Re: Pls help me find extremely small 1:1 voltage-tracking regulator

"Bo-Ming Tong" <cyberstudio@xxxxxxx> wrote:
>Is there going to be any problem if I interface two CMOS logic systems
>together with a constant Vcc difference of 0.3V ?

IIRC, even CMOS doesn't swing rail-to-rail, so you shouldn't have any
trouble. The only time you would have a problem would be when one
power supply goes away, but why not run your circuit off the Vcc from
the other circuit, CMOS is pretty low power...

.

Relevant Pages

  • Re: NAS alternative to my junky Airport Extreme
    ... of absorbing a particle, even if the surface area is the same. ... as CMOS devices are very shallow and unaffected by ionisation in the ... All the talk was about insulating the circuit layer from the bulk ... Transients caused by radiation can happily fuck up discrete transistors ...
    (uk.comp.sys.mac)
  • Re: Cmos
    ... pin 1-2 to 2-3, but in the mobo manual, it said "Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. ... The CMOS well is a chunk of circuitry inside the Southbridge chip. ... the CR2032 battery is used. ... That is not the only way to design the circuit. ...
    (microsoft.public.windowsxp.hardware)
  • Re: Question about led flasher circuit
    ... The first one uses a 74hc04 hex inverters chip. ... The 7404 that you are using won't work in the circuit. ... IC will not work off a lower voltage supply. ... CMOS logic is less restrictive about power supply voltage. ...
    (sci.electronics.basics)
  • Re: A7N8X-DLX 2.0 Dimm Regulator Circuit Failure
    ... recently using sample circuits and reverse engineering my circuit), ... I'm not certain as to its normal output voltage. ... CMOS battery very low, changed the battery, but had trouble with ... likely to overheat the caps in the regulator circuit. ...
    (alt.comp.periphs.mainboard.asus)
  • Re: Mixing 4000 and 7400 Series
    ... I have a circuit that is made up of 4000 series CMOS ICs but it needs a ... magnitude comparator to work and I only have the 74LS85. ... can use this so I don't have to order the 4063 CMOS comparator? ... The circuit is spread across multiple PCBs with this CMOS/TTL problem on ...
    (sci.electronics.basics)