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.
Back a couple of decades, MicroChip published an application note for a 50MHz frequency counter using an OTP chip (it was before EEPROM devices) and 7 segment LED displays. There have been numerous individual improvements to this, using more modern EEPROM chips and LCD displays.
Note this is a guaranteed 50MHz, in practice individual chips will probably exceed this.
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