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QS3245QG8 - Renesas Electronics

Description: The QS3245 provides a set of eight high-speed CMOS TTL-compatible bus switches in a pinout compatible with 74FCT245, 74F245, 74ALS/AS/ LS245 8-bit transceivers. The low ON resistance of the QS3245 allows inputs to be connected to outputs without adding propagation delay and without generating additional ground bounce noise. The QS3245 operates at -40C to +85C.

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QS3245QG8 - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PCG20AD
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QS3245QG8 Details

  • Manufacturer Part Number:

    QS3245QG8

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QSOP

  • Pin Count:

    20

  • Manufacturer Package Code:

    PCG20

  • Country Of Origin:

    Taiwan

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Family:

    CBT/FST/QS/5C/B

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Logic IC Type:

    BUS DRIVER

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Propagation Delay (tpd):

    0.25 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9116 mm

QS3245QG8 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure that the thermal pad is connected to a large copper area on the PCB to dissipate heat efficiently.
  • Implement a robust power-on reset circuit, ensure a stable clock source, and use a reliable voltage regulator. Also, consider using a thermistor to monitor temperature and adjust system performance accordingly.
  • The external clock source should have a frequency of 12 MHz ± 100 ppm, with a duty cycle of 40-60%. The clock signal should have a rise and fall time of 5 ns or less, and a voltage swing of 2.5 V or more.
  • Use the built-in power management features, such as the low-power modes (LPM) and dynamic voltage and frequency scaling (DVFS). Also, consider using a low-power oscillator and optimizing the system's clock frequency and voltage.
  • Implement ESD protection diodes on all external pins, and consider using a TVS (transient voltage suppressor) device on the power supply lines. Also, ensure that the PCB design includes a solid ground plane and a low-impedance path to ground for ESD discharge.

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QS3245QG8 Overview

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Part Image IDTQS3245QG Integrated Device Technology Inc

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Part Image PI5C3245Q Pericom Semiconductor Corporation

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Part Image 74FST3245QS onsemi

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Part Image IDTQS3245Q Integrated Device Technology Inc

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