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    HEF4538B-Q100

    Dual precision monostable multivibrator

    The HEF4538B-Q100 is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has an active LOW trigger/retrigger input (nA), an active HIGH trigger/retrigger input (nB), an overriding active LOW direct reset input (nCD), an output (nQ) and its complement (nQ), and two pins (nREXT/CEXT, and nCEXT, always connected to ground) for connecting the external timing components CEXT and REXT. Typical pulse width variation over the specified temperature range is ±0.2 %.

    The multivibrator may be triggered by either the positive or the negative edges of the input pulse and will produce an accurate output pulse with a pulse width range of 10 μs to infinity. The duration and accuracy of the output pulse are determined by the external timing components CEXT and REXT. The output pulse width (tW) is equal to REXT × CEXT. The linear design techniques in LOCMOS (Local Oxide CMOS) guarantee precise control of the output pulse width. A LOW level at nCD terminates the output pulse immediately. The trigger inputs’ Schmitt trigger action makes the circuit highly tolerant of slower rise and fall times.

    It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.

    This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

    特性

    • Automotive product qualification in accordance with AEC-Q100 (Grade 1)

      • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

    • Tolerant of slow trigger rise and fall times

    • Fully static operation

    • 5 V, 10 V, and 15 V parametric ratings

    • Wide supply voltage range from 3.0 V to 15.0 V

    • CMOS low power dissipation

    • High noise immunity

    • Standardized symmetrical output characteristics

    • ESD protection:

      • MIL-STD-883, method 3015 exceeds 2000 V

      • HBM JESD22-A114F exceeds 2000 V

      • MM JESD22-A115-A exceeds 200 V (C = 200 pF; R = 0 Ω)

    • Complies with JEDEC standard JESD 13-B

    参数类型

    Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
    HEF4538BT-Q100Production3.0 - 15CMOS± 2.460medium-40~85783.537SO16

    封装

    型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号,(订购码(12NC))
    HEF4538BT-Q100
    SO16
    (SOT109-1)
    SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    SOT109-1_118ActiveHEF4538BTHEF4538BT-Q100J
    ( 9353 001 14118 )

    环境信息

    型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
    HEF4538BT-Q100HEF4538BT-Q100JHEF4538BT-Q100Always Pb-free
    品质及可靠性免责声明

    文档 (7)

    文件名称标题类型日期
    HEF4538B_Q100Dual precision monostable multivibratorData sheet2022-03-04
    AN11051Pin FMEA HEF4000 familyApplication note2019-01-09
    Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
    SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
    SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
    WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08
    SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2023-11-07

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