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Name: SN74HC244PWRE4
Brand: Texas Instruments
SKU: SN74HC244PWRE4
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 SN74HC244PWRE4

Part No.:: SN74HC244PWRE4

Manufacturer:: Texas Instruments

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

Datasheet:: SN74HC244PWRE4.pdf

Description:: IC BUFFER NON-INVERT 6V 20TSSOP

In Stock:: 2793

Quantity:: Add To Cart

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SN74HC244PWRE4 Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
74HC
ProductStatus:
Discontinued at Mosen
LogicType:
Buffer, Non-Inverting
NumberofElements:
2
NumberofBitsperElement:
4
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
7.8mA, 7.8mA
Voltage-Supply:
2V ~ 6V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

SN74HC244PWRE4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74HC244PWRE4 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 SN74HC244PWRE4 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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SN74HC244PWRE4 information

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SN74HC244PWRE4 Typical application Circuitry

SN74HC244PWRE4

This chip, called the SN74HC244PWRE4, has 3-state outputs and functions as both a line driver and an octal buffer. It is frequently utilized in digital electronics for a range of purposes. Let's explore one specific application scenario and provide a detailed circuit connection for it. We'll also go over the important things to keep in mind while creating a circuit with the SN74HC244PWRE4.

Application Scenario: Interface Between a Microcontroller and LCD Display:

In this application, we will use the SN74HC244PWRE4 to interface a microcontroller (MCU) with an LCD display. The LCD display operates at a different voltage level than the MCU, and the SN74HC244PWRE4 helps level-shift the signals.

Circuit Connection:

1. SN74HC244PWRE4 Power Supply:

- Pin 20 (VCC): Connect to the MCU's 5V power supply.

- Pin 10 (GND): Connect to the MCU's ground.

2. Microcontroller Interface:

- Connect the MCU's output pins to the SN74HC244PWRE4's input pins (A1 to A8).

3. LCD Display Interface:

- Connect the SN74HC244PWRE4's output pins (Y1 to Y8) to the corresponding pins on the LCD display.

4. Control Pins:

- Pin 1 (OE, Output Enable): Connect to a digital output pin on the MCU to enable or disable the output buffer. The outputs are active when the OE is low.

- Pin 19 (DIR, Direction Control): Connect to a digital output pin on the MCU to control the direction of data flow. When DIR is low, data flows from A to Y; when high, data flows from Y to A.

5. Level Shifting:

- The SN74HC244PWRE4 performs level shifting between the MCU (usually 5V) and the LCD display (which may operate at a different voltage level, e.g., 3.3V).

- Ensure that the VCC of the SN74HC244PWRE4 matches the voltage level of the MCU.

Key Considerations:

1. Voltage Compatibility: Verify that the MCU and LCD display's voltage levels are appropriate for the SN74HC244PWRE4.

2. Data Direction: Set the DIR pin according to the direction of data flow between the MCU and the LCD display.

3. Output Enable: Control the OE pin to enable or disable the output buffer as needed.

4. Signal Timing: Consider signal timing and synchronization between the MCU and the LCD display to ensure proper data transfer.

5. Decoupling Capacitors: Include decoupling capacitors near the VCC and GND pins of the SN74HC244PWRE4 to stabilize the power supply.

6. Noise and Crosstalk: Minimize noise and crosstalk in the circuit by following best practices in PCB layout and signal routing.

7. Current Limiting: Ensure that the current flowing through the SN74HC244PWRE4 does not exceed its maximum ratings.

In summary, the SN74HC244PWRE4 is a versatile chip used in digital electronics for various purposes, including level-shifting and signal buffering. When designing a circuit using this chip, it's essential to consider voltage compatibility, data direction, signal timing, and other factors to ensure reliable operation in the chosen application.

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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 SN74HC244PWRE4.

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

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