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Name: SN74HC244PWR
Brand: Texas Instruments
SKU: SN74HC244PWR
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 SN74HC244PWR

Part No.:: SN74HC244PWR

Manufacturer:: Texas Instruments

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

Datasheet:: SN74HC244PWR.pdf

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

In Stock:: 1481

Quantity:: Add To Cart

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SN74HC244PWR Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HC
ProductStatus:
Active
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

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SN74HC244PWR information

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SN74HC244PWR Typical application Circuitry

SN74HC244PWR

The SN74HC244PWR is a versatile integrated circuit with a specific function. It is commonly used as an octal buffer/line driver with 3-state outputs. This chip is part of the SNx4HC244 family and is manufactured by Texas Instruments.

Key Features:

- Function: Octal Buffer/Line Driver with 3-State Outputs

- Operating Voltage: 2V to 6V

- High-Speed: Supports up to 30 MHz clock frequencies

- 3-State Outputs: Allows high impedance state when not actively driving the bus

- TTL-Compatible: Inputs are TTL compatible for easy interfacing

- ESD Protection: Provides protection against electrostatic discharge (ESD)

Typical Applications:

The SN74HC244PWR is widely used in digital electronics for various applications, including but not limited to:

- Data bus buffering

- Address bus buffering

- Signal level translation

- Output port expansion

- And more...

Detailed Circuit Example: Data Bus Buffering

To illustrate a specific circuit application, let's consider a data bus buffering scenario using the SN74HC244PWR. In this circuit, we will connect the chip to a microcontroller's data bus for signal buffering.

Circuit Overview:

- Purpose: To buffer the data bus signals between a microcontroller and an external memory device.

- Components: SN74HC244PWR, Microcontroller, External Memory Device.

- Key Considerations: Signal integrity, voltage levels, and connection reliability.

Circuit Connection:

1. Connect the Vcc (Pin 20) of SN74HC244PWR to the microcontroller's power supply (e.g., 5V).

2. Connect the GND (Pin 10) of SN74HC244PWR to the microcontroller's ground.

3. Connect the eight data input pins (A1 to A8) of SN74HC244PWR to the microcontroller's data bus pins (D0 to D7).

4. Connect the corresponding data output pins (Y1 to Y8) of SN74HC244PWR to the data input pins of the external memory device.

5. Connect the OE (Output Enable) pin (Pin 1) of SN74HC244PWR to a control signal from the microcontroller. When OE is LOW, the outputs are active; when HIGH, the outputs are in a high-impedance state.

6. Connect the DIR (Direction) pin (Pin 19) of SN74HC244PWR to a control signal from the microcontroller. Depending on the signal level, it controls the direction of data flow.

Design Considerations:

- Ensure that Vcc and GND connections are stable and within the specified voltage range (2V to 6V).

- Properly handle the OE and DIR signals to control data flow and enable/disable the buffer.

- Pay attention to signal timing, especially when operating at high clock frequencies (up to 30 MHz).

- Verify that the voltage levels on the data bus are compatible between the microcontroller and the external memory device.

- Consider signal termination and noise immunity for reliable data transmission.

In conclusion, the SN74HC244PWR is a valuable component for data bus buffering in digital circuits. When designing a circuit with this chip, it's crucial to ensure proper signal handling, voltage compatibility, and noise management to achieve reliable data communication between devices.

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6. What is the process for return or replacement of SN74HC244PWR?

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 SN74HC244PWR we delivered, we will accept the replacement or return of the SN74HC244PWR 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 SN74HC244PWR.

(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