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74LCX257FT - Toshiba

Description: Quad Multiplexer, TSSOP16B

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74LCX257FT - Toshiba - PCB symbol
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PCB Footprints
74LCX257FT - Toshiba PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP16B
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74LCX257FT - Toshiba - 3D model - Small Outline Packages - TSSOP16B
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74LCX257FT Details

  • Manufacturer Part Number:

    74LCX257FT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-16

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    Toshiba America Electronic Components

  • YTEOL:

    6.4

  • Family:

    LVC/LCX/Z

  • JESD-30 Code:

    R-PDSO-G16

  • Length:

    5 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.0052 A

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    100 mA

  • Prop. Delay@Nom-Sup:

    7.5 ns

  • Propagation Delay (tpd):

    20 ns

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    1.65 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

74LCX257FT Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the 74LCX257FT is 2.3V to 3.6V, as specified in the datasheet. However, it's recommended to operate within the range of 2.5V to 3.3V for optimal performance and to ensure compatibility with most digital systems.
  • It's recommended to follow a controlled power-up and power-down sequence to prevent damage to the device. Power-up should be done slowly, with a ramp-up time of at least 1ms, and power-down should be done slowly as well. Additionally, ensure that the input signals are stable and within the recommended voltage range before applying power.
  • The maximum frequency of operation for the 74LCX257FT is 100MHz, as specified in the datasheet. However, the actual operating frequency may be limited by the system design, PCB layout, and signal integrity. It's recommended to perform signal integrity analysis and simulation to ensure reliable operation at high frequencies.
  • To ensure signal integrity and minimize signal degradation, it's recommended to follow good PCB design practices, such as using controlled impedance traces, minimizing trace length and skew, and using signal termination resistors. Additionally, ensure that the input signals are clean and free from noise, and use shielding and grounding techniques to reduce electromagnetic interference (EMI).
  • The maximum current rating for the 74LCX257FT is 64mA per output pin, as specified in the datasheet. However, it's recommended to limit the output current to 32mA or less to ensure reliable operation and prevent overheating.

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74LCX257FT Overview

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74LCX257FT Alternates

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For a full list of alternate parts for 74LCX257FT, check out Findchips.com