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XR16C2850

Dual UART with TX and RX FIFO Counters, 128-Bytes FIFO and Automatic RS-485 Half Duplex Control; ·Added feature in devices with a top mark date code of \"F2 YYWW\" and newer:·5V tolerant inputs·0 ns address hold time (TAH)\n·Pin-to-pin compatible and functionally compatible to Exar’s ST16C2550 and XR16L2750 and TI’s TL16C752B in the 48-TQFP package·Pin-alike Exar’s XR16L2750 and ST16C2550 48-TQFP package but with additional CLK8/16, CLKSEL and HDCNTL inputs·Two independent UART channels·Register set compatible to 16C550·Up to 6.25 Mbps at 5V, and 4 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·Auto RS-485 Half-duplex Direction Control·Wireless Infrared (IrDA 1.0) Encoder/Decoder·Full modem interface\n·Device Identification and Revision·Crystal oscillator or external clock input·Industrial and commercial temperature ranges·48-TQFP and 44-PLCC packages·Pb-Free, RoHS Compliant Versions Offered\n;

The XR16C2850 (2850) is an enhanced dual universal asynchronous receiver and transmitter (UART). Enhanced features include 128 bytes of TX and RX FIFOs, programmable TX and RX FIFO trigger level, FIFO level counters, automatic (RTS/CTS) hardware and (Xon/Xoff) software flow control, automatic RS-485 half duplex direction control output and data rates up to 6.25 Mbps at 5V and 8X sampling clock. Onboard status registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnostics. The 2850 has a full modem interface and can operate at 2.97V to 5.5V and is pin-to-pin compatible to Exar’s ST16C2550 and XR16L2750 except the 48-TQFP package. The 2850 register set is compatible to the industry standard ST16C2550 and is available in 48-pin TQFP and 44-pin PLCC packages.\nFor UART technical support or to obtain an IBIS model for this product, please email Exar's UART Technical Support group.\n

XR16C2850

2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS

XR16C2850

3.3V AND 5V DUART WITH 128-BYTE FIFO

XR16C2850_05

2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS

XR16C2850CJ

DUAL UART WITH 128-byte FIFO?? AND RS-485 HALF DUPLEX CONTROL

XR16C2850CJ

2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS

XR16C2850CJ44

3.3V AND 5V DUART WITH 128-BYTE FIFO

XR16C2850CM

DUAL UART WITH 128-byte FIFO?? AND RS-485 HALF DUPLEX CONTROL

XR16C2850CM

2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS

XR16C2850CM48

3.3V AND 5V DUART WITH 128-BYTE FIFO