-20 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range (VI): GND to VCC
• Output Voltage Range (VO): GND to VCC
• Maximum Operating Frequency: 100 MHz
• Input Capacitance (C_I): 3 pF (typical)
• Output Capacitance (C_O): 6 pF (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVC4245APWRE4 has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

___________ OE |1 20| V_CC A1 |2 19| B1 A2 |3 18| B2 A3 |4 17| B3 A4 |5 16| B4 A5 |6 15| B5 GND |7 14| V_OB B5 |8 13| A5 B4 |9 12| A4 B3 |10 11| A3 ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bidirectional voltage-level translation: The SN74LVC4245APWRE4 allows for the translation of logic levels between different voltage domains, enabling communication between devices operating at different voltage levels.
• Schmitt-trigger inputs: The IC incorporates Schmitt-trigger inputs, which provide noise immunity and help in maintaining signal integrity.
• ESD protection: All pins of the IC are equipped with electrostatic discharge (ESD) protection, ensuring robustness against static electricity.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• High-speed operation enables efficient data transfer.
• Low power consumption helps in reducing overall power requirements.
• Schmitt-trigger inputs enhance noise immunity and signal integrity.
• ESD protection ensures reliability in handling.

Disadvantages

• Limited number of bidirectional channels (5 in total).
• TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVC4245APWRE4 operates by receiving input signals from one voltage domain and translating them to the corresponding logic levels of another voltage domain. It utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage-level translation.

Detailed Application Field Plans

The SN74LVC4245APWRE4 finds applications in various fields where voltage-level translation is required. Some of the common application areas include:

1. Communication interfaces: The IC can be used to interface devices operating at different voltage levels, such as UART, SPI, or I2C interfaces.
2. Mixed-voltage systems: It is suitable for systems that incorporate components with different voltage requirements, enabling seamless communication between them.
3. Battery-powered devices: The low power consumption of the IC makes it ideal for use in battery-powered devices, extending their battery life.

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the SN74LVC4245APWRE4. Some notable alternatives include:

1. TXB0108: This IC provides bidirectional voltage-level translation with 8 channels and supports a wide range of voltage levels.
2. PCA9306: It is a dual bidirectional voltage-level translator with automatic direction sensing, making it suitable for I2C applications.
3. CD4050B: This IC offers non-inverting level shifting and can handle up to 15V voltage levels.

These alternative models provide flexibility in choosing the most suitable solution based on specific application requirements.

In conclusion, the SN74LVC4245APWRE