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Name: SN74HCT245PWR
Brand: Texas Instruments
SKU: SN74HCT245PWR
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 SN74HCT245PWR

Part No.:: SN74HCT245PWR

Manufacturer:: Texas Instruments

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

Datasheet:: SN74HCT245PWR.pdf

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

In Stock:: 52699

Quantity:: Add To Cart

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SN74HCT245PWR Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HCT
ProductStatus:
Active
LogicType:
Transceiver, Non-Inverting
NumberofElements:
1
NumberofBitsperElement:
8
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
6mA, 6mA
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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SN74HCT245PWR information

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SN74HCT245PWR Typical application Circuitry

SN74HCT245PWR

An integrated circuit, more precisely an octal bus transceiver with 3-state outputs, is the SN74HCT245PWR. In digital systems, this kind of chip is frequently utilized to provide bidirectional data bus connection. Here's a detailed exploration of its functionality, applications, key parameters, and an example of a specific application circuit.

Functionality of SN74HCT245PWR:

- SN74HCT245PWR operates as a bidirectional transceiver.

- It's designed to transmit data from either bus A to bus B or vice versa, depending on the direction control input.

- The chip features 3-state outputs, allowing for connection to a data bus without affecting the bus when disabled.

Application Scenarios:

- The SN74HCT245PWR is widely used in microcontroller systems for interfacing different logic levels or bidirectional data flow control.

- It's also applicable in memory interfacing, data exchange between different systems, and in expanding the width of data buses in microprocessor systems.

Key Parameters:

- Voltage Range: Typically operates between 4.5V and 5.5V.

- Current Rating: It can drive loads with considerable current, suitable for most digital interfaces.

- Speed: The SN74HCT245PWR offers fast propagation delays and transition times, making it suitable for high-speed data transmission.

Data Bus Interface for Microcontrollers as an Example Application Circuit:

1. Pin 1 Direction Control: Attach to one of the microcontroller's control outputs. The direction of data flow is determined by this pin.

2. Output Enable (Pin 19): Connect to another control output of the microcontroller. This pin enables or disables the outputs.

3. Data Pins (Pins 2-9, 18-11): Connect pins 2-9 to one part of the data bus, and 18-11 to the other part. These are the actual data transmission pins.

4. Vcc (Pin 20) and Ground (Pin 10): Connect to the power supply. The SN74HCT245PWR should receive a steady 5V supply.

5. Considerations:

- Ensure that the logic levels of the microcontroller and the peripheral devices match the levels of the SN74HCT245PWR.

- Pay attention to the maximum current rating to avoid damage.

- Use pull-up or pull-down resistors on the control lines to ensure a defined state on power-up.

Design Considerations:

- Matching Logic Levels: Ensure compatibility between the logic levels of the SN74HCT245PWR and other components in the circuit.

- Power Supply Stability: A stable 5V supply is crucial for consistent performance.

- Heat Dissipation: In high-speed or high-current applications, consider heat dissipation for the SN74HCT245PWR.

- Signal Integrity: Reduce noise and make sure signals are terminated correctly for dependable data transfer.

In conclusion, the SN74HCT245PWR is a flexible part for digital electronics that works well for data transport and interface applications. It is an essential component of many microcontroller-based systems due to its 3-state outputs and bidirectional capabilities. Signal integrity, power stability, and logic level compatibility are critical considerations when building circuits with this device.

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6. What is the process for return or replacement of SN74HCT245PWR?

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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 SN74HCT245PWR.

(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