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Name: SN74LV244APWT
Brand: Texas Instruments
SKU: SN74LV244APWT
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 SN74LV244APWT

Part No.:: SN74LV244APWT

Manufacturer:: Texas Instruments

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

Datasheet:: SN74LV244APWT.pdf

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

In Stock:: 3866

Quantity:: Add To Cart

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SN74LV244APWT Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
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

SN74LV244APWT this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74LV244APWT 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 SN74LV244APWT 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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SN74LV244APWT information

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SN74LV244APWT Typical application Circuitry

SN74LV244APWT

The SN74LV244APWT is an octal (8-bit) buffer and line driver with 3-state outputs, designed to interface with bus lines or buffer memory address registers in digital systems. It's capable of driving heavy loads and maintaining high-speed data transmission. The device features a wide operating voltage range and high drive strength, making it suitable for interfacing with high-capacity or low-impedance backplanes.

Application Scenario: Driving a Parallel Interface LCD Display from a Microcontroller

In this scenario, SN74LV244APWT is used to drive the data lines of a parallel interface LCD display from a microcontroller, ensuring stable data transmission and protecting 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 SN74LV244APWT.

- Voltage Compatibility: Ensure the microcontroller's output levels are within the operating range of SN74LV244APWT.

2. LCD Data Interface

- Connect the LCD's data inputs to the output pins (B1 to B8; Pins 18, 16, 14, 12, 10, 8, 6, 4) of SN74LV244APWT.

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

3. Output Enable Control

- Connect the output enable pins (1OE and 2OE; Pins 1 and 19) of SN74LV244APWT to control pins of the microcontroller.

- Controlled Output: Precisely manage these pins to switch the buffer outputs between active and high-impedance states as required.

4. Power Supply and Grounding

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

- Stable Power: Use decoupling capacitors close to the power pins to ensure a stable power supply for SN74LV244APWT.

5. Proper Grounding and Decoupling

- Minimize Noise: Implement a robust ground plane and place decoupling capacitors at the power pins to minimize noise and stabilize the operation of SN74LV244APWT.

Design Parameters

When incorporating SN74LV244APWT into a circuit, consider the following key factors:

1. Voltage Level Matching

- Verify that the voltage levels of the microcontroller and the LCD are compatible with the input/output levels of SN74LV244APWT.

2. Load Driving Capacity

- Ensure that SN74LV244APWT can effectively drive the LCD's input lines, considering the current requirements and voltage levels.

3. Signal Integrity Concerns

- Design the circuit layout to maintain signal integrity, employing proper routing, shielding, and filtering to protect against noise and interference.

4. Reliability of Power Supply

- Guarantee a stable and clean power supply to SN74LV244APWT, as voltage fluctuations can affect performance and reliability.

5. Thermal Considerations

- Assess the thermal conditions, especially if SN74LV244APWT is expected to drive heavy loads, and implement cooling solutions if required.

By meticulously addressing these considerations and leveraging the operational features of SN74LV244APWT, engineers can effectively use this octal buffer and line driver in systems requiring robust data transmission to LCD displays, ensuring optimal performance and reliability.

SN74LV244APWT FAQ

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6. What is the process for return or replacement of SN74LV244APWT?

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 SN74LV244APWT we delivered, we will accept the replacement or return of the SN74LV244APWT 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 SN74LV244APWT.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations