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SCN2681AC1N24 from SIG

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SCN2681AC1N24

Manufacturer: SIG, SIGNETICS, PHILIPS

Dual asynchronous receiver/transmitter DUART
Partnumber Manufacturer Quantity Availability
SCN2681AC1N24 SIG, SIGNETICS, PHILIPS 616 In Stock

Description and Introduction

Dual asynchronous receiver/transmitter DUART The SCN2681AC1N24 is a dual asynchronous receiver/transmitter (DUART) manufactured by Signetics.  

### **Specifications:**  
- **Manufacturer:** Signetics  
- **Part Number:** SCN2681AC1N24  
- **Type:** Dual UART (DUART)  
- **Operating Voltage:** 5V  
- **Data Format:** Asynchronous serial communication  
- **Number of Channels:** 2 (dual UART)  
- **Baud Rate:** Programmable  
- **Package:** 24-pin DIP (Dual In-line Package)  

### **Features:**  
- **Dual Full-Duplex Channels:** Allows simultaneous transmission and reception on two independent channels.  
- **Programmable Baud Rates:** Supports various baud rates for flexible communication.  
- **Interrupt Handling:** Includes interrupt-driven operation for efficient data handling.  
- **Modem Control Signals:** Supports RTS, CTS, DTR, DSR, CD, and RI signals for modem interfacing.  
- **FIFO Buffers:** Includes first-in-first-out (FIFO) buffers for data storage.  
- **Compatibility:** Designed for use with microprocessors and microcontrollers.  

This information is based on the available knowledge base for the SCN2681AC1N24 by Signetics.

Application Scenarios & Design Considerations

Dual asynchronous receiver/transmitter DUART

Alternative Part Number

  • ST16C2552CJ44 --: Dual UART with 16-byte FIFOs in a PLCC-44 package, functionally similar to the SCN2681 dual UART and widely available.
  • TL16C552AFN --: Dual UART plus parallel port in a PLCC-68 package, offering comparable dual-channel serial functionality for legacy designs.
  • XR16C2850IM --: Dual UART with 128-byte FIFOs and similar register compatibility, suitable as a drop-in functional replacement in many applications.
  • SCN2681AC1N28 --: Same SCN2681 dual UART family with identical functionality, differing only in package pin count (28-pin DIP), making it a direct functional substitute when board layout allows.
  • SC26C92C1A --: NXP dual-channel UART that is a common successor to the Signetics SCN2681 series, offering compatible asynchronous communication features and similar register architecture.
  • ST16C2552CJ --: Dual UART with two independent channels and 16-byte FIFOs, functionally comparable to the SCN2681 and widely used as a replacement in legacy designs.
  • XR16C2852IJ44 --: Dual UART with 128-byte FIFOs offering higher performance and compatible interface, suitable as an upgrade alternative.
  • XR16C2550IM44 --: Dual-channel UART with similar register set and FIFO depth, suitable drop-in replacement for legacy Philips dual UART designs.
  • TL16C2550IFN --: Dual UART with 16-byte FIFOs and compatible programming interface, offered in PLCC package as an alternative to the Philips SCN2681.

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