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8P79818NLGI - Renesas Electronics

Description: The device is intended to take 1 or 2 reference clocks, select between them, using a pin or register selection and generate up to 8 outputs that may be the same as the reference frequency or integer-divider versions of it.The 8P79818 supports two output banks, each with its own divider and power supply. All outputs in one bank would generate the same output frequency, but each output can be individually controlled for output type, output enable or even powered-off.The device supports a serial port for confi

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PCB Footprints
8P79818NLGI - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NLG32_1
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3D Models
8P79818NLGI - Renesas Electronics  - 3D model - Quad Flat No-Lead - NLG32_1
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8P79818NLGI Details

  • Manufacturer Part Number:

    8P79818NLGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    VFQFPN

  • Pin Count:

    32

  • Manufacturer Package Code:

    NLG32P1

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Additional Feature:

    ALSO OPERATES AT 2.5 V AND 3.3 V POWER SUPPLY

  • Family:

    8P79

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.005 A

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Number of True Outputs:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • 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):

    26 mA

  • Prop. Delay@Nom-Sup:

    4.7 ns

  • Propagation Delay (tpd):

    4.7 ns

  • Same Edge Skew-Max (tskwd):

    0.12 ns

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    1.89 V

  • Supply Voltage-Min (Vsup):

    1.71 V

  • Supply Voltage-Nom (Vsup):

    1.8 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

  • fmax-Min:

    700 MHz

8P79818NLGI Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern around the device.
  • Implement a robust power-on reset circuit, ensure a stable clock source, and use a reliable voltage regulator. Also, consider using a thermistor or thermocouple to monitor temperature and adjust system parameters accordingly.
  • Use a combination of ceramic and electrolytic capacitors (e.g., 100nF and 10uF) as close to the power pins as possible. Ensure the capacitors are rated for the maximum operating voltage and follow the recommended PCB layout guidelines.
  • Use a high-quality clock source, such as a crystal oscillator or a low-jitter clock generator. Implement a clock tree with minimal branches and use clock buffers or repeaters to reduce skew. Ensure the clock signal is properly terminated and routed.
  • The internal voltage regulator is designed to operate with a 1.8V or 3.3V output. Set the VREG_CTRL register to select the desired output voltage and enable the voltage regulator. Ensure the input voltage is within the recommended range (1.71V to 3.6V).

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