SN74ACT245DWR

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SN74ACT245DWR

IC TXRX NON-INVERT 5.5V 20SOIC

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74ACT
ProductStatus Active
LogicType Transceiver, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 24mA, 24mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

Übersicht

Description

The SN74ACT245DWR is an octal buffer/driver designed for high-speed communication between devices in digital circuits. It features low power consumption and operates at a voltage range of 4.5V to 5.5V, making it suitable for 5V systems.
This component has a tri-state output, allowing multiple devices to share the same communication lines without interference. It supports both 3-state and active output configurations, which enhances its versatility in bus-oriented applications. The device also features a wide operating temperature range, typically from -40°C to 125°C.
With a propagation delay of just a few nanoseconds, the SN74ACT245DWR is ideal for high-speed applications such as memory and microcontroller interfacing. It comes in a TSSOP package, providing a compact solution for space-constrained designs. Overall, the SN74ACT245DWR is a reliable choice for buffering and driving signals in various electronic applications.

Features

The SN74ACT245DWR is an octal bus transceiver designed for data transmission between two buses in both directions. Key features include:
1. Wide Voltage Range: Operates from 4.5V to 5.5V, compatible with TTL and CMOS levels.
2. High Speed: Designed for fast switching, with a maximum propagation delay of 8 ns.
3. Active Bus Control: Features an output enable (OE) pin for controlling the direction of data flow.
4. 3-State Outputs: Allows for bus contention; the outputs can be disabled, enabling multiple devices to share the same bus.
5. Low Power Consumption: Offers low quiescent current during operation, enhancing power efficiency.
6. Temperature Range: Suitable for operation from -40°C to 85°C, making it suitable for industrial applications.
7. Pin Configuration: Comes in a 20-pin TSSOP package, facilitating easy integration into various designs.
These features make the SN74ACT245DWR ideal for applications in data communications and interfacing between different logic families.

Package

The SN74ACT245DWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 20-pin configuration.

Pinout

The SN74ACT245DWR is an octal bidirectional transceiver designed for asynchronous communication between data buses. It features a total of 20 pins.
Pin Functions:
- 1-8 (A1-A8): Data inputs/outputs for one side of the transceiver.
- 9 (DIR): Direction control pin; determines the data flow direction.
- 10 (OE): Output enable pin; when low, allows data to pass through; when high, outputs are in high-impedance state.
- 11-18 (B1-B8): Data inputs/outputs for the opposite side of the transceiver.
- 19 (VCC): Positive power supply pin (typically +5V).
- 20 (GND): Ground pin.
This device is commonly used in applications requiring high-speed data transmission and is compatible with TTL logic levels.

Manufacturer

The SN74ACT245DWR is manufactured by Texas Instruments (TI), a prominent American technology company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its contributions to the electronics industry, particularly in analog, digital signal processing (DSP), and embedded processing technologies. TI serves a wide range of markets, including automotive, industrial, communications, consumer electronics, and computing. They are recognized for their innovation and the development of products that enhance performance and efficiency in electronic designs.

Application

The SN74ACT245DWR is a dual octal bus transceiver used in various applications, including data communication, signal buffering, and level shifting between different voltage systems. It is commonly employed in digital circuits for interfacing microcontrollers, memory devices, and peripheral components. Its ability to provide bidirectional data flow makes it suitable for computer buses, industrial automation, and telecommunication systems.

Equivalent

Equivalent products to the SN74ACT245DWR include the SN74AHCT245, SN74LVC245A, and the 74HC245. These chips serve similar functions as octal bidirectional transceivers with different voltage levels and logic families. Always check the specific characteristics and parameters to ensure compatibility for your application.

Versand

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