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Name: SN74ACT245DWR
Brand: Texas Instruments
SKU: SN74ACT245DWR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments SN74ACT245DWR

Part No.:: SN74ACT245DWR

Manufacturer:: Texas Instruments

Package:: 20-SOIC (0.295, 7.50mm Width)

Datasheet:: SN74ACT245DWR.pdf

Description:: IC TXRX NON-INVERT 5.5V 20SOIC

In Stock:: 3803

Quantity:: Add To Cart

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SN74ACT245DWR Specifications

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

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SN74ACT245DWR information

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SN74ACT245DWR Typical application Circuitry

SN74ACT245DWR

The SN74ACT245DWR is an integrated circuit that serves as an octal bus transceiver with 3-state outputs. This chip is widely used in digital systems where bidirectional communication between data buses is needed. Let's explore its functionality, application scenarios, key parameters, and a detailed example of its application in a circuit design.

Functionality:

Bidirectional Data Transmission: The SN74ACT245DWR is capable of transmitting data bidirectionally, making it suitable for interfacing between different logic levels or data buses.

Application Scenarios:

Microcontroller Interfacing: One common use of the SN74ACT245DWR is in microcontroller systems, where it interfaces between the microcontroller and other peripherals or memory devices.

Key Parameters:

Logic Level Compatibility: The chip operates with TTL logic levels, ensuring compatibility with a variety of digital systems.

High-Speed Operation: It is designed for high-speed operation, suitable for systems requiring quick data transfer.

Circuit Implementation Example:

Interfacing with a Microcontroller:

1. Power Supply Connections: Connect VCC (Pin 20) of SN74ACT245DWR to the +5V power supply and GND (Pin 10) to the ground.

2. Direction Control: Connect the DIR (Pin 1) to a GPIO pin of the microcontroller to control the data flow direction.

3. Enable Control: Connect the OE (Output Enable, Pin 19) to another GPIO pin for enabling or disabling the outputs.

4. Data Bus Connections: Connect the data pins (A1-A8 and B1-B8) to the microcontroller and peripheral data buses.

5. Programming Interface: If programming is needed, ensure the microcontroller GPIO pins connected to DIR and OE are accessible for programming routines.

Design Considerations:

When designing a circuit with the SN74ACT245DWR, consider the following:

- Logic Level Matching: Ensure that the logic levels of the connected devices are compatible with the SN74ACT245DWR.

- Power Supply Stability: Provide a stable power supply to avoid data transmission errors.

- Heat Dissipation: If the circuit operates at high frequencies or loads, heat dissipation measures might be necessary.

By incorporating these elements, the SN74ACT245DWR can be effectively utilized in various digital systems, offering reliable and high-speed data transmission.

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6. What is the process for return or replacement of SN74ACT245DWR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74ACT245DWR we delivered, we will accept the replacement or return of the SN74ACT245DWR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SN74ACT245DWR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations