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What is 54139?

This electronic component, produced by the manufacturer "San Mao electronic", performs the same function as "Dual Line 2-4 decoder".


54139 Datasheet PDF - San Mao electronic

Part Number 54139
Description Dual Line 2-4 decoder
Manufacturers San Mao electronic 
Logo San Mao electronic Logo 


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54139/74139
双 2 线-4 线译码器
简要说明:
139 为两个 2 线-4 线译码器,共有 54/74S139 54/74LS139 两种线路结构型式,
其主要电特性的典型值如下:
型号
CT54S139/CT74S139
CT54LS139/CT74LS139
Tpd (AB->Y)(3 级)
7.5ns
22ns
PD
300mW
34mW
当选通端(G1)为高电平,可将地址端(AB)的二进制编码在一
个对应的输出端以低电平译出。
若将选通端(G1)作为数据输入端时,139 还可作数据分配器。
管脚图:
引出端符号:
A、B
G1、G2
Y0~Y3
功能表:
译码地址输入端
选通端(低电平有效)
译码输出端(低电平有效)
三毛电子世界
www.mculib.com


Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 54139 electronic component.


Information Total 3 Pages
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