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Name: SN74ACT245DW
Brand: Texas Instruments
SKU: SN74ACT245DW
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 SN74ACT245DW

Part No.:: SN74ACT245DW

Manufacturer:: Texas Instruments

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

Datasheet:: SN74ACT245DW.pdf

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

In Stock:: 3515

Quantity:: Add To Cart

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SN74ACT245DW Specifications

Package/Case:
20-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
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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SN74ACT245DW information

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SN74ACT245DW Typical application Circuitry

SN74ACT245DW

An integrated circuit with 3-state outputs that is referred to be an octal bus transceiver is the SN74ACT245DW. It is intended for data bus asynchronous communication. The key features and applications of this chip, along with a detailed application scenario, are discussed below.

1. Functionality: The SN74ACT245DW serves as a bidirectional transceiver, capable of transferring data from one bus to another. It's commonly used in situations where data needs to be sent or received, making it ideal for data communication applications.

2. Application Scenarios: One common application is in microcontroller-based systems, where it facilitates communication between the microcontroller and other peripherals or memory devices. It's particularly useful in systems that require high-speed data transfer and interface logic conversions.

3. Parameter Features: This chip operates within a voltage range of 4.5 V to 5.5 V, making it suitable for TTL (Transistor-Transistor Logic) environments. It has a wide operating temperature range and supports both 8-bit bidirectional data flow and 3-state outputs, which prevents bus conflict.

4. Circuit Connection for a Specific Application:

- Microcontroller Interface:

- Data Lines (Pins 2-9 and 18-25): Connect these pins to the data bus of the microcontroller for bidirectional data flow.

- Direction Control (Pin 1): Connect to a control output of the microcontroller. A high signal enables the bus to transmit data from the microcontroller, while a low signal allows for receiving data.

- Output Enable (Pin 19): This should be connected to another control output of the microcontroller. A low signal enables the outputs, while a high signal puts them in a high-impedance state.

- Power Supply (Vcc Pin 20 and GND Pin 10): Connect Vcc to +5V and GND to the system ground.

- Programming Pins: For programming, ensure that pins related to data, direction control, and output enable are accessible for the programmer or debugging interface.

5. Design Considerations:

- Ensure that the power supply is stable and within the specified range.

- Decoupling capacitors should be used near the power supply pins to stabilize voltage and reduce noise.

- Consider the speed of data transfer and ensure that the microcontroller and other connected devices can operate at compatible speeds.

In summary, the SN74ACT245DW is a versatile component suitable for interfacing and data transfer applications in microcontroller systems. Proper consideration of power supply, data transfer rates, and signal integrity is crucial in designing circuits with this chip.

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6. What is the process for return or replacement of SN74ACT245DW?

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 SN74ACT245DW we delivered, we will accept the replacement or return of the SN74ACT245DW 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 SN74ACT245DW.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations