Description
The 74HCT138D,653 by Nexperia is a high-performance 3-to-8 line decoder/demultiplexer, a staple in the HCT (High-Speed CMOS) logic family. This versatile component is engineered for efficient signal routing and decoding in digital circuits, featuring three binary-weighted address inputs (A0, A1, A2) that control eight mutually exclusive active-LOW outputs. It is ideally suited for applications such as memory chip-select decoding, data routing, and complex signal management.
Designed for reliability and compatibility, the 74HCT138D,653 operates within a 4.5V to 5.5V voltage range and offers robust output drive capabilities. Its compact SOIC-16 surface-mount package ensures space-efficient integration into dense PCB layouts, making it a preferred choice for microprocessor systems and high-speed digital design engineers.
Key Features
- Versatile Functionality: Dual-mode operation as a decoder or demultiplexer.
- HCT Technology: High-speed CMOS logic compatible with TTL input levels for seamless system interfacing.
- Efficient Architecture: 3-bit binary input decoding to 8 independent, active-LOW outputs.
- High Output Drive: Capable of delivering reliable signal strength for robust digital transmission.
- Low Power Consumption: Optimized for low static power draw in demanding electronic designs.
- Surface Mount: Housed in a space-saving SOIC-16 package for modern PCB assembly.
Applications
- Memory Decoding: Ideal for chip-select logic in complex microprocessor systems.
- Data Routing: Effective for demultiplexing data buses to multiple peripheral devices.
- Signal Management: General-purpose decoding in digital logic and timing circuits.
- Embedded Systems: Essential for interface expansion and control logic in digital designs.
Package Includes
- 1 x 74HCT138D,653 Decoder/Demultiplexer (SOIC-16)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | 74HCT138D,653 |
| Function | Decoder/Demultiplexer |
| Logic Family | HCT (High-Speed CMOS) |
| Inputs | 3 |
| Outputs | 8 |
| Voltage Range | 4.5V – 5.5V |
| Mounting Type | Surface Mount (SOIC-16) |
| Shipping Weight | 0.00001 kg |
| Shipping Dimensions | 5 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For detailed timing diagrams, logic tables, and electrical characteristics, please refer to the official Nexperia datasheet.
