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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for 74HCT244N
- Part Number 74HCT244N
- Manufacturer Nexperia
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Other
- Last Modified Date Jun 3, 2025 10:49 AM UTC
- Pinout / Pin List Click Here (Member Only)
74HCT244N Details
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Manufacturer Part Number:
74HCT244N
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Part Life Cycle Code:
Obsolete
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Package Description:
DIP-20
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.01
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Manufacturer:
Nexperia
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YTEOL:
0
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Control Type:
ENABLE LOW
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Count Direction:
UNIDIRECTIONAL
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Family:
HCT
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JESD-30 Code:
R-PDIP-T20
74HCT244N Frequently Asked Questions (FAQs)
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The maximum operating frequency of the 74HCT244N is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
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The output enable (OE) pin is active-low, meaning that the outputs are enabled when OE is low and disabled when OE is high. You should connect OE to a logic low signal to enable the outputs, and to a logic high signal to disable them.
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A simple POR circuit can be implemented using a resistor, capacitor, and diode. The capacitor should be connected between VCC and GND, and the resistor and diode should be connected in series between VCC and the reset pin. This circuit ensures that the device is properly reset during power-on.
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The 74HCT244N has a high-impedance output stage, so it's essential to ensure that the outputs are properly terminated to prevent signal reflections and oscillations. You can use a series resistor and a parallel capacitor to terminate the outputs, or use a dedicated termination network.
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The 74HCT244N can sink or source up to 6 mA of current per output pin, but it's recommended to limit the current to 4 mA or less to ensure reliable operation and prevent overheating.
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74HCT244N Overview
Use the download button to access the 74HCT244N 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
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About Nexperia
Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.
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