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TL16C550DRHB from BB/TI

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TL16C550DRHB

Manufacturer: BB/TI, TI

Asynchronous Communications Element ((16-Byte Fifos, Autoflow Control)

Partnumber Manufacturer Quantity Availability
TL16C550DRHB BB/TI, TI 264 In Stock

Description and Introduction

Asynchronous Communications Element ((16-Byte Fifos, Autoflow Control) The TL16C550DRHB is a UART (Universal Asynchronous Receiver/Transmitter) manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Texas Instruments (TI)  

### **Part Number:**  
TL16C550DRHB  

### **Description:**  
The TL16C550DRHB is an enhanced UART with 16-byte FIFOs (First-In, First-Out buffers) for both receiver and transmitter. It is designed to improve system performance by reducing CPU overhead in high-speed serial communication applications.  

### **Key Features:**  
- **16-byte FIFOs** for both transmit and receive operations.  
- **Programmable baud rate generator** (up to 1 Mbps).  
- **Standard asynchronous communication bits** (start, stop, parity).  
- **Modem control functions** (RTS, CTS, DSR, DTR, RI, DCD).  
- **Autoflow control** (Xon/Xoff or RTS/CTS).  
- **Programmable serial interface characteristics**:  
  - 5, 6, 7, or 8-bit characters.  
  - Even, odd, or no parity.  
  - 1, 1.5, or 2 stop bits.  
- **Industrial temperature range** (-40°C to +85°C).  
- **3.3V or 5V operation** (compatible with TTL levels).  
- **48-pin QFN (DRHB) package**.  

### **Applications:**  
- Embedded systems.  
- Industrial automation.  
- Networking equipment.  
- Point-of-sale terminals.  

This device is a drop-in replacement for the TL16C450 and offers backward compatibility with earlier UARTs while providing enhanced performance.  

Would you like additional details on pin configurations or electrical characteristics?

Application Scenarios & Design Considerations

Asynchronous Communications Element ((16-Byte Fifos, Autoflow Control)

Alternative Part Number

  • ST16C550CQ48 --: Pin-compatible UART with 16-byte FIFO in a 48-pin TQFP, functionally equivalent to the TL16C550 and widely used as a drop-in replacement.
  • XR16C550CQ48 --: Direct functional equivalent UART with 16-byte FIFO in 48-pin TQFP package, same register set and interface as the TL16C550.
  • SC16C550BIB48 --: Industry-standard 16C550-compatible UART in 48-pin LQFP with 16-byte FIFO, offering equivalent functionality and a different series naming.

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