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XR16V2651

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 16V2650Data rate of up to 16 Mbps at 3.3 V, and 12.5 Mbps at 2.5 V with 4X sampling rateFract...

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SeekIC No. : 004549208 Detail

XR16V2651: 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...

XR16V2651 Data Sheet

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Part Number:
XR16V2651
Supply Ability:
5000

Price Break

  • 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 16V2650
Data rate of up to 16 Mbps at 3.3 V, and 12.5 Mbps at 2.5 V with 4X sampling rate
Fractional Baud Rate Generator
Transmit and Receive FIFOs of 32 bytes
Selectable TX and RX FIFO Trigger Levels
Automatic Hardware (RTS/CTS) Flow Control
Automatic Software (Xon/Xoff) Flow Control
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 (up to 64MHz) input
•48-TQFP and 32-QFN packages




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/16/12.5
Tx/RxFIFO(Bytes) 32/32
Tx/RxFIFOCtrs No
Tx/RxFIFOINT Trig 4 Levels/ 4 Levels
AutoRTS/CTS Yes
IrDaSup Yes
5VTolInputs Yes
Sup V 2.25-3.6
Pkgs TQFP-48, QFN-32


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




Description



The XR16V26511 (V2651) is a high performance dual universal asynchronous receiver and transmitter (UART) with 32 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 XR16V2551 and XR16L2551. The device includes 2 additional capabilities over the XR16V2650: Intel and Motorola data bus selection and a "PowerSave" mode to further reduce sleep current to a minimum during sleep mode. XR16V2651 supports the Exar's enhanced features of selectable FIFO trigger level, automatic hardware (RTS/CTS) and software flow control, 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 16 Mbps at 3.3 Volt and 4X sampling clock. The V2651 is available in 48-pin TQFP and 32-pin QFN packages.

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

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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