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M74HC139M1R

Part No M74HC139M1R
Manufacturer STMicroelectronics
Description M54HC138F1R M74HC138M1R M74HC138B1R M74HC138C1R
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Rohs State Need to verify
ECAD Module
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Manufacturer STMicroelectronics
Win Source Part Number 1211088-M74HC139M1R
Manufacturer Homepage www.st.com
Popularity Medium
Supply and Demand Status Limited
Application Field Used in Industrial
Ultra Librarian 3D Model Ultra Librarian M74HC139M1R CAD Model

Description

STMicroelectronics M74HC139M1R Dual 2-to-4 Line Decoder/Demultiplexer

The M74HC139M1R from STMicroelectronics is a high-speed CMOS dual 2-to-4 line decoder/demultiplexer integrated circuit, designed to be used in a wide range of digital applications. This device is part of the HC family, which means it has the capability to operate at the same speed as LS-TTL while maintaining the CMOS low power dissipation.

The M74HC139M1R features two individual 2-to-4 decoders in a single package. Each section accepts a two-bit binary weighted address on input pins A0 and A1 and, when enabled, provides four mutually exclusive active LOW outputs (O0 to O3). The two sections can be used independently or connected in various ways to provide a range of decoding options.

One of the key attributes of this device is its high noise immunity, which is a characteristic of CMOS devices. This makes it suitable for use in environments that are prone to electrical noise, ensuring reliable operation of the digital circuits it is part of. Additionally, the M74HC139M1R has a wide operating voltage range from 2V to 6V, making it versatile for use in systems that operate at different voltage levels.

Each decoder has an active LOW enable input (E), which can be used to control the decoding function. When the enable input is HIGH, all outputs of the decoder are forced to the HIGH state. This feature allows for the effective disabling of the device when it is not in use, which can help to conserve power in battery-operated systems.

The M74HC139M1R comes in a compact SOP-16 package, which is beneficial for space-constrained applications. It is also characterized for operation from -55°C to +125°C, ensuring functionality across a broad range of temperature conditions, making it suitable for industrial and automotive applications where temperature extremes are common.

Whether you're designing consumer electronics, communication devices, or complex computing systems, the M74HC139M1R provides a reliable solution for your decoding needs with its combination of speed, low power consumption, and robustness against noise.

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