74HCD Nexperia Buffers & Line Drivers HEX HI-LO LVL SHIFTR datasheet, inventory, & pricing. 74HCD 74HC; Hex High-to-low Level Shifter;; Package: SOT ( SO16), SOT Details, datasheet, quote on part number: 74HCD. 74HC Hex high-to-low level shifter. For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Family.
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It is pronounced more like “shmeet” would be in english, but means exactly the same as “smith”, which refers to the profession today called “blacksmith”. Tony EE rocketscientist The chip is a down-voltage converter hex buffer. I guess my question is without resistors connected how would one know whether it’s safe to connect the outputs of the 74HCD to 74hc40550d inputs of the 74HC as this chip can do the logic conversion?
Thanks for your reference document.
This had a finite guaranteed logic high threshold sufficiently below 3. This Microchip document shows some interesting ways to interface between 3. Worst case you don’t even meet the 0. Olin Lathrop datasheeh 30 I’m attempting to perform some logic level conversions on 3.
But its output is a 3. A beginner style question.
3.3V signals to 5V using the 74HC4050D @ 3.3V and 74HC541 @ 5V.
In the datasheets you have to look for minimum high level input and maximum low level input. Before the dztasheet revolution, there were a lot of those around in Europe and elsewhere.
I just aim to do the voltage conversion. Is it only leakage current that would be output in this instance?
Peter H 1 3 No, I know that “Schmidt” must be one of the most occurring names, I meant “Schmitt”. Luckily they used some variations on Ellis Island, or half of America would have been called Smith.
74HCD – Hex non-inverting HIGH-to-LOW level shifter | Nexperia
PS I’m aware of that the maximum current into these devices Icc is about 50ma datasheeh a max output of a particular pin Io is around ma. Links for you reference: Whether that is sufficiently below 3.
For input high a minimum of 3. Sign up using Email and Password. Low level input should be less than 1. Good beginner questions; 3. So unless you are trying to do a closed-loop or loopback test?
Nexperia 74HCD, – PDF Datasheet – 74 Series In Stock |