5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs

  • Archived
  • This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.

Product Details


  • 4 channel UART
  • 5 V, 3.3 V and 2.5 V operation
  • Pin compatible with SC16C654IA68, TL16C754, and SC16C554IA68 with additional enhancements, and software compatible with TL16C754
  • Up to 5 Mbit/s data rate (at 3.3 V and 5 V; at 2.5 V maximum data rate is 3 Mbit/s)
  • 5 V tolerant on input only pins
  • 64-byte transmit FIFO
  • 64-byte receive FIFO with error flags
  • Industrial temperature range (-40 Cel to +85 Cel)
  • Programmable and selectable transmit and receive FIFO trigger levels for DMA and interrupt generation
  • Software (Xon/Xoff)/hardware (RTS/CTS) flow control
    • Programmable Xon/Xoff characters
    • Programmable auto-RTS and auto-CTS
  • Optional data flow resume by Xon any character
  • DMA signalling capability for both received and transmitted data
  • Supports 5 V, 3.3 V and 2.5 V operation
  • Software selectable baud rate generator
  • Prescaler provides additional divide-by-4 function
  • Fast data bus access time
  • Programmable Sleep mode
  • Programmable serial interface characteristics
    • 5, 6, 7, or 8-bit characters
    • Even, odd, or no-parity bit generation and detection
    • 1, 1.5, or 2 stop bit generation
  • False start bit detection
  • Complete status reporting capabilities in both normal and Sleep mode
  • Line break generation and detection
  • Internal test and loopback capabilities
  • Fully prioritized interrupt system controls
  • Modem control functions (CTS, RTS, DSR, DTR, RI, and CD)
  • Sleep mode

Part numbers include: SC16C754BIB80, SC16C754BIBM, SC16C754BIA68.


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