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NXP USA Inc. 74HCT245DB,118

Part No.:: 74HCT245DB,118

Manufacturer:: NXP USA Inc.

Package:: 20-SSOP (0.209, 5.30mm Width)

Datasheet:: 74HCT245DB,118.pdf

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

In Stock:: 7635

Quantity:: Add To Cart

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74HCT245DB,118 Specifications

Package/Case:
20-SSOP (0.209, 5.30mm 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

74HCT245DB,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HCT245DB,118 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,118 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,118 information

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74HCT245DB,118 Typical application Circuitry

74HCT245DB,118

An integrated circuit from the 74HCT family, specifically an octal bus transceiver with 3-state outputs, is the 74HCT245DB,118. This device is designed for bidirectional communication between data buses. The "DB" in its name indicates a specific package type, and the "118" refers to the packaging and quantity information. The IC operates within the TTL (Transistor-Transistor Logic) level input voltage range, making it suitable for interfacing between 5V TTL logic and CMOS logic devices.

Application Scenarios:

In digital systems where data must be transported between various components or between logic domains, the 74HCT245DB,118 is frequently utilized. A common application is in microcontroller-based systems where it's necessary to interface the microcontroller with peripherals or memory devices that operate at different voltage levels.

Parameter Features:

The 74HCT245DB,118 operates with a supply voltage from 4.5V to 5.5V, compatible with TTL logic levels. It features eight bidirectional data lines, directional control (DIR), and output enable (OE) pins for flexible data flow control.With its three-state outputs, it may be linked to a data bus without causing interference to other devices connected to the bus.

Information about the Circuit Connection:

- Grounding and Energy Source: Establish a connection between the VCC pin and a 5V power source, and the GND pin and system ground. This ensures the 74HCT245DB,118 operates within its intended voltage range.

- Directional Control (DIR): The data flow direction is managed by the DIR pin. For instance, connecting DIR to a high logic level (VCC) allows data to flow from the A side to the B side of the transceiver. Connect DIR to a digital output pin on the microcontroller to dynamically control the data direction.

- Output Enable (OE): When the OE pin is held low, it enables the outputs and sets them to a high-impedance condition. Connect OE to another microcontroller pin to control the activation of the data lines.

- Bidirectional Data Lines (A0-A7 and B0-B7): Connect A0-A7 to the microcontroller data pins and B0-B7 to the peripheral device's data pins. Bidirectional data flow between the microcontroller and the peripheral is made possible by this configuration.

- Diversion Capacitor: Use a 100nF decoupling capacitor, for example, in close proximity to the VCC and GND pins in order to reduce noise and stabilize the power supply line.

Design Points to Remember:

1. Logic Level Compatibility: Ensure that the logic levels of all devices connected to the 74HCT245DB,118 are compatible with its input and output levels to ensure proper operation.

2. Preventing Bus Contention: Use the OE pin effectively to prevent bus contention by ensuring that only one device drives the bus at any given time.

3. Signal Integrity: Keep the traces between the 74HCT245DB,118 and connected devices as short as possible to minimize signal degradation, especially in high-speed applications.

4. Thermal Management: While the 74HCT245DB,118 is not typically associated with high thermal loads, it's essential to consider thermal issues in a densely populated PCB to ensure reliable operation.

By integrating the 74HCT245DB,118 into your design with these considerations in mind, you can achieve efficient and reliable bidirectional communication between different components or logic domains within your digital system, enhancing its overall functionality and compatibility.

74HCT245DB,118 FAQ

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6. What is the process for return or replacement of 74HCT245DB,118?

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,118 we delivered, we will accept the replacement or return of the 74HCT245DB,118 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,118.

(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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