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XR16V2751

Features: •2.25 to 3.6 Volt Operation•5 Volt Tolerant Inputs•Pin-to-pin compatible to Exar's XR16L2751 in the 48-TQFP package•Two independent UART channelsRegister set identical to 16L2751Data rate of up to 8 Mbps at at 3.3 V, and 4 Mbps at 2.5 V with 8X sampling rateFracti...

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SeekIC No. : 004549211 Detail

XR16V2751: Features: •2.25 to 3.6 Volt Operation•5 Volt Tolerant Inputs•Pin-to-pin compatible to Exar's XR16L2751 in the 48-TQFP package•Two independent UART channelsRegister set identi...

XR16V2751 Data Sheet

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Part Number:
XR16V2751
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

•2.25 to 3.6 Volt Operation
•5 Volt Tolerant Inputs
•Pin-to-pin compatible to Exar's XR16L2751 in the 48-TQFP package
•Two independent UART channels
Register set identical to 16L2751
Data rate of up to 8 Mbps at at 3.3 V, and 4 Mbps at 2.5 V with 8X sampling rate
Fractional Baud Rate Generator
Transmit and Receive FIFOs of 64 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 via RTS#
Wireless Infrared (IrDA 1.0) Encoder/Decoder
Automatic sleep mode with wake-up interrupt
Full modem interface
•PowerSave Feature reduces sleep current to 15 A
•Device Identification and Revision
•Crystal oscillator (up to 32MHz) or external clock (upto 64MHz) input
•48-TQFP package




Application

•Portable Appliances
•Telecommunication Network Routers
•Ethernet Network Routers
•Cellular Data Devices
•Factory Automation and Process Controls




Pinout

Connection Diagram




Specifications

Specifications
CH 2
CPUInterface Intel or Motorola
Data Rate@5/3.3/2.5V na/8/6.25
Tx/RxFIFO(Bytes) 64/64
Tx/RxFIFOCtrs Yes
Tx/RxFIFOINT Trig Program/ Program
AutoRTS/CTS Yes
IrDaSup Yes
5VTolInputs Yes
Sup V 2.25-3.6
Pkgs TQFP-48


Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
7 Volts
GND-0.3V to 7V
-40o to +85
-65o to +150
500 mW





Description

Description

The XR16V27511 (V2751) is a high performance dual universal asynchronous receiver and transmitter (UART) with 64 byte TX and RX FIFOs. The device operates from 2.25 to 3.6 volts with 5 Volt tolerant inputs and is pin-to-pin and software compatible to Exar's XR16L2751. The device includes 2 additional capabilities over the XR16V2751: Intel and Motorola data bus selection and a "PowerSave" mode to further reduce sleep current to a minimum during sleep mode. It supports the Exar's enhanced features of programmable FIFO trigger level and FIFO level counters, automatic hardware (RTS/CTS) and software flow control, automatic RS-485 half duplex direction control output and a complete modem interface. An internal loopback capability allows system diagnostics. Independent programmable fractional baud rate generators are provided in each channel to select data rates up to 8 Mbps at 3.3 Volt and 8X sampling clock. The XR16V2751 is available in a 48-pin TQFP package.

For UART technical support or to obtain an IBIS model for this product, please email Exar's UART Technical Support group.

NOTE: 1Covered by U.S. Patent #5,649,122 and #5,949,787

For UART technical support or to obtain an IBIS model for this product, please email Exar's UART Technical Support group.






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