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XR16L2551IL

UART Interface IC UART

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SeekIC No. : 00400992 Detail

XR16L2551IL: UART Interface IC UART

XR16L2551IL Data Sheet

floor Price/Ceiling Price

US $ 2.96~3.39 / Piece | Get Latest Price
Part Number:
XR16L2551IL
Mfg:
Exar
Supply Ability:
5000

Price Break

  • Qty
  • 0~307
  • 307~500
  • Unit Price
  • $3.39
  • $2.96
  • Processing time
  • 15 Days
  • 15 Days
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Total Cost: $ 0.00

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Upload time: 2024/4/19

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Product Details

Quick Details

Package / Case : QFN-32    

Description

Number of Channels :
Data Rate :
Supply Voltage - Max :
Supply Voltage - Min :
Supply Current :
Maximum Operating Temperature :
Minimum Operating Temperature :
Packaging :
Package / Case : QFN-32


Features:

•2.25 to 5.5 Volt Operation
•5 Volt Tolerant Inputs
•Intel or Motorola Bus Interface Select (16/68#) pin
•Pin-to-pin compatible to XR16L2751CM
•Two Independent UARTs
Up to 3.125 Mbps at 5V, 2 Mbps at 3.3V, and 1 Mbps at 2.5V with external clock input
Up to 1.5 Mbps at 5V, 1.25 Mbps at 3.3V and 1 Mbps at 2.5V with crystal clock input
16 bytes of Transmit and Receive FIFOs
Automatic RTS/CTS hardware flow control
Automatic Xon/Xoff software flow control
Wireless infrared encoder/decoder
Receive FIFO trigger levels select
Programmable character lengths (5, 6, 7 or 8) with even, odd, forced or no parity
Full Modem Interface (CTS#, RTS#, DSR#, DTR#, RI#, CD#) in the 48-TQFP package
•Sleep Mode with PowerSave feature for battery operation
•Industrial Temperature range
•Tiny 32-QFN, no lead package (5x5x0.9mm)
•48-TQFP Package


Application

•Battery Operated Instruments
•Data Port Adapters
•Handheld Appliances
•Radio Frequency Data Modems
•Base Stations
•USB Hubs
•Industrial Automation Controls


Pinout

Connection Diagram


Specifications

Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation		 7 Volts
GND-0.3 V to +5.5 V
-40o to +85
-65o to +150
500 mW



Description

The XR16L2551IL (L2551) is a low voltage dual universal asynchronous receiver and transmitter (UART) with 5 Volt tolerant inputs. The device includes additional capability over the ST16C2550: Intel and Motorola data bus interface selection, hardware and software flow control, infrared encoder/decoder, sleep mode and a PowerSave mode for battery operation. The L2551's enhanced register set is compatible to the ST16C2550 and XR16L2551IL. It supports the Exar's enhanced features of 16 bytes of TX and RX FIFOs and a complete modem interface. Onboard registers provide the user with operational status and data error tags. An internal loopback capability allows onboard  iagnostics. Independent programmable baud rate generator is provided in each channel to support data rates up to 3.125 Mbps.

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




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