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542MLF - Renesas Electronics

Description: The 542 is cost effective way to produce a high-quality clock output divided from a clock input. The chip accepts a clock input up to 156 MHz at 3.3 V and produces a divide by 2, 4, 6, 8, 12, or 16 of the input clock. There are two outputs on the chip, one being a low-skew divide by two of the other. For instance, if an 100 MHz input clock is used, the 542 can produce low-skew 50 MHz and 25 MHz clocks, or low skew 25 MHz and 12.5 MHz clocks. The chip has an all-chip power-down mode that stops the outputs lo

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542MLF - Renesas Electronics - PCB symbol
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542MLF - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - dcg8--3
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542MLF Details

  • Manufacturer Part Number:

    542MLF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Manufacturer Package Code:

    DCG8

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Family:

    542

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.025 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Number of True Outputs:

    2

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    15 ns

  • Propagation Delay (tpd):

    15 ns

  • Qualification Status:

    Not Qualified

  • Same Edge Skew-Max (tskwd):

    0.5 ns

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

542MLF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN2732EU0100) which includes thermal vias, thermal pads, and heat sink recommendations to ensure optimal thermal performance.
  • Renesas recommends a specific power sequencing scheme in their application note (R01AN2732EU0100) to ensure proper device operation. The sequence involves powering up the VCC, VCCIO, and VREF pins in a specific order.
  • Although the datasheet specifies the recommended operating conditions, it's essential to note that the maximum allowed voltage on the I/O pins is VCCIO + 0.3V, as stated in the Renesas application note (R01AN2732EU0100).
  • Renesas provides a JTAG interface for debugging and testing purposes. During production testing, it's recommended to use a JTAG adapter and follow the guidelines outlined in the Renesas application note (R01AN2732EU0100) to avoid damaging the device.
  • Renesas recommends implementing EMI and ESD protection measures, such as using EMI filters, shielding, and ESD protection devices, to ensure reliable operation and prevent damage to the device. Refer to the Renesas application note (R01AN2732EU0100) for more information.

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542MLF Alternates

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Part Image 542MLFT Integrated Device Technology Inc

Low Skew Clock Driver, 542 Series, 2 True Output(s), 0 Inverted Output(s), CMOS, PDSO8
Part Image ICS542MILF Integrated Device Technology Inc

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Part Image 542M Integrated Device Technology Inc

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Part Image 542MIT Integrated Device Technology Inc

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Part Image 542MT Integrated Device Technology Inc

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For a full list of alternate parts for 542MLF, check out Findchips.com