Nandtotetris Chap 3

Nandtotetris Chap 3Combination logic Output=inputSequential logic output=input + previous outputCombination vs Sequential

output=input + previous output , Latch Flip-flop

Sequential logicClock Sequential logic

-: (rising edge, falling edge)

-: Sequential logic

- 1cycle: tick-phase(low) +tock-phase(high)-

Clock

D Flip-flop

D Flip-flop

Bit register

inloadQQ0000( )00100100( )0111( )10011011( )1100( )1111( )Bit registerBit register

RAM

RAM

RAM

-: , -: . -4 0~15 - Counter

http://terms.naver.com/entry.nhn?docId=1982082&cid=602&categoryId=602Flip-Flop