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LC89517K from SANYO

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LC89517K

Manufacturer: SANYO

Built-in Subcode Interface CD-ROM/CD-I Error Correction LSI

Partnumber Manufacturer Quantity Availability
LC89517K SANYO 790 In Stock

Description and Introduction

Built-in Subcode Interface CD-ROM/CD-I Error Correction LSI The LC89517K is a digital signal processor (DSP) chip manufactured by SANYO. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** SANYO  
- **Model:** LC89517K  
- **Type:** Digital Signal Processor (DSP)  
- **Package:** Likely a surface-mount or DIP package (exact package type not specified in Ic-phoenix technical data files)  
- **Operating Voltage:** Typically 5V (exact voltage range not specified)  
- **Primary Function:** Used for digital signal processing in optical disc systems (e.g., CD players, CD-ROM drives).  

### **Descriptions:**  
- The LC89517K is a DSP chip designed for error correction and signal processing in CD-based systems.  
- It includes functions such as EFM (Eight-to-Fourteen Modulation) demodulation, CIRC (Cross-Interleaved Reed-Solomon Code) error correction, and digital filtering.  
- Commonly found in CD player and CD-ROM drive circuits from the 1990s and early 2000s.  

### **Features:**  
- **EFM Demodulation:** Converts the 14-bit EFM signal from the disc into 8-bit data.  
- **CIRC Error Correction:** Corrects errors caused by disc defects or read issues.  
- **Digital Filtering:** Helps improve audio signal quality.  
- **Subcode Processing:** Handles subcode data (track time, index, etc.).  
- **Clock Recovery:** Synchronizes with the disc's data stream.  

This information is based on the chip's typical applications and known functions in optical disc systems. For exact electrical characteristics or pin configurations, refer to the official SANYO datasheet (if available).

Application Scenarios & Design Considerations

Built-in Subcode Interface CD-ROM/CD-I Error Correction LSI

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