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QS32245PAG - Renesas Electronics

Description: The QS32245 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 QS32245 has 25 ohm series resistors to reduce ground bounce noise. The QS32245 operates at -40C to +85C.

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QS32245PAG - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 20pin tssop-+-
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QS32245PAG - Renesas Electronics  - 3D model - Small Outline Packages - 20pin tssop-+-
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QS32245PAG Details

  • Manufacturer Part Number:

    QS32245PAG

  • 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

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    CBT/FST/QS/5C/B

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Load Capacitance (CL):

    50 pF

  • 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 WITH SERIES RESISTOR

  • Output Polarity:

    TRUE

  • 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:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    1.25 ns

  • Propagation Delay (tpd):

    1.25 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

QS32245PAG Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) documents, which can be found on their website. The guide includes layout considerations for signal integrity, power supply, and thermal management.
  • A reliable POR circuit can be implemented using an external voltage supervisor IC, such as the Renesas ISL88003, which provides a reset signal to the QS32245PAG during power-up and power-down sequences.
  • The QS32245PAG has a thermal pad on the bottom of the package, which should be connected to a thermal ground plane on the PCB to dissipate heat efficiently. Additionally, the device's thermal resistance (θJA) should be considered when designing the system's thermal management.
  • To ensure EMC compliance, follow Renesas' guidelines for PCB layout, component selection, and shielding. Additionally, consider using electromagnetic interference (EMI) filters and shielding on the PCB to reduce emissions and susceptibility.
  • Renesas provides test and measurement guidelines in their application notes and evaluation board documentation. These guidelines include recommendations for signal probing, power supply measurement, and thermal monitoring.

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QS32245PAG Overview

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Part Image QS32245PAG8 Renesas Electronics Corporation

Bus Driver, CBT/FST/QS/5C/B Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20