54139 Datasheet PDF - San Mao electronic
Part Number | 54139 | |
Description | Dual Line 2-4 decoder | |
Manufacturers | San Mao electronic | |
Logo | ||
There is a preview and 54139 download ( pdf file ) link at the bottom of this page. Total 3 Pages |
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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 和 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(A、B)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
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 54139 electronic component. |
Information | Total 3 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ 54139.PDF Datasheet ] |
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