Hi, I've designed my current project prototype using a couple of 74LS279 (quad s-r latch with active low inputs) chips among others. Everything works as it should but now I'm moving to actually build the final product. For power, speed and size considerations I'm moving to surface mount components …

Trouble finding SMD 74HC279

kbrown March 30, 2014, 10:29pm 10

Thanks guys. I need the HC family. Not LS or 4000 chips.

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