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Texas Instruments SN74HC245PWR

Part No.:: SN74HC245PWR

Manufacturer:: Texas Instruments

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: SN74HC245PWR.pdf

Description:: IC TXRX NON-INVERT 6V 20TSSOP

In Stock:: 24709

Quantity:: Add To Cart

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SN74HC245PWR Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HC
ProductStatus:
Active
LogicType:
Transceiver, Non-Inverting
NumberofElements:
1
NumberofBitsperElement:
8
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
7.8mA, 7.8mA
Voltage-Supply:
2V ~ 6V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

SN74HC245PWR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74HC245PWR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for SN74HC245PWR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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SN74HC245PWR information

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SN74HC245PWR Typical application Circuitry

SN74HC245PWR

The SN74HC245PWR is a semiconductor chip with a specific function, application scenarios, and parameter characteristics. It belongs to the SN74HC series of integrated circuits, which are commonly used for signal level translation and buffering. This chip is particularly known as an Octal Bus Transceiver with 3-State Outputs. Below, I will provide detailed information about its functionality, applications, parameter characteristics, and a specific circuit connection, considering the key term "SN74HC245PWR."

Functionality:

The SN74HC245PWR serves as an Octal Bus Transceiver, which means it can handle the bidirectional transfer of data between two buses. It features 8 input/output pins (A1-A8 and B1-B8) that allow data to flow bidirectionally, controlled by the direction pin (DIR) and enable pin (OE).

Applications:

This chip is commonly used in various digital electronics applications where data transfer between two buses with different voltage levels is required. Some key applications include:

1. Level shifting in mixed-voltage systems.

2. Data bus interfacing between microcontrollers and external devices.

3. Buffering signals in memory and I/O expansion modules.

Parameter Characteristics:

Key parameter characteristics of the SN74HC245PWR include:

- Supply Voltage: Typically operates at 2.0V to 6.0V.

- High-Speed Operation: Capable of handling fast data transfers.

- 3-State Outputs: Allows the outputs to be in a high-impedance state when not enabled.

- ESD Protection: Provides Electrostatic Discharge protection for robust performance.

Circuit Connection - Bidirectional Level Shifter:

Let's consider a specific application: bidirectional level shifting between a 3.3V microcontroller and a 5V external device using the SN74HC245PWR.

Connection Details:

1. Connect the A1-A8 pins to the 3.3V microcontroller's data bus.

2. Connect the B1-B8 pins to the 5V external device's data bus.

3. Connect the DIR pin to the microcontroller's GPIO pin to control the data direction (e.g., GPIO1).

4. Connect the OE pin to another GPIO pin for output enable control (e.g., GPIO2).

Operation:

- When the DIR pin is set to LOW (0), data flows from A to B (3.3V to 5V).

- When the DIR pin is set to HIGH (1), data flows from B to A (5V to 3.3V).

- To enable data transfer, set the OE pin LOW (0); to disable, set it HIGH (1).

Design Considerations:

When designing a circuit using the SN74HC245PWR, consider the following:

1. Voltage Compatibility: Ensure that the voltage levels of the connected devices are compatible with the chip's operating range.

2. Signal Direction Control: Properly configure the DIR pin to control the data flow direction.

3. Output Enable: Manage the OE pin to enable or disable data transfer as needed.

4. Signal Integrity: Pay attention to signal integrity and noise immunity, especially in high-speed applications.

In conclusion, the SN74HC245PWR is a versatile chip used for bidirectional level shifting and data bus interfacing in digital electronics. Its parameter characteristics make it suitable for a wide range of applications, and careful consideration of circuit design is essential for successful implementation.

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6. What is the process for return or replacement of SN74HC245PWR?

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(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 SN74HC245PWR.

(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