XR17L154

Features: · High Performance Quad UART· PCI Bus 2.2 Target Interface Compliance· 3.3 Volt PCI Bus Compliant up to 33 MHz Clock· 5 Volt Tolerant Serial Inputs· 32-bit PCI Bus Interface with EEPROM Interface· A Global Interrupt Source Register for all 4 UARTs· Data Transfer in Byte, Word and Double-...

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XR17L154 Picture
SeekIC No. : 004549232 Detail

XR17L154: Features: · High Performance Quad UART· PCI Bus 2.2 Target Interface Compliance· 3.3 Volt PCI Bus Compliant up to 33 MHz Clock· 5 Volt Tolerant Serial Inputs· 32-bit PCI Bus Interface with EEPROM In...

floor Price/Ceiling Price

Part Number:
XR17L154
Supply Ability:
5000

Price Break

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

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Upload time: 2024/3/28

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Product Details

Description



Features:

· High Performance Quad UART
· PCI Bus 2.2 Target Interface Compliance
· 3.3 Volt PCI Bus Compliant up to 33 MHz Clock
· 5 Volt Tolerant Serial Inputs
· 32-bit PCI Bus Interface with EEPROM Interface
· A Global Interrupt Source Register for all 4 UARTs
· Data Transfer in Byte, Word and Double-word
· Data Read/Write Burst Operation
· Each UART is independently Controlled with:
·16C550 Compatible 5G (Fifth Gen) Register Set
·64-byte Transmit and Receive FIFOs
·Transmit and Receive FIFO Level Counters
·Automatic RTS/CTS or DTR/DSR Flow Control
·Automatic Xon/Xoff Software Flow Control
·Automatic RS485 Half-duplex Control Output with
   Selectable Turn-around Delay (0 to 15 bit-times)
·Infrared (IrDA 1.0) Data Encoder/Decoder
·Programmable Data Rate with Prescaler
·Up to 4 Mbps Serial Data Rate at 8X
· Eight Multi-Purpose Inputs/outputs
· General Purpose 16-bit Timer/Counter
· Sleep Mode with Automatic Wake-up
· Same Package and Pin-out as the XR17C158,
    XR17D158, XR17C154 and XR17D154 UARTs



Application

· Remote Access Servers
· Ethernet Network to Serial Ports
· Network Management
· Factory Automation and Process Control
· Point-of-Sale Systems
· Multi-port RS-232/RS-422/RS-485 Cards



Pinout

  Connection Diagram


Specifications

Power Supply Range 4 Volts
Voltage at Any Pin -0.5 to 4V
Operating Temperature -40o to +85
Storage Temperature -65o to +150
Package Dissipation 500 mW
Thermal Resistance (20x20x1.0mm 144-TQFP) theta-ja = 42, theta-jc = 8 /W



Description

The XR17L1541 (L154) is a quad PCI Bus Universal Asynchronous Receiver and Transmitter (UART) with same package and pin-out as the Exar XR17C158 octal UART. The device is designed to meet today's 32-bit PCI Bus and high bandwidth requirement in communication systems. The global interrupt source register provides a complete interrupt status indication for all 4 channels to speed up interrupt parsing. Each UART is independently controlled and has its own 16C550 compatible 5G register set, transmit and receive FIFOs of 64 bytes, fully programmable transmit and receive FIFO trigger levels, transmit and receive FIFO level counters, automatic hardware flow control with programmable hysteresis, automatic software (Xon/Xoff) flow control, IrDA (Infrared Data Association) encoder/ decoder, 8 multi-purpose definable inputs/outputs, and a 16-bit general purpose timer/counter.

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




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