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Name: 74HCT245D,653
Brand: NXP USA Inc.
SKU: 74HCT245D,653
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 USA Inc. 74HCT245D,653

Part No.:: 74HCT245D,653

Manufacturer:: NXP USA Inc.

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

Datasheet:: 74HCT245D,653.pdf

Description:: IC TRANSCVR TRI-ST 8BIT 20SOIC

In Stock:: 2223

Quantity:: Add To Cart

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74HCT245D,653 Specifications

Package/Case:
20-SOIC (0.295, 7.50mm Width)
Packaging:
Bulk
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 ~ 125°C (TA)
MountingType:
Surface Mount

74HCT245D,653 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HCT245D,653 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,653 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,653 information

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74HCT245D,653 Typical application Circuitry

74HCT245D,653

The 74HCT245D,653 is a specific variant of the 74HCT245 family, which is an octal bus transceiver with 3-state outputs. It's designed to interface between two buses in a digital system, offering bidirectional data transmission with high-speed CMOS technology and TTL input level compatibility.

Application Scenarios:

A typical application of the 74HCT245D,653 is in creating a communication interface between a 5V microcontroller and a 3.3V peripheral. While the IC itself does not perform level shifting, its compatibility with TTL levels allows for interfacing components operating at different voltages, provided the logic level requirements are met.

Parameter Features:

The 74HCT245D,653 operates with a supply voltage compatible with TTL levels (4.5V to 5.5V), features eight bidirectional data lines (D0-D7), directional control (DIR), and output enable (OE) for flexible control over data flow. It provides high-speed operation with the robustness required for noisy environments and the capability to drive significant capacitive loads.

Circuit Connection Details:

- Power Supply Connection: Connect the VCC pin of the 74HCT245D,653 to a 5V source, which is compatible with TTL logic levels, and connect the GND pin to the system's ground. This ensures the IC operates within its optimal voltage range.

- Directional Control: Connect the DIR pin to a digital output pin on the microcontroller. This setup allows the microcontroller to control the direction of data flow through the 74HCT245D,653, either to or from the peripheral device.

- Output Enable Handling: The OE pin should be tied to another digital output pin on the microcontroller. Driving this pin low enables the outputs of the 74HCT245D,653, while a high signal puts the outputs in a high-impedance state, effectively disconnecting the bus transceiver from the data bus.

- Bidirectional Data Lines: The D0-D7 pins should be connected between the microcontroller and the peripheral device. These lines carry the data bidirectionally, depending on the state of the DIR pin.

- Decoupling Capacitor Implementation: A decoupling capacitor (typically 100nF) should be placed close to the VCC and GND pins to minimize power supply noise, ensuring stable operation of the 74HCT245D,653.

Design Considerations:

1. Voltage Level Compatibility: Ensure that the logic levels of the microcontroller and the peripheral are compatible with the 74HCT245D,653's input and output levels to guarantee proper data transmission.

2. Control Logic Programming: Implement appropriate control logic in the microcontroller to manage the DIR and OE pins effectively, ensuring coherent data flow and preventing bus contention.

3. Electromagnetic Interference (EMI): In environments with potential EMI, additional measures such as shielding or the use of twisted pair cables for the data lines may be necessary to protect data integrity.

4. PCB Layout: Pay careful attention to the PCB layout, especially the routing of the data lines and the placement of the decoupling capacitor, to maintain signal integrity and minimize crosstalk and noise.

By adhering to these guidelines, the 74HCT245D,653 can be effectively utilized in a wide range of applications requiring robust and reliable bidirectional data communication, enhancing the interfacing capabilities between components within a digital system.

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6. What is the process for return or replacement of 74HCT245D,653?

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 74HCT245D,653 we delivered, we will accept the replacement or return of the 74HCT245D,653 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 74HCT245D,653.

(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