74HC(T)42:BCD至十进制解码器(10选1)

74HC/1是高速硅栅CMOS器件,与低功耗肖特基TTL (LSTTL)针脚兼容。其规格符合JEDEC标准no. 7A。

74HC/HCT42解码器接受四个高电平有效BCD输入,提供10个互斥低电平有效输出。该低电平有效输出通过低电平有效使能可加快对其他MSI电路的寻址。

“42”的逻辑设计可确保大于九的二进制代码应用到输入端时所有输出都为高电平。

“42”用作8选1解码器时,最高有效输入(A3)可产生有用的抑制功能。A3输入还可用作8输出解复用器应用中的数据输入。

特性和优势
    • 互斥输出
    • 8选1解复用能力
    • 输出对于九以上的输入代码禁用
    • 输出能力:标准
    • ICC类别:MSI
应用
    • 驱动LED显示器
    • 驱动白炽灯显示器
    • 驱动荧光灯显示器
    • 驱动LCD显示器
    • 驱动气体放电显示器
产品图片
关键参数
型号Product statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC42DProduction2.0 - 6.0CMOS+/- 5.217low-40~125731.131SO16
封装与包装
型号封装Outline versionReflow-/Wave soldering包装产品状态标示可订购的器件编号, (订购码 (12NC))
74HC42D
SO16
(SOT109-1)
sot109-1_poSO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECC量产74HC42D74HC42D,653( 9337 148 60653 )
Bulk Pack, CECC量产74HC42D74HC42D,652( 9337 148 60652 )
无铅环保信息
型号可订购的器件编号RoHS / RHF无铅转换日期EFRIFR (FIT)MTBF(小时)潮湿敏感度等级MSL LF
74HC42D74HC42D,653week 6, 200484.96.621.51E811
74HC42D74HC42D,652week 6, 200484.96.621.51E811
文档资料
档案名称标题类型格式日期
74HC_HCT42_CNV (中文)BCD to decimal decoder (1-of-10)Data sheetpdf1990-12-01
AN11044Pin FMEA 74HC/74HCT familyApplication notepdf2011-03-16
75017511Voltage translation: How to manage mixed-voltage designs with NXP level translatorsBrochurepdf2014-05-20
75017285Logic selection guide 2015Selection guidepdf2015-01-08
HCT_USER_GUIDEHC/T User GuideUser manualpdf1997-11-01
SO-SOJ-REFLOWFootprint for reflow solderingReflow solderingpdf2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
sot109-1_poplastic small outline package; 16 leads; body width 3.9 mmOutline drawingpdf2009-10-08
SOT109-1_118SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-24
订购信息
型号订购码 (12NC)可订购的器件编号
74HC42D9337 148 6065374HC42D,653
74HC42D9337 148 6065274HC42D,652
BCD to decimal decoder (1-of-10) 74HC_T_42
Pin FMEA 74HC/74HCT family 74HC_T_597_Q100
Voltage translation: How to manage mixed-voltage designs with NXP® level translators 74AVC16245DGG-Q100
Logic selection guide 2016 74LVC_H_245A_Q100
HC/T User Guide 74HCU04PW
Footprint for reflow soldering NPIC6C596A_Q100
Footprint for wave soldering NPIC6C596A_Q100
plastic small outline package; 16 leads; body width 3.9 mm SA614A
SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... NPIC6C596A_Q100