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Name: SN74HC244NSR
Brand: Texas Instruments
SKU: SN74HC244NSR
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 SN74HC244NSR

Part No.:: SN74HC244NSR

Manufacturer:: Texas Instruments

Package:: 20-SOIC (0.209, 5.30mm Width)

Datasheet:: SN74HC244NSR.pdf

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

In Stock:: 3910

Quantity:: Add To Cart

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SN74HC244NSR Specifications

Package/Case:
20-SOIC (0.209, 5.30mm 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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SN74HC244NSR information

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SN74HC244NSR Typical application Circuitry

SN74HC244NSR

A digital integrated circuit with three-state outputs, specifically an octal buffer/line driver, is called SN74HC244NSR. This chip is intended to buffer memory address registers or drive bus lines.

Application Scenarios and Parameter Features

Application Scenarios: The SN74HC244NSR is widely used in digital systems where buffer or line driving is required. Common applications include driving bus lines in microprocessor or microcontroller systems, buffering signals for long-distance transmission, and interfacing between different parts of a digital system.

Parameter Features:

1. Voltage Range: Operates typically in the 2V to 6V range, suitable for TTL and CMOS logic levels.

2. Octal Configuration: Contains eight buffer/line drivers, allowing multiple lines to be driven simultaneously.

3. 3-State Outputs: By switching the outputs into a high-impedance state, interference-free bus sharing is made possible.

4. High Drive Capability: Capable of driving heavy loads, suitable for bus systems.

Specific Application Example: Microcontroller Bus Interface

In a microcontroller system, SN74HC244NSR can be used to interface the microcontroller with a data bus, ensuring robust signal transmission.

Circuit Connection Details:

1. Power Supply Connection: Connect the VCC pin (pin 20) of SN74HC244NSR to a 5V power supply.

2. Grounding: Link the GND pin (pin 10) to the system ground.

3. Microcontroller Interface: Connect the microcontroller's output ports to the data input pins of SN74HC244NSR (pins 2-9).

4. Data Bus Connection: Attach the data output pins (pins 18, 17, 16, 15, 14, 13, 12, 19) to the data bus.

5. Output Enable Control: The output enable pins (pins 1 and 20 for two different sets of buffers) should be connected to control lines to manage the state of the data outputs.

Design-Related Issues

1. Compatibility with Voltage Levels: Verify that the SN74HC244NSR is compatible with the microcontroller's and the data bus's voltage levels.

2. Signal Integrity: Pay attention to signal integrity, especially if the data bus is long or operates in a noisy environment.

3. Output Loading: The load connected to the outputs should be within the chip's driving capacity.

4. Thermal Management: Consider the thermal aspect, particularly if the SN74HC244NSR is driving heavy loads, which might lead to increased power dissipation.

Utilizing the SN74HC244NSR in a microcontroller bus interface highlights its efficacy in ensuring stable and reliable data transmission, a critical function in sophisticated digital systems.

SN74HC244NSR FAQ

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6. What is the process for return or replacement of SN74HC244NSR?

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 SN74HC244NSR we delivered, we will accept the replacement or return of the SN74HC244NSR 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 SN74HC244NSR.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations