74HC147D – PHILIPS
Part Number:
74HC147D
Manufacturer:
Date Code:
RoHS:
RoHS Compliant
MSL:
1
COO:
THAILAND
Description:
Priority Encoder IC, 1 x 10:4, 16‑SO Package
Datasheet:
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Stock Quantity: 32
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 2.92 |
| 10+ | |
| 50+ | |
| 100+ |
32 in stock
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Product Details:
Overview
The Nexperia 74HC147D is a high-speed CMOS priority encoder designed to translate nine unique, active-low inputs into a 4-bit active-high binary code. Its primary function is to efficiently multiplex multiple input lines into a single, prioritized output, crucial for simplifying control interfaces. A key design consideration is the inherent propagation delay, which, while optimized for CMOS logic, necessitates careful timing analysis in high-frequency applications to prevent data corruption, especially when interfacing with microcontrollers operating at their maximum clock speeds.
Key Features
- 9 Active-Low Inputs, 4 Active-High Binary Outputs
- CMOS Logic Family (HC)
- Wide Operating Supply Voltage: 2V to 6V
- Low Propagation Delay: 27 ns (typical at 6V)
- Operating Temperature Range: -40°C to +125°C
- Compact SOIC-16 Package (10mm x 4mm x 1.45mm)
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.
- Keyboard matrix scanning and debouncing
- User interface input multiplexing for industrial control panels
- Priority interrupt handling in embedded systems
- Data selection and routing in test and measurement equipment
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