SN74HCT245PWRG4

Overview

Category: Integrated Circuit (IC)

Use: Level Shifter/Transceiver

Characteristics: - High-speed CMOS technology - 8-bit bidirectional voltage level translator - Non-inverting outputs - Wide operating voltage range: 2V to 6V - Low power consumption - Schmitt-trigger inputs for noise immunity - ESD protection exceeds 2000V HBM per JESD22-A114 and 1000V CDM per JESD22-C101

Package: TSSOP-20

Essence: The SN74HCT245PWRG4 is a versatile level shifter/transceiver IC that allows bidirectional voltage translation between different logic levels. It is commonly used in applications where interfacing between devices operating at different voltage levels is required.

Packaging/Quantity: The SN74HCT245PWRG4 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 25 MHz
• Propagation Delay Time: 13 ns (max)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74HCT245PWRG4 has a total of 20 pins arranged as follows:

___________ A1 |1 20| VCC A2 |2 19| OE# B1 |3 18| B2 B2 |4 17| A2 A3 |5 16| A1 A4 |6 15| GND A5 |7 14| B1 A6 |8 13| DIR A7 |9 12| B7 A8 |10 11| B8 ‾‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bidirectional voltage level translation: The SN74HCT245PWRG4 allows for seamless bidirectional communication between devices operating at different voltage levels.
• Non-inverting outputs: The IC ensures that the output signal maintains the same logic state as the input signal.
• Wide operating voltage range: It supports voltage translation between 2V and 6V, making it compatible with a wide range of devices.
• Schmitt-trigger inputs: These inputs provide noise immunity by ensuring stable switching even in the presence of noisy signals.
• ESD protection: The IC offers high electrostatic discharge (ESD) protection, exceeding industry standards.

Advantages and Disadvantages

Advantages: - Versatile level shifter/transceiver for bidirectional voltage translation. - Wide operating voltage range allows compatibility with various devices. - Low power consumption. - Schmitt-trigger inputs provide noise immunity. - High ESD protection.

Disadvantages: - Limited maximum operating frequency (25 MHz). - Propagation delay time may impact timing-sensitive applications.

Working Principles

The SN74HCT245PWRG4 operates by utilizing a combination of CMOS technology and level shifting circuitry. When an input signal is received, the IC translates the voltage level to match the desired output voltage level. The non-inverting outputs ensure that the output signal maintains the same logic state as the input signal. The Schmitt-trigger inputs help in reducing the impact of noise on the signal integrity.

Detailed Application Field Plans

The SN74HCT245PWRG4 finds applications in various fields, including but not limited to: - Microcontroller interfacing - Data communication systems - Industrial automation - Robotics - Sensor networks - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74HCT245PWRG4 include: - 74HC245: This IC is compatible with the SN74HCT245PWRG4 and operates at a wider voltage range (2V to 6V). - CD74HCT245E: Another level shifter/transceiver IC with similar characteristics and pin configuration. - MC74HCT245AN: A popular alternative model offering bidirectional voltage translation.

These alternative models can be considered based on specific project requirements and availability.

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