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Name: 74HCT245DB,112
Brand: Nexperia USA Inc.
SKU: 74HCT245DB,112
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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Nexperia USA Inc. 74HCT245DB,112

Part No.:: 74HCT245DB,112

Manufacturer:: Nexperia USA Inc.

Package:: -

Datasheet:: 74HCT245DB,112.pdf

Description:: NEXPERIA 74HCT245DB - BUS TRANSC

In Stock:: 45845

Quantity:: Add To Cart

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74HCT245DB,112 Specifications

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

74HCT245DB,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HCT245DB,112 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 74HCT245DB,112 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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74HCT245DB,112 information

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74HCT245DB,112 Typical application Circuitry

74HCT245DB,112

The 74HCT245DB,112 is an integrated circuit that belongs to the 74HCT series.It is an octal bus transceiver with three-state outputs that is mainly intended for asynchronous, bidirectional data bus connection. The device can transmit data from bus A to bus B or from bus B to bus A depending on the logic level at the direction control (DIR) input. The 3-state outputs allow the buses to be disconnected when the device is not in use, which is indicated by the output enable (OE) input.

Application Scenarios:

Data transfers between two buses that may function at different logic levels are common uses for the 74HCT245DB,112 in digital systems. A common application is in the development of microcontroller-based systems where it serves as an interface between the microcontroller and peripherals or other ICs that operate at different voltage levels or require isolation.

Parameter Features:

Compatible with TTL levels, the 74HCT245DB,112 operates with a supply voltage (VCC) between 4.5V and 5.5V. It features eight bidirectional data lines (D0-D7), directional control (DIR), output enable (OE) for controlling the state of the outputs, and the capability to handle significant capacitive loads with high-speed data transmission.

Circuit Connection Details:

- Power Supply and Grounding: Connect the VCC pin of the 74HCT245DB,112 to a 5V power source to match the TTL logic levels, and connect the GND pin to the system's ground to establish a common reference point for all signals.

- Direction Control: The data flow direction is set by the DIR pin. For data to be transmitted from bus A to bus B, connect DIR to a logic high level (VCC). For the reverse direction, connect it to a logic low level (GND).

- Output Enable Management: Connect the OE pin to a logic low level (GND) to enable the outputs. If the outputs need to be disabled, making them high-impedance, connect OE to a logic high level (VCC).

- Bidirectional Data Lines: Connect the D0-D7 pins between the two buses that are being interfaced. These lines will carry the data bidirectionally, according to the state of the DIR pin.

- Decoupling Capacitor for Voltage Stability: Place a decoupling capacitor (100nF) near the VCC and GND pins to filter out noise from the power supply, ensuring stable operation of the 74HCT245DB,112.

Design Considerations:

1. Logic Level Matching: Ensure that the logic levels of the devices connected to the 74HCT245DB,112 are compatible with its TTL input levels to ensure accurate data transmission.

2. Avoiding Bus Contention: Develop control logic to prevent both buses from driving the same lines simultaneously, which could cause bus contention and potential damage to the IC or connected devices.

3. Signal Integrity: In high-speed applications, consider the layout of the PCB to minimize signal degradation. If necessary, utilize impedance matching and keep the tracks brief to maintain signal integrity.

4. Thermal Management: Although the 74HCT245DB,112 is designed for low power consumption, in applications where all channels are heavily used, it's essential to consider the thermal aspect to prevent overheating.

Integrating the 74HCT245DB,112 into digital systems for interfacing different buses offers robust data transmission capabilities, enhancing the flexibility and compatibility of the overall system architecture.

74HCT245DB,112 FAQ

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6. What is the process for return or replacement of 74HCT245DB,112?

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 74HCT245DB,112 we delivered, we will accept the replacement or return of the 74HCT245DB,112 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 74HCT245DB,112.

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

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(1)Inform us within 90 days

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