1 -的-4双解码器/多路解复用器 DUAL 1-OF-4 DECODER/DEMULTIPLEXER
The MC74AC139/74ACT139 is a high–speed, dual 1–of–4 decoder/demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually–exclusive active–LOW outputs. Each decoder has an active–LOW Enable input which can be used as a data input for a 4–output demultiplexer. Each half of the MC74AC139/74ACT139 can be used as a function generator providing four minterms of two variables.
• Multifunctional Capability
• Two Completely Independent 1–of–4 Decoders
• Active LOW Mutually Exclusive Outputs
• Outputs Source/Sink 24 mA
• ′ACT139 Has TTL Compatible Inputs
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
MC74AC139DTR2 ON Semiconductor 安森美 | 当前型号 | 当前型号 |
MC74AC139DTR2G 安森美 | 完全替代 | MC74AC139DTR2和MC74AC139DTR2G的区别 |
SN74HC139NSR 德州仪器 | 类似代替 | MC74AC139DTR2和SN74HC139NSR的区别 |
SN74HC139NSRE4 德州仪器 | 类似代替 | MC74AC139DTR2和SN74HC139NSRE4的区别 |