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Hi Folks; I want use 8051's P1 port to drive transistors. Can I use 74LS373 as this kind of driver or...? My sincere thanks you for your suggestions.
I want use 8051's P1 port to drive transistors. Which transistor do you want to drive? There's gazillions of different types of transistors out there. You'll really have to look at their datasheets and your application to understand what it takes to drive that particular transistor, in the circuit you're putting it in, before you can even begin to deal with its interface to the 8051. You'll also have to check the datasheet of the particular variant of 8051 you're using. In other words: if you can't answer this question on your own, you may not be qualified to design hardware at all. Get a textbook on electronics and work through it, then.