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557GI-08LFT - Renesas Electronics

Description: The 557-08 is a 2:1 multiplexer chip that allows the user to select one of the two HCSL (Host Clock Signal Level) input pairs and fans out to one pair of differential HCSL or LVDS outputs. This chip is suited especially for PCI-Express applications, where there is a need to select the PCI-Express clock either locally from the PCI-E card or from the motherboard.

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557GI-08LFT - Renesas Electronics - PCB symbol
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PCB Footprints
557GI-08LFT - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 16-pin TSSOP.-2
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3D Models
557GI-08LFT - Renesas Electronics - 3D model - Small Outline Packages - 16-pin TSSOP.-2
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557GI-08LFT Details

  • Manufacturer Part Number:

    557GI-08LFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    PGG16

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • JESD-609 Code:

    e3

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Moisture Sensitivity Level:

    1

  • Terminal Finish:

    Tin (Sn)

557GI-08LFT Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN2732EU0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
  • Renesas recommends using an external overcurrent protection circuit, such as a fuse or a dedicated overcurrent protection IC, to prevent damage to the device. The datasheet provides guidelines for selecting the appropriate protection components.
  • While the datasheet specifies an operating temperature range of -40°C to 125°C, Renesas recommends operating the device within a range of -20°C to 85°C for optimal performance and reliability.
  • Renesas provides EMC design guidelines in their application note (R01AN2732EU0100), which includes recommendations for PCB layout, component selection, and shielding to minimize electromagnetic interference.
  • Renesas recommends a power-up sequence that ensures the device's internal voltage regulators are stabilized before the output voltage is enabled. The recommended sequence is: VCC, then VDD, and finally the output voltage.

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557GI-08LFT Overview

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