HEF4514BT,653 – PHILIPS
Decoder/Demultiplexer, 1 x 4:16, 24-SO Package
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Overview
The NXP HEF4514BT,653 is a high-performance 1-of-16 decoder/demultiplexer IC, crucial for address decoding and data routing in complex digital systems. Its primary function is to translate a 4-bit binary input into a single active-high output selection from 16 available lines. A key design consideration when implementing this device is managing the propagation delay across all 16 outputs, as the inherent RC loading on the output stages can become significant in high-speed applications, potentially impacting timing margins if not carefully compensated for in the PCB layout and clocking strategy.
Key Features
- 1 x 4:16 Decoder/Demultiplexer Circuit
- Independent Circuits: 1
- Output Drive Capability: 3mA (High/Low)
- Supply Voltage Range: 4.5V to 15.5V
- Operating Temperature: -40°C to 85°C
- Package: 24-SOIC (0.295″ width)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Address selection for memory arrays in embedded systems
- Data demultiplexing in communication interfaces
- Control signal routing in industrial automation
- Output stage selection in programmable logic controllers
