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HEF4028B

BCD to decimal decoder

The HEF4028B is a 4-bit BCD to 1-of-10 decoder. A 1-2-4-8 BCD code applied to inputs A0 to A3 causes the selected output to be HIGH, the other nine will be LOW. To use as a 1-of-8 decoder with enable, 3-bit octal inputs are applied to inputs A0 , A1 and A2 selecting an output Y0 to Y7 . Input A3 then becomes an active LOW enable, forcing the selected output LOW when A3 is HIGH. The device may also be used as an 8-output (Y0 to Y7) demultiplexer with A0 to A2 as address inputs and A3 as an active LOW data input. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VDD.

特性

  • Wide supply voltage range from 3.0 V to 15.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Fully static operation

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

  • Standardized symmetrical output characteristics

  • Complies with JEDEC standard JESD 13-B

  • ESD protection:

    • HBM JESD22-A114F exceeds 2000 V

    • MM JESD22-A115-B exceeds 200 V

  • Specified from -40 °C to +85 °C

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
HEF4028BTProduction3.0 - 15CMOS± 2.430medium-40~85825.241.2SO16

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)）
HEF4028BT
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653ActiveHEF4028BTHEF4028BT,653
( 9333 728 00653 )

下表中的版本已停产。参见表 停产信息 了解更多信息。

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)）
HEF4028BT
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_652Withdrawn / End-of-lifeHEF4028BTHEF4028BT,652
( 9333 728 00652 )

停产信息

型号可订购的器件编号，（订购码(12NC)）最后一次购买日期最后一次交货日期替代产品状态备注
HEF4028BT9333728006522021-12-312022-06-30HEF4028BT

    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
    HEF4028BTHEF4028BT,653HEF4028BTweek 6, 2004

    下表中的版本已停产。参见表 停产信息 了解更多信息。

    型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
    HEF4028BTHEF4028BT,652HEF4028BTweek 6, 2004
    品质及可靠性免责声明

    文档 (7)

    文件名称标题类型日期
    HEF4028BBCD to decimal decoderData sheet2021-12-07
    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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