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SCC68681E1A44 from PHI,Philips

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SCC68681E1A44

Manufacturer: PHI, PHI-PBF

Dual asynchronous receiver/transmitter (DUART)
Partnumber Manufacturer Quantity Availability
SCC68681E1A44 PHI, PHI-PBF 2194 In Stock

Description and Introduction

Dual asynchronous receiver/transmitter (DUART) The part **SCC68681E1A44** is a **Dual Universal Asynchronous Receiver/Transmitter (DUART)** manufactured by **Philips Semiconductors (PHI)**.  

### **Specifications:**  
- **Type:** Dual UART (DUART)  
- **Package:** 44-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Voltage:** 5V  
- **Data Rate:** Up to 1 Mbps  
- **Channels:** 2 independent UART channels  
- **FIFO Buffers:** 16-byte transmit and receive FIFOs per channel  
- **Interrupt Support:** Programmable interrupt sources  
- **Clock Input:** External oscillator or crystal  
- **Compatibility:** Industry-standard 68681 DUART  

### **Features:**  
- Full-duplex operation  
- Independent baud rate generators for each channel  
- Modem control signals (CTS, RTS, DCD, DSR, RI, DTR)  
- Programmable character length (5, 6, 7, or 8 bits)  
- Parity generation and detection (odd, even, none)  
- Break character generation and detection  
- Multi-drop mode (9-bit) support  

This part is commonly used in embedded systems, industrial control, and telecommunications applications.

Application Scenarios & Design Considerations

Dual asynchronous receiver/transmitter (DUART)

Alternative Part Number

  • MC68681P --: Pin-compatible dual UART (DUART) from the original 68681 family lineage, widely available and functionally equivalent to the SCC68681.
  • SC26C92A1A --: Dual UART with similar register set and functionality, commonly used as a drop-in replacement in 68681-based designs.
  • XR68C681CP --: CMOS dual UART compatible with the 68681 architecture, offering equivalent serial channel features and DIP packaging.
  • MC68C681P --: Same dual UART function as the SCC68681, widely available in DIP package and a common drop-in replacement.
  • SCN68681C1A44 --: Equivalent dual asynchronous receiver/transmitter from the same family with matching pinout and function.

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