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Name: SN74LVC244APWTG4
Brand: Texas Instruments
SKU: SN74LVC244APWTG4
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 SN74LVC244APWTG4

Part No.:: SN74LVC244APWTG4

Manufacturer:: Texas Instruments

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

Datasheet:: SN74LVC244APWTG4.pdf

Description:: IC BUF NON-INVERT 3.6V 20TSSOP

In Stock:: 2696

Quantity:: Add To Cart

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SN74LVC244APWTG4 Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
74LVC
ProductStatus:
Discontinued at Mosen
LogicType:
Buffer, Non-Inverting
NumberofElements:
2
NumberofBitsperElement:
4
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
24mA, 24mA
Voltage-Supply:
1.65V ~ 3.6V
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

SN74LVC244APWTG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74LVC244APWTG4 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 SN74LVC244APWTG4 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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SN74LVC244APWTG4 information

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SN74LVC244APWTG4 Typical application Circuitry

SN74LVC244APWTG4

The SN74LVC244APWTG4 is an octal buffer and line driver with 3-state outputs. It is designed to provide high-drive outputs with the capability to drive heavy loads while maintaining high-speed data transmission. This IC is commonly used in applications where signal isolation is needed, such as driving bus lines, interfacing between different voltage domains, or isolating and buffering data lines.

Application Scenario: Interfacing a Microprocessor with a Memory Module

In this scenario, SN74LVC244APWTG4 is used to interface a microprocessor with a memory module, ensuring stable operation and protecting the microprocessor from potential damage caused by high voltages or currents on the memory bus.

Circuit Connection Strategy

1. Microprocessor Data Output Connection

- Connect the microprocessor data outputs to the input pins (A1 to A8; Pins 2, 4, 6, 8, 10, 12, 14, 16) of SN74LVC244APWTG4.

- Ensure the signals are within the operating range of SN74LVC244APWTG4 to maintain proper operation.

2. Memory Bus Interface

- Connect the memory bus lines to the output pins (Y1 to Y8; Pins 18, 16, 14, 12, 10, 8, 6, 4) of SN74LVC244APWTG4.

- Given the 3-state output capability, ensure proper control of the output enable pins to manage the connection to the memory bus effectively.

3. Output Enable Control

- The output enable pins (1OE and 2OE; Pins 1 and 19) of SN74LVC244APWTG4 are connected to control pins of the microprocessor.

- Accurate control of these pins is necessary to switch the buffer outputs between active and high-impedance states.

4. Power Supply Configuration

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

- Implementing decoupling capacitors close to the power pins is essential for a stable power supply and to minimize noise for SN74LVC244APWTG4.

5. Effective Grounding and Decoupling

- Establish a solid ground plane and place decoupling capacitors at the power pins to reduce noise and stabilize operation.

- Proper grounding and decoupling are critical for the stable functioning of SN74LVC244APWTG4.

Design Parameters

When integrating SN74LVC244APWTG4 into a circuit, several important aspects need attention:

1. Voltage Level Compatibility

- Ensure that the microprocessor's output levels are compatible with the input levels of SN74LVC244APWTG4 to ensure proper functioning.

2. Output Enable Timing

- Manage the timing of the output enable signals accurately to ensure seamless interaction with the memory bus and prevent data collision or corruption.

3. Signal Integrity

- Use proper routing and, if necessary, shielding to protect the signals from noise, especially in environments with high electrical interference.

4. Power Supply Stability

- Ensure that the power supply is stable and clean, as fluctuations can impact the performance and signal integrity of SN74LVC244APWTG4.

5. Thermal Management

- Evaluate the thermal load, especially if SN74LVC244APWTG4 is expected to drive heavy loads, and consider implementing cooling solutions if needed.

By thoroughly addressing these considerations and understanding the operational capabilities of SN74LVC244APWTG4, engineers can effectively use this octal buffer and line driver in applications requiring microprocessor interfacing with memory modules, ensuring robust protection and signal integrity.

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6. What is the process for return or replacement of SN74LVC244APWTG4?

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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 SN74LVC244APWTG4.

(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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