clock Positive Level Negative Level Positive Edge Triggered Slides: 54 Download presentation สญญาณ clock ทใชควบคม ชนด Positive Level Negative Level Positive Edge Triggered Negative Edge Triggered สญญลกษ ณ ตารางการทำงานของ Set-Reset Flip-Flop Input Output 0 0 0 1 Reset State 1 0 Set State 1 1 Nochanged State Not allowed State Crossed NAND Set-Reset Flip-Flop Crossed NAND Set-Reset Flip-Flop [2] 0 1 1 0 1 0 1 1 1 0 Crossed NAND Set-Reset Flip-Flop [3] 1 1 0 1 0 0 1 1 1 0 Crossed NAND Set-Reset Flip-Flop [4] 0 0 ? ? 1 1 0 0 1 1 1 0 Crossed NAND Set-Reset Flip-Flop [5] 1 1 0 0 1 1 Unused State 1 0 0 1 1 0 Set State 0 1 1 0 0 1 Reset State 0 0 1 1 Unchangeed State Crossed NAND Set-Reset Flip-Flop [6] 0 1 0 0 Crossed NOR Set-Reset Flip-Flop [1] Crossed NOR Set-Reset Flip-Flop [2] 0 1 1 0 1 0 0 1 1 0 Crossed NOR Set-Reset Flip-Flop [3] 0 0 0 1 1 0 0 0 1 0 1 0 0 1 1 0 Crossed NOR Set-Reset Flip-Flop [4] 1 1 ? ? 0 0 1 0 1 0 0 1 1 0 Crossed NOR Set-Reset Flip-Flop [5] 1 1 0 0 Unused State 1 0 0 1 1 0 Set State 0 1 1 0 0 1 Reset State 0 0 1 1 Unchangeed State Crossed NOR Set-Reset Flip-Flop [6] 0 1 0 0 Waveform Crossed RS Flip-Flop NAND NOR Gated Set-Reset Flip-Flop 1 0 1 Gated Set-Reset Flip-Flop 1 Gated Set-Reset Flip-Flop Gated Set-Reset Flip-Flop 0 0 1 1 0 1 0 1 0 1 1 1 0 1 Unchangeed State Reset State Set State Unused State JK Flip-Flop JK Flip-Flop JK Flip-Flop 0 1 1 1 0 0 1 1 X X X 0 1 X X X 1 0 1 0 1 1 1 0 X Toggle Set State Reset State Not allowed State JK Flip-Flop D Flip-Flop ชนดม Clock D Flip-Flop ชนดม Clock D Flip-Flop ชนดม D Clock 0 0 1 1 1 Clock Nochanged State 0 1 1 0 D Flip-Flop ชนดม 0 0 1 1 0 1 0 1 1 0 Toggle Clock T Flip-Flop [1] 0 0 1 1 0 1 0 1 1 0 Toggle Master-Slave D Flip-Flop Negative Edge-Triggered Master-Slave D Flip-Flop Master-Slave D Flip-Flop 1 0 1 1 Negative Edge-Triggered Master-Slave D Flip-Flop Master-Slave D Flip-Flop 1 1 0 1 Negative Edge-Triggered Master-Slave D Flip-Flop Master-Slave D Flip-Flop 1 1 0 1 Negative Edge-Triggered Master-Slave D Flip-Flop Master-Slave D Flip-Flop 1 0 1 1 Negative Edge-Triggered Master-Slave D Flip-Flop Using A Set-Reset Flip-Flop as a Debounce Switch [2] Using A Set-Reset Flip-Flop as a Debounce Switch [3]