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TC74VHC245FT

Name: TC74VHC245FT
Rating: 4.7 (12 reviews)

Bus Transceivers Octal BUS Transceiver

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資料表 TC74VHC245FT DataSheet
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規格

Standard Pack Qty

2000

概述

Description

The TC74VHC245FT is an 8-bit, high-speed, low-power, bidirectional transceiver designed for data communication between buses. It operates at a voltage range of 2V to 5.5V and conforms to the VHC logic family specifications, allowing it to interface with both TTL and CMOS devices. The device features separate data direction control, enabling seamless data transmission on both sides of the bus.
It includes an active low output enable (OE) pin, which allows the user to control when data is transmitted, minimizing power consumption when not in use. The TC74VHC245FT is characterized by its fast response times, making it suitable for high-speed applications, and it supports a wide range of operating temperatures.
Typical applications include microcontroller interfacing, data buffering, and signal level shifting in communication systems. Its compact SOIC-20 package makes it suitable for space-constrained designs. Overall, the TC74VHC245FT is an essential component for efficient data handling in digital circuits.

Features

The TC74VHC245FT is an octal transceiver designed for high-speed data communication between devices. Key features include:
1. High-Speed Operation: It operates at a maximum speed of 5 V with propagation delay as low as 3 ns, making it suitable for high-performance applications.
2. Voltage Compatibility: This device supports a wide range of supply voltages (2.0 V to 5.5 V), allowing it to interface with various logic families.
3. Bus Direction Control: The transceiver includes a direction control pin, enabling data flow direction selection between A and B ports.
4. Tri-State Outputs: It features high-impedance outputs, allowing multiple devices to connect to the same bus without interfering.
5. Low Power Consumption: The TC74VHC245FT is designed for low power operation, contributing to overall system efficiency.
6. Compact Package: It comes in an SOIC-20 package, ideal for space-constrained applications.
These features make the TC74VHC245FT suitable for data buffering, level shifting, and interfacing in digital circuits.

Package

The TC74VHC245FT is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The TC74VHC245FT is an octal bus transceiver with a pin count of 20. It is primarily used for bidirectional data communication between two buses. The device features a wide operating voltage range and high-speed operation, making it suitable for various digital applications.
Key functions include:
- Data Input/Output: Eight data lines for transferring data between two buses.
- Direction Control: An input pin (DIR) to control the direction of data flow.
- Enable Pins: Two enable pins (OE and A/B) to control the operation of the transceiver, allowing for tri-state outputs.
- Power Supply: It operates with a power supply range of 2.0V to 5.5V.
This device is commonly used in applications requiring data buffering and level shifting between different voltage systems in digital circuits.

Manufacturer

The TC74VHC245FT is manufactured by Toshiba, a multinational conglomerate based in Japan. Founded in 1875, Toshiba operates in various sectors, including electronics, information technology, and energy. The company is known for producing a wide range of products, including semiconductors, consumer electronics, and industrial systems. Toshiba is recognized for its innovation in technology and has a significant presence in the global market.

Application

The TC74VHC245FT is a high-speed, low-power octal transceiver used in various applications including data bus buffering, level shifting between different voltage systems, and interfacing between microcontrollers and peripheral devices. It is commonly utilized in communication systems, computer architecture, and consumer electronics for reliable data transmission and signal integrity enhancement.

Equivalent

The TC74VHC245FT is a high-speed CMOS octal bus transceiver. Equivalent products include:
1. 74VHC245
2. SN74VHC245
3. 74HC245
4. 74AHC245
These alternatives may vary in specific characteristics like voltage levels and speed, so it's essential to check the datasheets for compatibility with your application.