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8312AYLFT - Renesas Electronics

Description: The 8312 is a low skew, 1-to-12 LVCMOS/ LVTTL Fanout Buffer and a member of the family of High Performance Clock Solutions from IDT. The 8312 single-ended clock input accepts LVCMOS or LVTTL input levels. The low impedance LVCMOS outputs are designed to drive 50Ω series or parallel terminated transmission lines. The effective fanout can be increased from 12 to 24 by utilizing the ability of the outputs to drive two series terminated lines. The 8312 is characterized at full 3.3V, 2.5V, and 1.8V, mixed 3.3V/2

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8312AYLFT - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 8735AY-31LF
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8312AYLFT - Renesas Electronics  - 3D model - Quad Flat Packages - 8735AY-31LF
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8312AYLFT Details

  • Manufacturer Part Number:

    8312AYLFT

  • 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

  • Additional Feature:

    ALSO OPERATES AT 2.5V, 3.3V SUPPLY VOLTAGE

  • Family:

    8312

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Max I(ol):

    0.001 A

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Number of True Outputs:

    12

  • Operating Temperature-Max:

    85 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    10 mA

  • Prop. Delay@Nom-Sup:

    4.8 ns

  • Propagation Delay (tpd):

    4.8 ns

  • Same Edge Skew-Max (tskwd):

    0.15 ns

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max (Vsup):

    2 V

  • Supply Voltage-Min (Vsup):

    1.6 V

  • Supply Voltage-Nom (Vsup):

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • fmax-Min:

    250 MHz

8312AYLFT Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APL-AN-1201) which includes thermal design considerations, such as thermal vias, copper pours, and component placement, to ensure optimal thermal performance.
  • Renesas recommends using an external overcurrent protection circuit, such as a fuse or a dedicated overcurrent protection IC, to prevent damage to the device. The datasheet provides guidelines for selecting the appropriate overcurrent protection component.
  • Renesas recommends a specific power-up sequence to ensure proper device operation. The sequence involves powering up the VCC pin first, followed by the VDD pin, and then the input signals. The datasheet provides a detailed power-up sequence diagram.
  • Renesas provides an I2C troubleshooting guide in their application note (APL-AN-1202) which includes steps to identify and resolve common issues, such as bus contention, clock stretching, and data corruption.
  • The 8312AYLFT is rated for operation from -40°C to 125°C (TJ), but Renesas recommends derating the device for reliable operation above 85°C. The datasheet provides thermal derating curves for reference.

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