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8735AY-31LF - Renesas Electronics

Description: The 8735-31 is a highly versatile 1:5 Differential -to-3.3V LVPECL Clock Generator. The 8735-31 has a fully integrated PLL and can be configured as zero delay buffer, multiplier or divider, and has an output frequency range of 15.625MHz to 350MHz. The reference divider, feedback divider and output divider are each programmable, thereby allowing for the following output-to-input frequency ratios: 8:1, 4:1, 2:1, 1:1, 1:2, 1:4, 1:8. The external feedback allows the device to achieve "zero delay" between the in

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8735AY-31LF - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 8735AY-31LF
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8735AY-31LF Details

  • Manufacturer Part Number:

    8735AY-31LF

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Pin Count:

    32

  • Manufacturer Package Code:

    PRG32

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    3

  • Peak Reflow Temperature (Cel):

    260

  • Terminal Finish:

    Tin (Sn)

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, OTHER

8735AY-31LF Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APL-AN-114) for the 8735AY-31LF, which includes thermal vias, thermal pads, and heat sink recommendations to ensure optimal thermal performance.
  • The 8735AY-31LF has an internal overcurrent protection (OCP) feature that can be enabled by setting the OCP threshold through the I2C interface. Additionally, external overcurrent protection circuits can be implemented using sense resistors and comparators to detect overcurrent conditions.
  • Renesas recommends using a 10uF to 22uF ceramic capacitor with an X5R or X7R dielectric as the input capacitor for the 8735AY-31LF. The capacitor should be placed as close as possible to the VIN pin to minimize noise and ensure stable operation.
  • The 8735AY-31LF has a low-power mode that can be enabled by setting the PMODE pin to a logic low state. Additionally, the device can be configured for low-power mode operation through the I2C interface by setting the appropriate registers. Refer to the datasheet for specific register settings and PMODE pin configuration.
  • The 8735AY-31LF has an operating temperature range of -40°C to +125°C, making it suitable for automotive and industrial applications that require high reliability and temperature tolerance.

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8735AY-31LF Overview

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