The 74139 is a dual 2-line to 4-line decoder IC, designed to convert two input lines into one of four possible outputs. It includes two independent 2-to-4 decoders within a single package, making it ideal for systems that require multiple decoding operations. Each decoder has a set of four output lines, with only one output line active at any given time, depending on the input combination.
The IC has an active-low enable input for both decoders, allowing the decoder operation to be disabled when not required. This makes it a versatile component in applications requiring efficient address decoding and control systems, often used in memory addressing and selection applications.
Dual 2-line to 4-line decoding: Contains two independent decoders, each with 4 output lines
Active-low enable: Each decoder has an enable input that disables the decoding operation when high
TTL-compatible: Designed to work with TTL logic families
Wide voltage range: Operates with a supply voltage of 4.75V to 5.25V
Compact package: Available in a DIP-14 package for easy integration into circuits
Address decoding in memory and microprocessor systems
Control signal decoding in digital systems
Data multiplexing and demultiplexing
General-purpose decoding in logic circuits
1 x 74139 IC - Dual 2-Line to 4-Line Decoder IC (DIP-14 Package)
Product specifications, features, and design may change over time due to product updates or improvements.
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