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SAA7146AH from PHILIPS

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SAA7146AH

Manufacturer: PHILIPS, NXP, PHI

Multimedia bridge, high performance Scaler and PCI circuit (SPCI)

Partnumber Manufacturer Quantity Availability
SAA7146AH PHILIPS, NXP, PHI 1069 In Stock

Description and Introduction

Multimedia bridge, high performance Scaler and PCI circuit (SPCI) The SAA7146AH is a multimedia bridge IC manufactured by Philips Semiconductors (PHI). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **PHI (Philips Semiconductors)**  

### **Specifications:**  
1. **Function:**  
   - Acts as a multimedia bridge between analog/digital video/audio sources and a PCI bus.  
   - Supports video capture, scaling, and overlay functions.  

2. **Interface:**  
   - **PCI 2.1 compliant** (32-bit, 33 MHz).  
   - Supports **DMA transfers** for efficient data handling.  

3. **Video Processing:**  
   - **Input:** Supports analog video (composite, S-Video) and digital video (ITU-R BT.656).  
   - **Scaling:** Hardware-based scaling (downscaling/upscaling).  
   - **Overlay:** Supports on-screen display (OSD) and video overlay.  

4. **Audio Support:**  
   - Integrated audio interface for I²S or AC'97 codecs.  

5. **Data Formats:**  
   - Supports **YUV 4:2:2** and **RGB** formats.  

6. **Package:**  
   - **PQFP-160** (Plastic Quad Flat Pack, 160 pins).  

7. **Operating Voltage:**  
   - **3.3V** (PCI interface) with **5V-tolerant I/O**.  

### **Descriptions & Features:**  
- Designed for **PC-based multimedia applications**, including TV tuner cards, video capture cards, and video conferencing systems.  
- Includes **on-chip FIFOs** for buffering video/audio data.  
- Supports **horizontal and vertical filtering** for improved image quality.  
- **Programmable interrupt controller** for efficient event handling.  
- **Low-power modes** for energy-efficient operation.  

This information is strictly based on the available technical documentation for the SAA7146AH by Philips Semiconductors (PHI).

Application Scenarios & Design Considerations

Multimedia bridge, high performance Scaler and PCI circuit (SPCI)

Alternative Part Number

  • BT848AKPF --: PCI video/audio capture and TV decoder chip with similar broadcast video decoding function; widely used as a functional substitute in video capture designs.
  • SAA7134HL --: Successor-generation Philips PCI video/audio broadcast decoder with comparable capture and TV decoding capabilities, often used where the SAA7146 family is unavailable.
  • Fusion 878A --: PCI video capture and TV decoder IC functionally comparable to the SAA7146 multimedia bridge, commonly used as an alternative in video capture cards.
  • BT878AKPF --: Integrated video/audio capture controller functionally comparable to SAA7146A; common second-source option for PCI video capture applications.

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