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9DML2855NDGI - Renesas Electronics

Description: The 9DML2855 is a 2-input, 8-output clock multiplexer supporting PCIe Gen1–5 and DB2000Q applications. The device supports complex clock architecture like CC, SRIS and SRNS while providing very low additive jitter.  Flexible Power Sequencing (FPS) ensures well-defined behavior under various power-up scenarios, while Power Down Tolerant (PDT) ESD protection on all input pins allows input pins to be driven before VDD is applied. The 9DML2855 also features OE# pin for each output supports PCIe CLKREQ# function

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9DML2855NDGI - Renesas Electronics PCB footprint - Other - Other - 9DML2855NDGI-2
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9DML2855NDGI - Renesas Electronics  - 3D model - Other - 9DML2855NDGI-2
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9DML2855NDGI Details

  • Manufacturer Part Number:

    9DML2855NDGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    VFQFPN

  • Package Description:

    VFQFPN-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    NDG48P2

  • Country Of Origin:

    Thailand

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Family:

    9DML

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    S-PQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Logic IC Type:

    PLL BASED CLOCK DRIVER

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Number of True Outputs:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.24SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TRAY

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    63 mA

  • Prop. Delay@Nom-Sup:

    4 ns

  • Propagation Delay (tpd):

    4 ns

  • Same Edge Skew-Max (tskwd):

    0.05 ns

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    3.465 V

  • Supply Voltage-Min (Vsup):

    3.135 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    6 mm

  • fmax-Min:

    0.4 MHz

9DML2855NDGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN4393EJ0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
  • Renesas recommends following the thermal design guidelines, using a heat sink, and ensuring good airflow around the device. Additionally, the device has built-in thermal protection, which will shut down the device if the junction temperature exceeds 150°C.
  • Although the datasheet specifies the recommended operating conditions, the absolute maximum rating for the input pins is 5.5V, which is not explicitly stated in the datasheet. Exceeding this voltage may cause permanent damage to the device.
  • Renesas provides a troubleshooting guide in their application note (R01AN4394EJ0100) which covers common issues with the internal oscillator, such as incorrect clock frequency, and provides guidance on how to debug and resolve these issues.
  • Renesas recommends a specific power-up sequence to ensure proper device operation. The sequence is: VCC, then VDD, and finally the input signals. This sequence helps prevent latch-up and ensures reliable operation.

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