SN74HC245NSR

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SN74HC245NSR

IC TXRX NON-INVERT 6V 20SO

  • Производитель
  • Мфр. Часть #SN74HC245NSR
  • Пакет SOIC-20
  • Лист данных
  • В наличии3798

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Спецификации

Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Transceiver, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.209, 5.30mm Width)

Обзор

Description

The SN74HC245NSR is an octal bus transceiver with 3-state outputs, designed for high-speed data transfer between devices in digital circuits. It operates on a wide voltage range of 2V to 6V, making it compatible with various logic families. The device features two independent 8-bit data paths, allowing for bidirectional data flow, which is essential in communication applications.
The SN74HC245 includes control pins to enable or disable the outputs, ensuring that data can be managed effectively. It is particularly useful in applications requiring level shifting and buffering, such as interfacing between different voltage systems or connecting microcontrollers to peripherals.
With a propagation delay of around 5-15 ns, it supports fast data rates, suitable for applications like bus systems and data communication. The SN74HC245 is available in a variety of package types, including SOIC and TSSOP, allowing for flexibility in design. Overall, the SN74HC245NSR is an efficient and reliable component for digital signal management in electronic designs.

Features

The SN74HC245NSR is an octal bus transceiver with 3-state outputs, designed for high-speed operation in a variety of applications. Key features include:
1. 8-Bit Data Transmission: Capable of transmitting data in both directions, facilitating communication between two buses.
2. High-Speed Operation: Typical propagation delays of 6 ns, suitable for 3.3V or 5V systems.
3. 3-State Outputs: Outputs can be enabled or disabled, allowing for bus-sharing capabilities without conflicts.
4. Wide Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
5. Low Power Consumption: Designed with low static and dynamic power consumption, ideal for battery-operated devices.
6. TTL-Compatible Inputs/Outputs: Compatible with TTL logic levels, ensuring seamless integration with other logic families.
7. Heat Dissipation: Available in small form factors like SOIC and TSSOP for space-constrained designs.
These features make the SN74HC245NSR a popular choice for data transfer applications in digital circuits.

Package

The SN74HC245NSR is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

The SN74HC245NSR is an octal bus transceiver with 24 pins. It is designed for bidirectional data buffering and can interface between different voltage levels. The main functions include:
1. Data Direction Control: It has a direction control (DIR) pin that determines the data flow direction (A to B or B to A).
2. Data Input/Output: It has two sets of data pins: A0-A7 for input and B0-B7 for output.
3. Enable Pins: The device features an enable pin (OE) that allows the transceiver to be activated or deactivated.
4. Power Supply: It operates on a wide voltage range (2V to 6V), making it versatile for various applications.
Overall, the SN74HC245 is useful in applications requiring high-speed data transmission and level shifting between devices.

Manufacturer

The SN74HC245NSR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits for a wide range of applications, including analog electronics, digital signal processing, and embedded systems. The company is well-known for its innovation in the field of electronics and has a strong presence in both consumer and industrial markets. TI's products are utilized in diverse sectors such as automotive, communications, and computing, making it a key player in the global semiconductor industry.

Application

The SN74HC245NSR is a high-speed CMOS octal bus transceiver used for data communication between different logic levels in microcontroller and digital circuit applications. It is commonly employed in computer systems, data acquisition systems, and communication interfaces, facilitating bidirectional data transfer. Additionally, it is useful in situations requiring signal buffering, level shifting, and driving multiple loads in automotive and industrial automation applications.

Equivalent

Equivalent products to the SN74HC245NSR include the 74HCT245, 74LS245, and 74HC244. These chips serve similar functions as octal bus transceivers, but may differ in voltage levels, speed, and power consumption. Always verify specifications for compatibility in your specific application.

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