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557GI-03LF - Renesas Electronics

Description: The 557-03 is a spread spectrum clock generator that supports PCI-Express Gen 1 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce electromagnetic interference (EMI). The device provides two differential (HCSL) spread spectrum outputs. The spread type and amount are configured via select pin. Using IDT's patented Phase-Locked Loop (PLL) techniques, the device takes a 25 MHz crystal input and produces two pairs of differential outputs at 25 MHz, 100 MHz, 125 MHz

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557GI-03LF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 16 Lead TSSOP
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557GI-03LF - Renesas Electronics  - 3D model - Small Outline Packages - 16 Lead TSSOP
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557GI-03LF Details

  • Manufacturer Part Number:

    557GI-03LF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Manufacturer Package Code:

    PGG16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    200 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    25 MHz

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    65 mA

  • Supply Voltage-Max:

    3.63 V

  • Supply Voltage-Min:

    2.97 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, PROCESSOR SPECIFIC

557GI-03LF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern around the device.
  • Implement a robust thermal management system, including a heat sink and thermal interface material. Ensure good airflow and avoid hot spots.
  • Critical timing parameters include the clock frequency, clock duty cycle, and setup/hold times for the input signals. Refer to the datasheet for specific values.
  • Follow the recommended power-up and power-down sequences in the datasheet. Ensure a slow voltage ramp-up (typically 1-2 ms) and a controlled voltage ramp-down to prevent latch-up.
  • Use 0.1 μF to 1 μF decoupling capacitors with a voltage rating of 10-25 V, placed as close as possible to the device's power pins.

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557GI-03LF Overview

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