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844021BGI-01LF - Renesas Electronics

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

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844021BGI-01LF - Renesas Electronics - PCB symbol
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844021BGI-01LF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8-TSSOP Package Outline Drawing_J
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844021BGI-01LF - Renesas Electronics - 3D model - Small Outline Packages - 8-TSSOP Package Outline Drawing_J
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844021BGI-01LF Details

  • Manufacturer Part Number:

    844021BGI-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:

    85 °C

  • Operating Temperature-Min:

    -40 °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

  • Temperature Grade:

    INDUSTRIAL

  • 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

844021BGI-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 following the power sequencing and voltage regulation guidelines outlined in the datasheet. A dedicated power management IC (PMIC) or a discrete voltage regulator can be used to ensure proper power sequencing and voltage regulation.
  • The recommended operating conditions are outlined in the datasheet. For over-voltage and under-voltage conditions, it's recommended to use voltage monitoring and protection circuits, such as a voltage supervisor or a reset IC, to ensure the device operates within the specified voltage range.
  • Renesas recommends following the clocking and CDC guidelines outlined in the datasheet. A dedicated clock generator or a clock distribution network can be used to ensure proper clocking and CDC.
  • Renesas recommends following the EMI and EMC design guidelines outlined in the datasheet. A shielded enclosure, proper grounding, and decoupling capacitors can help minimize EMI and ensure EMC compliance.

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844021BGI-01LF Overview

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