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XR16L2450 - 2.25V TO 5.5V DUART

Datasheet Summary

Description

The XR16L2450 (L2450) is a dual universal asynchronous receiver and transmitter (UART).

The XR16L2450 is an improved version of the ST16C2450 with lower operating voltage and 5 volt tolerant inputs.

The L2450 provides enhanced UART functions, a modem control interface and data rates up to 1.5 Mbps.

Features

  • 2.25 to 5.5 Volt Operation.
  • 5 Volt Tolerant Inputs.
  • Pin-to-pin compatible to Exar’s ST16C2450, ST16C2550, XR16C2850 TQFP package XR16L2550, XR16L2750 and.
  • Pin-to-pin compatible to TI’s TL16C752B on the 48.
  • 2 independent UART channels.
  • Portable Appliances.
  • Telecommunication Network Routers.
  • Ethernet Network Routers.
  • Cellular Data Devices.
  • Factory Automation and Process.

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Datasheet preview – XR16L2450

Datasheet Details

Part number XR16L2450
Manufacturer Exar Corporation
File Size 511.30 KB
Description 2.25V TO 5.5V DUART
Datasheet download datasheet XR16L2450 Datasheet
Additional preview pages of the XR16L2450 datasheet.

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Full PDF Text Transcription

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xr OCTOBER 2004 XR16L2450 2.25V TO 5.5V DUART REV. 1.1.0 GENERAL DESCRIPTION The XR16L2450 (L2450) is a dual universal asynchronous receiver and transmitter (UART). The XR16L2450 is an improved version of the ST16C2450 with lower operating voltage and 5 volt tolerant inputs. The L2450 provides enhanced UART functions, a modem control interface and data rates up to 1.5 Mbps. Onboard status registers provide the user with error indications and operational status. Independent programmable baud rate generators are provided to select transmit and receive clock rates up to 1.5 Mbps. An internal loopback capability allows onboard diagnostics. The L2450 is available in a 44pin PLCC and 48-pin TQFP packages. The L2450 is fabricated in an advanced CMOS process capable of operating from 2.
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