Em 21/2/2010 21:35, Peter van Hoof escreveu:
> The 74hct14 is available from Digikey as a dip
> from several different manufacturers starting at $0.43 in singles
> and it is in stock
>
> The 74HCT family is a special version of 74HC with 74LS TTL-compatible in=
puts so 74HCT can be safely mixed with 74LS in the same system. In fact 74H=
CT can be used as low-power direct replacements for the older 74LS ICs in m=
ost circuits. The minor disadvantage of 74HCT is a lower immunity to noise,=
 but this is unlikely to be a problem in most situations.
>
> Peter van Hoof
>   =



I think he wants the 7414 (no letters in the middle) because of its high
drive capability. The 74HCT14 output current is just 4mA. I think he
could use the 74AHCT14, which has a 24mA output current capability.

Best regards,

Isaac
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