SN74HC244DW

Effective Inventory3,289

Buffers & Line Drivers Tri-State Octal

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Service & Packaging

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SN74HC244DW DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $0.557 $0.56
10 $0.463 $4.63
30 $0.416 $12.48
100 $0.368 $36.80
500 $0.341 $170.50
1000 $0.326 $326.00

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

Rapid Quote

Please submit RFQ for SN74HC244DW or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The SN74HC244DW is a high-speed buffer from Texas Instruments. It is designed as a non-inverting buffer for use in digital logic applications. This 6-input, 4-state buffer provides a solution for level translation and buffering in various systems. The device features a high input impedance, low power consumption, and a wide operating temperature range of -40°C to 85°C (TA). It is packaged in a 20-SOIC package with a maximum frequency of 30 MHz at VCC = 5V. With its excellent switching characteristics and ability to handle loads up to 7.8 mA, this buffer is ideal for applications such as data transmission systems, industrial control systems, and computer peripherals.

Key Features

  • High-speed operation
  • Non-inverting buffer
  • Input impedance: typically 500 kΩ
  • Low power consumption: ICC = 3.2 μA (max)
  • Wide operating temperature range: -40°C to 85°C (TA)
  • Package: 20-SOIC (0.295", 7.50mm Width)

Application

  • Data transmission systems
  • Industrial control systems
  • Computer peripherals
  • Digital logic applications

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.

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