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8543BGLFT - Renesas Electronics

Description: The 8543 is a low skew, high performance 1-to-4 Differential-to-LVDS Clock Fanout Buffer. Utilizing Low Voltage Differential Signaling (LVDS) the 8543 provides a low power, low noise, solution for distributing clock signals over controlled impedances of 100?. The 8543 has two selectable clock inputs. The CLK, nCLK pair can accept most standard differential input levels. The PCLK, nPCLK pair can accept LVPECL, CML, or SSTL input levels. The clock enable is internally synchronized to eliminate runt pulses on

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PCB Footprints
8543BGLFT - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PGG20
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3D Models
8543BGLFT - Renesas Electronics  - 3D model - Small Outline Packages - PGG20
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8543BGLFT Details

  • Manufacturer Part Number:

    8543BGLFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    PGG20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Family:

    8543

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Logic IC Type:

    LOW SKEW CLOCK DRIVER

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Number of True Outputs:

    4

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    50 mA

  • Prop. Delay@Nom-Sup:

    2.6 ns

  • Propagation Delay (tpd):

    2.6 ns

  • Same Edge Skew-Max (tskwd):

    0.04 ns

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    3.465 V

  • Supply Voltage-Min (Vsup):

    3.135 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

  • fmax-Min:

    800 MHz

8543BGLFT Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide for the 8543BGLFT, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance. Contact Renesas support for more information.
  • The 8543BGLFT has an internal overcurrent protection feature, but it's recommended to implement an external overcurrent protection circuit to ensure reliable operation. Renesas provides application notes and reference designs for overcurrent protection implementation.
  • The recommended power-up sequence for the 8543BGLFT is to power up the VCC pin first, followed by the VDD pin. This ensures proper internal biasing and prevents damage to the device. Refer to the datasheet for more information.
  • Renesas provides an I2C interface troubleshooting guide that covers common issues, such as bus contention, clock stretching, and data corruption. Additionally, Renesas support can provide further assistance with debugging I2C interface issues.
  • The 8543BGLFT has an operating temperature range of -40°C to 125°C, but it's recommended to operate within the specified temperature range for the specific application to ensure reliable operation and prevent thermal-related issues.

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