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Name: SN74LV244APW
Brand: Texas Instruments
SKU: SN74LV244APW
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 SN74LV244APW

Part No.:: SN74LV244APW

Manufacturer:: Texas Instruments

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

Datasheet:: SN74LV244APW.pdf

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

In Stock:: 3478

Quantity:: Add To Cart

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SN74LV244APW Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
74LV
ProductStatus:
Active
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

SN74LV244APW this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74LV244APW 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 SN74LV244APW 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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SN74LV244APW information

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SN74LV244APW Typical application Circuitry

SN74LV244APW

The SN74LV244APW is a 3-state buffer and line driver with octal (8-bit) outputs that is mainly intended for driving buffer memory address registers or bus lines. It can transmit data at a high pace while supporting large loads. The device is well-suited for interfacing with large-capacity or low-impedance backplanes because to its wide operating voltage range, strong drive strength, and low power consumption.

Application Scenario: Interfacing a Microcontroller with Peripheral Devices in an Embedded System

In this scenario, SN74LV244APW is used to interface a microcontroller with multiple peripheral devices, ensuring stable data transmission and isolating the microcontroller from potential overcurrent conditions.

Circuit Connection Strategy

1. Microcontroller Data Interface

- Connect the microcontroller's data outputs to the input pins (A1 to A8; Pins 2, 4, 6, 8, 10, 12, 14, 16) of SN74LV244APW.

- Voltage Compatibility: Confirm that the microcontroller's output levels match the input levels of SN74LV244APW.

2. Peripheral Device Interface

- Connect the peripheral devices' data inputs to the output pins (B1 to B8; Pins 18, 16, 14, 12, 10, 8, 6, 4) of SN74LV244APW.

- Signal Integrity: Utilize the 3-state output capability for controlled signal transmission to the peripheral devices.

3. Output Enable Control

- Connect the output enable pins (1OE and 2OE; Pins 1 and 19) of SN74LV244APW to control pins of the microcontroller.

- Flexible Data Management: Manage these pins to switch the buffer outputs between active and high-impedance states, allowing efficient peripheral interfacing.

4. Power Supply and Grounding

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

- Stable Power Supply: Place decoupling capacitors close to the power pins to ensure a stable power supply for SN74LV244APW.

5. Grounding and Decoupling

- Noise Minimization: Develop a solid ground plane and place decoupling capacitors at the power pins to minimize noise and stabilize the operation of SN74LV244APW.

Design Parameters

When integrating SN74LV244APW into a circuit, several critical factors need attention:

1. Voltage Level Compatibility

- Ensure compatibility between the microcontroller's output levels and the input levels of SN74LV244APW to prevent logic level mismatches.

2. Output Drive Capability

- Confirm that SN74LV244APW can adequately drive the connected peripheral devices, considering both voltage levels and current requirements.

3. Signal Integrity Considerations

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

4. Power Supply Stability

- Ensure a stable and clean power supply to SN74LV244APW, as fluctuations can impact performance and signal integrity.

5. Thermal Management

- Assess the thermal load, especially if SN74LV244APW is expected to drive heavy loads, and consider implementing cooling solutions if necessary.

By thoroughly addressing these considerations and leveraging the operational capabilities of SN74LV244APW, engineers can effectively deploy this octal buffer and line driver in embedded systems, facilitating robust and reliable data interfacing between microcontrollers and peripheral devices.

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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 SN74LV244APW.

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

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