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48-Pin TQFP UART with 2 Channels and 128-byte FIFO


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Submit your quote request for XR16C2850IM using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of XR16C2850IM

When it comes to advanced features, the XR16C2850IM doesn't disappoint. It comes equipped with auto RTS/CTS flow control, which helps prevent data loss during transmission by ensuring that the receiving device can keep up with the data flow from the transmitting device. This feature is particularly useful in scenarios where data integrity is crucial, such as in industrial automation settings

Key Features

  • Added feature in devices with a top mark date code of "F2 YYWW" and newer:
  • 5V tolerant inputs
  • 0 ns address hold time (TAH)
  • Pin-to-pin compatible to Exar’s ST16C2552 and XR16L2752
  • Improved version of PC16C552
  • Two independent UART channels
  • Register set compatible to 16C550
  • Up to 3 Mbps at 5V, and 2 Mbps at 3.3V
  • Transmit and Receive FIFOs of 128 bytes
  • Programmable TX and RX FIFO Trigger Levels
  • Transmit and Receive FIFO Level Counters
  • Automatic Hardware (RTS/CTS) Flow Control
  • Selectable Auto RTS Flow Control Hysteresis
  • Automatic Software (Xon/Xoff) Flow Control
  • Automatic RS-485 Half-duplex Direction Control Output
  • Wireless Infrared (IrDA 1.0) Encoder/Decoder
  • Automatic sleep mode
  • Alternate Function Register
  • Device Identification and Revision
  • Crystal oscillator or external clock input
  • 2.97 to 5.5 volt operation
  • Industrial and commercial temperature ranges


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

ECCN (US) EAR99 Part Status Obsolete
Automotive No PPAP No
Number of Channels per Chip 2 Transmit FIFO (byte) 128
Receive FIFO (byte) 128 Maximum Data Rate 6.25Mbps
Transmitter and Receiver FIFO Counter Yes Standard Supported RS-232|RS-485
Process Technology CMOS Minimum Operating Supply Voltage (V) 2.97
Maximum Operating Supply Voltage (V) 5.5 Typical Operating Supply Voltage (V) 3.3|5
Maximum Supply Current (mA) 3 Maximum Power Dissipation (mW) 500
Minimum Operating Temperature (°C) -40 Maximum Operating Temperature (°C) 85
DMA Support Yes False Start Bit Detection Yes
Automatic Software Flow Control Yes Supplier Temperature Grade Industrial
Automatic Hardware Flow Control Yes Mounting Surface Mount
Package Height 1 Package Width 7
Package Length 7 PCB changed 48
Standard Package Name QFP Supplier Package TQFP
Pin Count 48 Lead Shape Gull-wing

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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