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844021BG-01LF - Renesas Electronics

Description: The 844021-01 is an Ethernet Clock Generator and a member of the family of high performance devices from IDT. The 844021-01 uses an 18pF parallel resonant crystal over the range of 24.5MHz – 34MHz. For Ethernet applications, a 25MHz crystal is used. The 844021-01 has excellent <1ps phase jitter performance, over the 1.875MHz – 20MHz integration range. The 844021-01 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.

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844021BG-01LF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PGG 8
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844021BG-01LF - Renesas Electronics  - 3D model - Small Outline Packages - PGG 8
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844021BG-01LF Details

  • Manufacturer Part Number:

    844021BG-01LF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Pin Count:

    8

  • Manufacturer Package Code:

    PGG8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES AT 3.3V SUPPLY

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Clock Frequency-Max:

    170 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    34 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    75 mA

  • Supply Voltage-Max:

    2.625 V

  • Supply Voltage-Min:

    2.375 V

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, OTHER

844021BG-01LF Frequently Asked Questions (FAQs)

  • Renesas provides a reference design guide for PCB layout and thermal management. It's recommended to follow the guidelines for optimal performance and thermal dissipation. Additionally, a thermal pad is recommended to improve heat dissipation.
  • Renesas recommends using a power management IC (PMIC) specifically designed for the 844021BG-01LF. The PMIC should be able to provide the required voltage rails and power sequencing. Renesas provides a recommended PMIC and power sequencing diagram in the datasheet.
  • The recommended operating conditions for the 844021BG-01LF are: temperature range of -40°C to 125°C, humidity of 5% to 95% RH, and vibration of 10G peak acceleration. However, it's recommended to consult the datasheet for specific operating conditions and derating guidelines.
  • Renesas provides a debugging guide and troubleshooting checklist for the 844021BG-01LF. It's recommended to use a logic analyzer or oscilloscope to capture signals and debug issues. Additionally, Renesas provides a support team and FAQs on their website for further assistance.
  • Renesas recommends following the EMI and EMC guidelines provided in the datasheet and application notes. It's essential to implement proper shielding, grounding, and filtering to minimize EMI and ensure EMC compliance.

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844021BG-01LF Overview

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