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83940DYI-01LF - Renesas Electronics

Description: The 83940I-01 is a low skew, 1-to-18 LVPECL-to-LVCMOS/ LVTTL Fanout Buffer. The 83940I-01 has two selectable clock inputs. The PCLK, nPCLK pair can accept LVPECL or SSTL input levels. The single-ended clock input accepts LVCMOS or LVTTL input levels. The 83940I-01 is characterized at full 3.3V, full 2.5V and mixed 3.3V input and 2.5V output operating supply modes. Guaranteed output and part-to-part skew characteristics make the 83940I-01 ideal for those clock distribution applications demanding well defined

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83940DYI-01LF - Renesas Electronics - PCB symbol
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PCB Footprints
83940DYI-01LF - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 32-pin TQFP
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3D Models
83940DYI-01LF - Renesas Electronics - 3D model - Quad Flat Packages - 32-pin TQFP
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83940DYI-01LF Details

  • Manufacturer Part Number:

    83940DYI-01LF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Package Description:

    LQFP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    PRG32

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

83940DYI-01LF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN4301EU0101) which includes thermal design considerations, such as thermal vias, copper pours, and component placement.
  • Renesas recommends a specific power sequencing scheme in their application note (R01AN4301EU0101) to ensure proper device operation. This includes powering up the VCC and VDD pins in a specific order and within a certain time frame.
  • Renesas recommends using high-frequency, low-ESR capacitors (e.g., 100nF, 1uF, and 10uF) with a voltage rating of 2.5V or higher, placed as close as possible to the device's power pins.
  • Renesas provides an I2C troubleshooting guide in their application note (R01AN4301EU0101) which includes steps to verify the I2C bus configuration, clock frequency, and data transmission.
  • The 83940DYI-01LF is rated for operation from -40°C to +125°C (junction temperature), but the recommended operating temperature range is -20°C to +85°C for optimal performance and reliability.

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83940DYI-01LF Overview

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