Comparisson LS, HC, F06/18/2009
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74xx00 LS HC F Unit Winner
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VOH 3.4 Vcc 2.5 V HC (Output swing)
VOL 0.35 0 0.5 V
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
VIH 2.0 3.15 2.0 V HC (Input swing)
VIL 0.8 1.35 0.8 V
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
IIH 0.02 0.0001 0.005 mA HC (Input Loading)
IIL 0.36 0.0001 0.6 mA
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Icc 2.4 0.04 6.8 mA HC (Power consumption)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Delay 10 8 3.7 ns F (Speed)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Price 0.29 0.22 0.07 USD F (Jameco 10+)
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CONCLUSSION:
HCMOS seems to be the way to go for this project unless a very high speed is needed for some specific circuit in which case (and only for that circuit) I would chose F components instead.
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