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8P34S1212NLGI8 - Renesas Electronics

Description: The 8P34S1212 is a high-performance differential LVDS fanout buffer. The device is designed for the fanout of 1PPS signals or high-frequency, very low additive phase-noise clock and data signals. The 8P34S1212 supports fail-safe operation and is characterized to operate from a 1.8V or 2.5V power supply. Guaranteed output-to-output and part-to-part skew characteristics make the 8P34S1212 ideal for those clock distribution applications demanding well-defined performance and repeatability. Two selectable diffe

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8P34S1212NLGI8 - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40-Lead VFQFN
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8P34S1212NLGI8 - Renesas Electronics  - 3D model - Quad Flat No-Lead - 40-Lead VFQFN
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8P34S1212NLGI8 Details

  • Manufacturer Part Number:

    8P34S1212NLGI8

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    VFQFPN

  • Pin Count:

    40

  • Manufacturer Package Code:

    NLG40P2

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2020-09-08

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES AT 2.5V SUPPLY

  • Family:

    8P34

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Number of True Outputs:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    227 mA

  • Prop. Delay@Nom-Sup:

    0.45 ns

  • Propagation Delay (tpd):

    0.45 ns

  • Same Edge Skew-Max (tskwd):

    0.045 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

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

8P34S1212NLGI8 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application notes (e.g., AN9834) and evaluation board documentation. It's essential to follow these guidelines to ensure proper signal integrity, power supply decoupling, and thermal management.
  • The 8P34S1212NLGI8 is a highly configurable device. To set a specific clock frequency, refer to the device's register map and programming guide (e.g., Section 5 of the datasheet). You'll need to program the appropriate registers to configure the clock source, divider, and multiplier settings.
  • The 8P34S1212NLGI8 has a maximum junction temperature (Tj) of 150°C. To ensure reliable operation, it's essential to provide adequate heat sinking, such as a thermal pad or heat sink, and to follow proper PCB thermal design guidelines. Renesas provides thermal resistance values (θJA and θJC) in the datasheet to help with thermal design calculations.
  • For JTAG interface issues, check the JTAG signal integrity, ensure proper voltage levels, and verify the JTAG clock frequency. Also, consult the device's JTAG programming guide and application notes for troubleshooting tips and debugging techniques.
  • The 8P34S1212NLGI8 has specific power sequencing requirements to ensure proper device operation. Refer to the datasheet's power-up and power-down sequencing diagrams, and ensure that the power supply rails are properly sequenced and decoupled.

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