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843021AGLFT - Renesas Electronics

Description: The 843021 is a Gigabit Ethernet Clock Generator. The 84302 uses a 25MHz crystal to synthesize 125MHz. The 843021has excellent phase jitter performance, over the 1.875MHz – 20MHz integration range. The 843021is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.

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843021AGLFT - Renesas Electronics - PCB symbol
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PCB Footprints
843021AGLFT - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - G SUFFIX FOR 8 LEAD TSSOP_2021
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843021AGLFT - Renesas Electronics - 3D model - Small Outline Packages - G SUFFIX FOR 8 LEAD TSSOP_2021
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843021AGLFT Details

  • Manufacturer Part Number:

    843021AGLFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    PGG8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • 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:

    140 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:

    40 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    85 mA

  • Supply Voltage-Max:

    3.63 V

  • Supply Voltage-Min:

    2.97 V

  • Supply Voltage-Nom:

    3.3 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

843021AGLFT Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) documents, which can be found on their website. The guide includes thermal vias, copper pours, and other layout considerations to ensure optimal thermal performance.
  • Renesas recommends a specific power sequencing scheme to ensure proper device operation. This information can be found in the device's user manual or application notes. Typically, the sequence involves powering up the core voltage (VCC) before the input/output voltage (VIO).
  • Renesas recommends using high-quality, low-ESR decoupling capacitors with a value of 0.1uF to 1uF, placed as close as possible to the device's power pins. The exact capacitor values and placement can be found in the device's datasheet or application notes.
  • Renesas provides guidelines for JTAG interface handling during production testing in their device's user manual or application notes. This may include specific voltage and signal requirements, as well as recommended test equipment and procedures.
  • Renesas provides thermal design guidelines and thermal models for the 843021AGLFT in their datasheet and application notes. Engineers should consider factors such as junction temperature, thermal resistance, and airflow when designing for high-temperature environments.

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843021AGLFT Overview

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