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844071AGLF - Renesas Electronics

Description: The 844071 is a Serial ATA (SATA)/Serial Attached SCSI (SAS) Clock Generator and a member of the family of high performance devices from IDT. The 844071 uses an 18pF parallel resonant crystal over the range of 20.833MHz - 28.3MHz. For SATA/SAS applications, a 25MHz crystal is used and either 75MHz or 150MHz may be selected with the FREQ_SEL pin. The 844071 has excellent <1ps phase jitter performance, over the 900kHz - 7.5MHz integration range. The 844071 is packaged in a small 8-pin TSSOP, making it ideal f

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844071AGLF - Renesas Electronics - PCB symbol
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PCB Footprints
844071AGLF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PGG 8
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844071AGLF - Renesas Electronics - 3D model - Small Outline Packages - PGG 8
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844071AGLF Details

  • Manufacturer Part Number:

    844071AGLF

  • 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

  • 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:

    28.3 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    135 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

844071AGLF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AN1844) for the 844071AGLF, which includes thermal design considerations and layout recommendations for optimal heat dissipation.
  • Renesas recommends following the thermal design guidelines and ensuring the device is operated within the specified temperature range (–40°C to +125°C). Additionally, consider using thermal interface materials and heat sinks to improve heat dissipation.
  • Renesas recommends using a minimum of 2-3 decoupling capacitors (10nF to 100nF) placed close to the device, with a total capacitance of at least 100nF. The capacitors should be rated for high-frequency operation and have a low equivalent series resistance (ESR).
  • Renesas recommends following a controlled power-up and power-down sequence to prevent damage to the device. The recommended sequence is: VCC, then VDD, and finally VREF. The voltage ramp-up and ramp-down rates should be limited to 10mV/μs to prevent damage.
  • Renesas recommends implementing ESD protection using TVS (Transient Voltage Suppressor) diodes or ESD protection arrays, which should be placed close to the device. The protection devices should be rated for the maximum expected voltage and current surges.

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844071AGLF Overview

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