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Name: 74HCT245D,652
Brand: NXP Semiconductors
SKU: 74HCT245D,652
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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NXP Semiconductors 74HCT245D,652

Part No.:: 74HCT245D,652

Manufacturer:: NXP Semiconductors

Package:: -

Datasheet:: 74HCT245D,652.pdf

Description:: NEXPERIA 74HCT245D - BUS TRANSCE

In Stock:: 2701

Quantity:: Add To Cart

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74HCT245D,652 Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
LogicType:
-
NumberofElements:
-
NumberofBitsperElement:
-
InputType:
-
OutputType:
-
Current-OutputHighLow:
-
Voltage-Supply:
-
OperatingTemperature:
-
MountingType:
-

74HCT245D,652 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HCT245D,652 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 74HCT245D,652 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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74HCT245D,652 information

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74HCT245D,652 Typical application Circuitry

74HCT245D,652

An octal bus transceiver with 3-state outputs, the 74HCT245D,652 is an integrated circuit from the 74HCT (High-Speed CMOS, TTL compatible) series. This IC is specifically designed to facilitate bidirectional communication between data buses, with the capability to handle both high-speed operation and interfacing between different logic levels due to its TTL compatibility.

Application Scenarios:

The 74HCT245D,652 is particularly useful in systems where data needs to be transferred between components operating at different logic levels, such as interfacing a 5V microcontroller with 3.3V peripherals. It's also used in data exchange between two different subsystems within larger electronic systems, ensuring smooth and efficient data flow while maintaining signal integrity.

Parameter Features:

Operating with a supply voltage range of 4.5V to 5.5V, the 74HCT245D,652 is designed for TTL logic level compatibility. It features eight bidirectional data lines (D0 to D7), a Direction control (DIR) pin for setting the data flow direction, and an Output Enable (OE) pin for disabling the outputs, putting them in a high-impedance state. This design allows for versatile control over data transmission and isolation of data buses when necessary.

Specifications of the Circuit Connection:

- Power Supply and Grounding: Attach the 74HCT245D,652's GND pin to the system's ground and its VCC pin to a 5V power source. This guarantees that, for best performance, the integrated circuit runs within its designated voltage range.

- Directional Control: The transceiver's DIR pin controls which way data flows. Connect DIR to a GPIO pin on your microcontroller to dynamically control whether the 74HCT245D,652 is sending or receiving data.

- Output Enable: Connect the OE pin to another GPIO pin on the microcontroller. Driving this pin low enables the transceiver's outputs; driving it high places the outputs in a high-impedance state, effectively disconnecting the 74HCT245D,652 from the data bus.

- Data Lines Connection: Connect the A side pins (A0-A7) to the microcontroller's data bus and the B side pins (B0-B7) to the peripheral device's data bus. These connections facilitate bidirectional data transfer, with the direction controlled by the state of the DIR pin.

- Decoupling Capacitor: Place a decoupling capacitor (typically 100nF) close to the VCC and GND pins to minimize voltage spikes and noise on the power supply line, ensuring stable operation of the 74HCT245D,652.

Design Considerations:

1. Logic Level Compatibility: Ensure that the devices connected to both the A and B sides of the 74HCT245D,652 are compatible with TTL logic levels to ensure reliable data transfer.

2. Avoiding Bus Contention: Properly manage the OE and DIR pins to prevent bus contention. Ensure that only one device drives a set of data lines at any given time.

3. Signal Integrity: Consider the impact of long data lines on signal integrity, especially in high-speed applications. Use controlled impedance traces and proper termination techniques if necessary.

4. Thermal Considerations: While the 74HCT245D,652 typically does not generate significant heat, it's crucial to consider thermal management in densely populated PCBs or in environments with limited airflow.

Incorporating the 74HCT245D,652 into your design, following these guidelines, allows for efficient and reliable bidirectional data communication between different components or systems within your electronic project, enhancing its versatility and compatibility across various logic levels.

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6. What is the process for return or replacement of 74HCT245D,652?

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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 74HCT245D,652.

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