SN74AHCT245PWRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74AHCT245PWRG4 is a high-speed octal bus transceiver that is designed to provide bidirectional voltage level translation between different logic levels. It can be used in various digital systems where data needs to be transferred between devices operating at different voltage levels.

Characteristics: - High-speed operation - Bidirectional voltage level translation - 8-bit wide data path - Low power consumption - Wide operating voltage range - ESD protection on all inputs and outputs

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74AHCT245PWRG4 is an essential component in digital systems that require reliable and efficient voltage level translation.

Packaging/Quantity: The SN74AHCT245PWRG4 is typically available in reels of 2500 pieces.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (max)
• Output Current: ±8 mA

Pin Configuration

The SN74AHCT245PWRG4 has a total of 20 pins, which are arranged as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| B2 A2 |3 18| A3 B3 |4 17| B4 A4 |5 16| A5 B5 |6 15| B6 A6 |7 14| A7 B7 |8 13| B8 GND |9 12| OE# DIR |10 11| GND ----------

Functional Features

• Bidirectional data transfer: The SN74AHCT245PWRG4 allows data to be transferred bidirectionally between two buses with different voltage levels.
• Voltage level translation: It provides seamless voltage level translation, ensuring compatibility between devices operating at different logic levels.
• High-speed operation: The IC is designed for high-speed data transmission, making it suitable for applications that require fast data transfer.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems. - ESD protection on all inputs and outputs ensures robustness against electrostatic discharge. - Low power consumption helps in reducing overall system power requirements.

Disadvantages: - Propagation delay time may limit the maximum achievable data transfer rate. - Limited output current may restrict its use in certain high-current applications.

Working Principles

The SN74AHCT245PWRG4 operates by using a combination of CMOS and TTL logic. It employs a direction control signal (DIR) to determine the direction of data flow. When DIR is low, data is transferred from the A bus to the B bus, and when DIR is high, data is transferred from the B bus to the A bus. The OE# (Output Enable) pin is used to enable or disable the outputs.

Detailed Application Field Plans

The SN74AHCT245PWRG4 can be used in various applications, including but not limited to: 1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels. 2. Communication systems: The IC can facilitate voltage level translation in communication systems where data needs to be transferred between different devices. 3. Industrial automation: It can be employed in industrial automation systems for bidirectional data transfer between different logic levels.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74AHCT245PWRG4 include: - 74HC245: This is a popular alternative from the 74HC series, offering similar features and performance. - CD74HCT245: Another alternative from the CD74HCT series, providing bidirectional voltage level translation.

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

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