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Author Topic: pahelp nman tungkol sa logic circuits..  (Read 1429 times)
ianpupu
CR2032 Battery
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« on: March 11, 2009, 09:11:56 PM »

pa help naman. may project kc kmi sa logic ciruits. 4 bit parallel adder na ang output nasa seven segment display dapat.
ganito xa. una. 4 bit adder. (A0,A1,A2,A3) tpos (B0,B1,B2,B3).. ung input nya. ok ng gumamit ng ic na 74LS83 para sa adder.
after xa iinput sa 74LS83 magkakaron na xang 5 output. (S0,S1,S2,S3,Final Carry,). pahelp na dito. Pano ko xa idedesign para ung 5 na output maging 8 output. Kailangan kc xang mgaing 8. Ipapasok kc xa sa ic na 74LS47(decoder for common cathode seven segment,) since 01-32 dapat ung madidisplay nya, dalawang seven segment gagamitin. kya dalawa ring decoder ang gagamitin. isang decoder may 4 na input. aun. kya dapat ung 5 maging 8 kc para sa dalawang decoder. tig apat. pano ko kya dedesign un??? pahelp naman. ssna naintindhan ung post ko.. pareply po asap. nned ko na next wik. sna may mkatulong. Cheesy Cheesy Cheesy
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