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UARTs

Texas Instruments offers a wide portfolio of parallel-to-serial and serial-to-parallel Universal Asynchronous Receiver Transmitters (UARTs) in highly-integrated, space-saving configurations, including the industry standard 16C550. These configurations allow designers to increase a system's performance while decreasing its space requirements.

To learn more about TI's UART solutions, visit www.ti.com/uart

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Application Notes   

  • Comparing Bus Solutions (Rev. B) (slla067b.HTM, 9 KB)
    12 Oct 2009 Abstract
  • Transitioning to TI's TL16C2550 from ST16C2550 or SC16C2550 (slla180.HTM, 8 KB)
    14 Sep 2005 Abstract
 

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Operating Voltage (V) Number of Channels FIFOs (bytes) Tx / Rx FIFO INT Trig Auto RTS/CTS Rating CPU Interface Baud Rate (max) at Vcc = 1.8V and with 16X Sampling (Mbps) Baud Rate (max) at Vcc = 2.5V and with 16X Sampling (Mbps) Baud Rate (max) at Vcc = 3.3V and with 16X Sampling (Mbps) Baud Rate (max) at Vcc = 5.0V and with 16X Sampling (Mbps) Operating Temp Range (Celsius)
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Part Number  Status  Operating Voltage (V)  Number of Channels  FIFOs (bytes)  Tx / Rx FIFO INT Trig  Auto RTS/CTS  Rating  CPU Interface  Baud Rate (max) at Vcc = 1.8V and with 16X Sampling (Mbps)  Baud Rate (max) at Vcc = 2.5V and with 16X Sampling (Mbps)  Baud Rate (max) at Vcc = 3.3V and with 16X Sampling (Mbps)  Baud Rate (max) at Vcc = 5.0V and with 16X Sampling (Mbps)  PCMCIA  IrDA  UART  Pin/Package  Approx. Price (US$)  
Description  
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TL16C2550ACTIVE  1.8  
2.5  
3.3  
5  		2  16  No / 4 Levels  Yes  Catalog  X86  0.625  1.0  1.25  1.5      Yes  32QFN
48TQFP		2.20 | 1ku  1.8-V to 5-V Dual UART with 16-Byte FIFOs  
TL16C2552ACTIVE  1.8  
2.5  
3.3  
5  		2  16  No / 4 Levels  Yes  Catalog  X86  0.625  1.0  1.25  1.5      Yes  44PLCC2.90 | 1ku  1.8-V to 5-V Dual UART with 16-Byte FIFOs  
TL16C2752ACTIVE  1.8  
2.5  
3.3  
5  		2  64  Prog. / Prog.  Yes  Catalog  X86  1.0  1.5  2.0  3.0      Yes  44PLCC3.50 | 1ku  1.8-V to 5-V Dual UART with 64-Byte FIFOs  
TL16C450ACTIVE  5  1  0  No / No  No  Catalog  X86  N/A  N/A  N/A  0.256      Yes  44PLCC1.50 | 1ku  Single UART Without FIFO  
TL16C451ACTIVE  5  1  0  No / No  No  Catalog    N/A  N/A  N/A  0.256      Yes  68PLCC3.10 | 1ku  Single UART with Parallel Port And Without FIFO  
TL16C452ACTIVE  5  2  0  No / No  No  Catalog  X86  N/A  N/A  N/A  0.256      Yes  68PLCC2.55 | 1ku  Dual UART with Parallel Port And Without FIFO  
TL16C550CACTIVE  5 / 3.3  1  16  No / 4 Levels  Yes  Catalog  X86  N/A  N/A  0.931  1.0      Yes  44PLCC
48LQFP
48TQFP		1.65 | 1ku  Single UART with 16-Byte FIFOs and Auto Flow Control  
TL16C550DACTIVE  2.5  
3.3  
5  		1  16  No / 4 Levels  Yes  Catalog  X86  N/A  1.0  1.25  1.5      Yes  24BGA MICROSTAR JUNIOR
32QFN
48LQFP
48TQFP		1.30 | 1ku  Asynchronous Communications Element With Autoflow Control  
TL16C552ACTIVE  5  2  16  No / 4 Levels  Yes  Catalog  X86  N/A  N/A  N/A  1.0      Yes  68PLCC4.10 | 1ku  Dual UART with 16-Byte FIFOs & Parallel Port  
TL16C552AACTIVE  5  2  16  No / 4 Levels  Yes  Catalog  X86  N/A  N/A  N/A  1.0      Yes  68PLCC
80LQFP		3.60 | 1ku  Dual UART with 16-Byte FIFOs & Parallel Port  
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