Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Has anyone else noticed that the philips 74LS121 is VAGUELY SIMILAR to everyone else's 74LS121? the time delay equation is totally different, and the internal circuitry bears little resemblance to all others.
Anyone know of others?
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