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74FCT621TSOG - Renesas Electronics

Description: The 74FCT621T is an octal transceiver with non-inverting Open- Drain bus compatible outputs in both send and receive directions. The B bus outputs are capable of sinking 64mA providing very good capacitive drive characteristics. The 74FCT621A is designed for asynchronous two-way communication between data buses. The 74FCT621A operates at -40C to +85C

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74FCT621TSOG - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - psg20-1
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74FCT621TSOG - Renesas Electronics  - 3D model - Small Outline Packages - psg20-1
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74FCT621TSOG Details

  • Manufacturer Part Number:

    74FCT621TSOG

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Manufacturer Package Code:

    PSG20

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Additional Feature:

    WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

  • Control Type:

    INDEPENDENT CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    FCT

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.064 A

  • 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:

    OPEN-DRAIN

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    13 ns

  • Propagation Delay (tpd):

    13 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

74FCT621TSOG Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the 74FCT621TSOG is 100 MHz, but it can vary depending on the system design and capacitive loading.
  • To ensure signal integrity, use proper PCB design techniques, such as impedance matching, signal routing, and decoupling capacitors. Additionally, follow the recommended termination schemes and signal loading guidelines.
  • The recommended power-on sequence is to apply VCC first, followed by VEE, and then the input signals. This sequence helps prevent latch-up and ensures proper device operation.
  • Yes, the 74FCT621TSOG is compatible with 3.3V systems, but ensure that the input signals and output loads are within the recommended voltage and current limits.
  • Proper thermal management is crucial. Ensure good airflow, use a heat sink if necessary, and follow the recommended thermal design guidelines to prevent overheating and ensure reliable operation.

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74FCT621TSOG Overview

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Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20

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Part Image IDT74FCT621TSOG8 Renesas Electronics Corporation

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Part Image IDT74FCT621TSO Integrated Device Technology Inc

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Part Image 74FCT621TSO Integrated Device Technology Inc

Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20

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