NXP 74HC

11 discussions on ElectronDepot about the NXP 74HC: what owners asked, what went wrong, and what fixed it.

What owners report

analog failures

My experience is that we find a lot of bugs and documentation problems with the digital parts of mixed-signal chips. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology...

Anfängerfragen zum Z80

Hallo LeuteIch hab eine Menge alter Z80 Platinen im elek. Müll gefunden. Viele Bausteine vom Typ: 74HC* Z80 CTC (von Zilog) Z80 PIO (von Zilog) Z80 CPU (von Zilog) ...

LV/5V level shifting using 74HC gates

I need to convert LV (3.3v rail) signals to TTL levels (5V rail). My present arrangement is to feed the LV to 74HC04 inputs, with a 5v supply on the 74HC04. That looks like it should be OK from the device datasheet, but I've experienced one...

Porte logiche: quali avere?

Ciao a tutti,Vorrei prendere in blocco vari IC contenenti le principali porte logiche,Che tipi mi consigliate? quelli che hanno 3-4 porte in un solo package.Inoltre qual'è il prezzo indicativo?Grazie e scusate per la domanda un pò...

Resonant circuit design

In e.g. VCO design, assuming a less than ideal varactor/varicap, is there a particular resonant circuit/tank topology or ratio of components where given a base operating frequency with no control voltage applied, the VCO frequency...

AVR JTAGICE für wenig Geld

Ich weiss nicht ob es allgemein bekannt ist, unter ist der ziemliche einfache Nachbau eines kompatiblen JTAG interface beschrieben, das einwandfrei mit dem Komplette Unterlagen inclusive sourcen und Schaltbild gibts unter Das Ding...

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