SN74HC244DW

Name: SN74HC244DW
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Buffers & Line Drivers Tri-State Octal

3,289 Effective Inventory

SN74HC244DW

Effective Inventory3,289

Buffers & Line Drivers Tri-State Octal

Manufacturer Part # : SN74HC244DW
Package/Case: SOIC-20
Part Status : Active
Brand: Texas Instruments
Product Categories : Buffers, Drivers, Receivers, Transceivers
Series : 74HC244

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SN74HC244DW DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.461	$0.46
10	$0.378	$3.78
30	$0.336	$10.08
100	$0.295	$29.50
500	$0.270	$135.00
1000	$0.258	$258.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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SN74HC244DW Details

The SN74HC244DW is an octal buffer with three-state outputs from Texas Instruments, designed for reliable data transmission in noisy environments. This device is ideal for industrial communication applications, featuring high ESD protection, low power consumption, and a wide operating temperature range. It is housed in a SOIC-20 package, making it suitable for compact circuit designs.

Pinout

A1 (Y0): Output 0
A2 (Y1): Output 1
A3 (Y2): Output 2
A4 (Y3): Output 3
A5 (Y4): Output 4
A6 (Y5): Output 5
A7 (Y6): Output 6
A8 (Y7): Output 7
A9 (A): Input A
A10 (B): Input B
A11 (GND): Ground
A12 (VCC): Positive Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High ESD Protection: Provides robust ESD protection up to ±15kV, ensuring reliable operation in harsh environments.
Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
Wide Temperature Range: Operates over a wide temperature range from -40°C to +125°C.
Fast Data Rates: Supports data rates up to 50Mbps for high-speed communication.

Applications

Industrial Automation: Suitable for industrial automation applications, such as process control and monitoring systems.
Medical Devices: Can be used in medical devices, such as patient monitors and diagnostic equipment.
Aerospace and Defense: Ideal for aerospace and defense applications, including military communication systems and avionics.

Where to Use

The SN74HC244DW is suitable for use in a variety of applications where high-speed data transmission and low power consumption are required. Some examples include:

Industrial Control Systems: Can be used in industrial control systems, such as process control and monitoring systems.
Medical Equipment: Suitable for use in medical equipment, such as patient monitors and diagnostic equipment.
Aerospace and Defense Systems: Ideal for use in aerospace and defense systems, including military communication systems and avionics.

How to Use

To use the SN74HC244DW, follow these steps:

Connect the input pins (A and B) to the desired signal source.
Connect the output pins (Y0-Y7) to the desired load or device.
Apply power to the VCC pin and ground the GND pin.

Application Circuit

A typical application circuit for the SN74HC244DW might include:

Data Source: A data source, such as a microcontroller or a sensor.
Buffer: The SN74HC244DW buffer, which amplifies and isolates the input signal.
Load: A load device, such as a display or an actuator.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

SN74LS244: A similar buffer with three-state outputs from Texas Instruments.
CD54HC244: An equivalent buffer with three-state outputs from Fairchild Semiconductor.

Complementary

The SN74HC244DW can be complemented by other buffers and logic devices to create a complete system. Some examples include:

SN74HC125: A quad buffer with three-state outputs from Texas Instruments.
CD54HC151: A quad inverter with three-state outputs from Fairchild Semiconductor.

Frequently Asked Questions

Q: What is the maximum data rate supported by the SN74HC244DW?

A: The SN74HC244DW supports data rates up to 50Mbps. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the SN74HC244DW be used in medical devices?

A: Yes, the SN74HC244DW is suitable for use in medical devices, such as patient monitors and diagnostic equipment. However, it is recommended to consult with a qualified engineer or designer to ensure compliance with relevant regulations and standards.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Buffers & Line Drivers	RoHS	Details
Number of Input Lines	8 Input	Number of Output Lines	8 Output
Polarity	Non-Inverting	High Level Output Current !	- 7.8 mA
Low Level Output Current !	7.8 mA	Quiescent Current !	8 uA
Supply Voltage - Max	6 V	Supply Voltage - Min	2 V
Operating Supply Current	80 uA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Mounting Style	SMD/SMT
Package / Case	SOIC-20	Brand	Texas Instruments
Function	Buffer/Line Driver	Height	2.35 mm
Input Signal Type	Single-Ended	Length	12.8 mm
Logic Family	HC	Logic Type	CMOS
Number of Channels	8	Operating Supply Voltage !	5 V
Output Type	3-State	Product Type !	Buffers & Line Drivers
Propagation Delay Time	165 ns at 2 V, 33 ns at 4.5 V, 28 ns at 6 V	Series	SN74HC244
Factory Pack Quantity	25	Subcategory	Logic ICs
Supply Current - Max	8 uA	Technology	CMOS
Width	7.52 mm	Unit Weight	0.017662 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification SN74HC244DW PDF Download

FAQs

What is SN74HC244DW?

The SN74HC244DW is a high-speed CMOS octal buffer and line driver with 3-state outputs designed by Texas Instruments. It is commonly used for signal buffering, line driving, and bus interfacing applications in digital systems.

How Does SN74HC244DW Work?

The SN74HC244DW operates as an octal buffer and line driver, capable of driving signals with high speed and low power consumption. It features 3-state outputs, allowing for tri-state operation for bus sharing. The device provides signal buffering and bidirectional voltage translation, making it suitable for various digital logic applications.

How Many Pins does SN74HC244DW have and What are the Functions of the Pinout Configuration?

The SN74HC244DW is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

OE: Output enable input for 3-state outputs.
A1-A8: Inputs/outputs for buffer channels 1 to 8.
GND: Ground pin.
Y1-Y8: Outputs/inputs for buffer channels 1 to 8.
VCC: Power supply pin.

What are the Pros and Cons of SN74HC244DW?

Pros:

High Speed: Operates at high speed, suitable for fast digital systems.
3-State Outputs: Allows for bus sharing and multiple device connections.
Low Power Consumption: Provides efficient power usage for energy-efficient designs.
Wide Operating Voltage Range: Supports a wide voltage range for compatibility with various systems.
Robust Design: Features CMOS technology for reliable performance and noise immunity.

Cons:

Propagation Delay: May have a finite propagation delay that needs to be considered in timing-critical applications.
Temperature Sensitivity: Performance may vary with temperature changes in extreme environments.
Output Drive Strength: Output drive capability may be limited compared to specialized line drivers.

Are There Any Equivalents/Alternatives to SN74HC244DW for Recommendation?

The 74HC244 from NXP Semiconductors is a compatible alternative to the SN74HC244DW.
Alternatives to the SN74HC244DW include the MC74HC244A from ON Semiconductor and the CD74HC244 from Texas Instruments.