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Name: SN74LV244APWG4
Brand: Texas Instruments
SKU: SN74LV244APWG4
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 SN74LV244APWG4

Part No.:: SN74LV244APWG4

Manufacturer:: Texas Instruments

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

Datasheet:: SN74LV244APWG4.pdf

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

In Stock:: 3883

Quantity:: Add To Cart

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SN74LV244APWG4 Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
74LV
ProductStatus:
Discontinued at Mosen
LogicType:
Buffer, Non-Inverting
NumberofElements:
2
NumberofBitsperElement:
4
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
16mA, 16mA
Voltage-Supply:
2V ~ 5.5V
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

SN74LV244APWG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74LV244APWG4 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 SN74LV244APWG4 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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SN74LV244APWG4 information

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SN74LV244APWG4 Typical application Circuitry

SN74LV244APWG4

The SN74LV244APWG4 is an octal (8-bit) buffer and line driver with 3-state outputs. It's primarily designed for driving bus lines or buffer memory address registers. This device can drive heavy loads while maintaining high-speed data transmission and is characterized by its wide operating voltage range and high drive strength. Its 3-state outputs make it ideal for multiplexing and data bus driving.

Application Scenario: Multiplexing Data Lines in a Communication Interface

In this scenario, SN74LV244APWG4 is used to multiplex data lines in a communication interface, enabling multiple devices to share a single communication bus, thus optimizing bus usage and minimizing the pin count of the microcontroller.

Circuit Connection Strategy

1. Microcontroller Data Bus Connection

- Connect the microcontroller's data bus to the inputs (A1 to A8; Pins 2, 4, 6, 8, 10, 12, 14, 16) of SN74LV244APWG4.

- Ensure Compatibility: Confirm that the microcontroller's data bus is within the operating range of SN74LV244APWG4 for proper operation.

2. Communication Bus Interface

- Connect the communication bus lines to the outputs (B1 to B8; Pins 18, 16, 14, 12, 10, 8, 6, 4) of SN74LV244APWG4.

- Signal Control: The 3-state output capability allows for controlled data line driving or isolation, depending on the bus requirements.

3. Output Enable Control

- Connect the output enable pins (1OE and 2OE; Pins 1 and 19) of SN74LV244APWG4 to control pins of the microcontroller.

- Flexible Data Management: Precise control of these pins allows switching the buffer outputs between active and high-impedance states, facilitating effective bus sharing.

4. Power Supply Configuration

- Connect VCC (Pin 20) to a suitable power supply (usually 3.3V or 5V) and GND (Pin 10) to the system ground.

- Stable Operation: Implement decoupling capacitors close to the power pins to ensure a stable power supply for SN74LV244APWG4.

5. Grounding and Decoupling

- Noise Reduction: Develop a solid ground plane and place decoupling capacitors at the power pins to minimize noise and stabilize the operation of SN74LV244APWG4.

Design Parameters

When integrating SN74LV244APWG4 into a circuit, consider the following crucial factors:

1. Voltage Level Compatibility

- Ensure compatibility between the voltage levels of the microcontroller and SN74LV244APWG4 to prevent logic level mismatch.

2. Bus Contention Management

- Carefully manage the control of the OE pins to avoid bus contention or conflicts among multiple devices sharing the communication bus.

3. Signal Integrity

- Optimize the circuit layout to preserve signal integrity, employing proper routing, shielding, and filtering to mitigate noise and interference.

4. Power Supply Reliability

- Guarantee a stable and clean power supply to SN74LV244APWG4, as power fluctuations can impact performance and reliability.

5. Thermal Management

- Assess the thermal load, especially if SN74LV244APWG4 is expected to drive heavy loads, and consider cooling solutions if necessary.

By meticulously addressing these considerations and utilizing the operational capabilities of SN74LV244APWG4, engineers can effectively deploy this octal buffer and line driver in communication interfaces, facilitating efficient data line multiplexing and enhancing bus utilization.

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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 SN74LV244APWG4.

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