Overview:
The 74HC139TELL-E is an integrated circuit (IC) component that belongs to the 74HC family of logic devices. It is a dual 2-to-4 line decoder/demultiplexer with active LOW outputs. This IC is commonly used in digital systems for various applications, such as address decoding, data routing, and signal demultiplexing.
Key Features:
1. Dual 2-to-4 Line Decoders: The 74HC139TELL-E consists of two independent 2-to-4 line decoders. Each decoder can decode two binary inputs (A0 and A1) into four mutually exclusive outputs (Yn). Both decoders operate independently, providing flexibility in various circuit configurations.
2. Active LOW Outputs: The outputs of this component are active LOW, meaning that they are inverted versions of the desired output states. This feature allows for easy integration with other digital components that may use active LOW signals.
3. Binary Input Selection: The IC utilizes two binary inputs (A0 and A1) to control the decoding process. Depending on the combination of these inputs, one out of the four output lines will be activated.
4. Enable Input: The 74HC139TELL-E includes an active LOW enable input (G) that can be used to enable or disable the decoders. When the enable input is HIGH, all output lines are forced into a HIGH impedance state, regardless of the input combinations
