電子技術(shù)基礎(chǔ)：第3章 邏輯門電路

1、-VRVFt1t0ivIFIRtttS0.1IRt0i存儲(chǔ)時(shí)間存儲(chǔ)時(shí)間渡越時(shí)間渡越時(shí)間DR RL Livi+ +- -+-P區(qū)P區(qū)N區(qū)N區(qū)勢壘區(qū)勢壘區(qū)xxnLpLP區(qū)中P區(qū)中電子濃度分布電子濃度分布N區(qū)中N區(qū)中空穴濃度分布空穴濃度分布OnB B基極基極E E發(fā)射極發(fā)射極C C集電極集電極V VCCCCu uCECEu uBEBEu uBCBC+ + + +- -R RC CR Rb b+ +-IvT TBiCiV VCCCC0.4V0.4V(+)(+)(-)(-)R RC CT T(-)(-)(+)(+)(+)(+)(-)(-)0.7V0.7V0.3V0.3V0BiCSBIi 0CSBIi0C

2、iBCiiCCCCSCRVIiCCCEOVVCCCCCERiVVVVCES3 . 02 . 0BiVVCES3 . 02 . 0+VB200 0Iv-VB1CiCSIdtrtstftttCSI9 . 0CSI1 . 0ontofftB B基極基極E E發(fā)射極發(fā)射極C C集電極集電極V VCCCCu uCECEu uBEBEu uBCBC+ + + +- -R RC CR Rb b+ +-IvT TBiCi+VB200 0Iv-VB1CiCSIdtrtstftttCSI9 . 0CSI1 . 0ontofftLCV VCCCCCRiBiCiLCiOvIvLCCRBROvIv1bRk42CRk6

3、. 11304CR2eRk1V VCCCC(5V)(5V)T T1 1T T2 2T T3 3T T4 4負(fù)載負(fù)載D DV VCCCC0.4V0.4V(+)(+)(-)(-)R RC CT T(-)(-)(+)(+)(+)(+)(-)(-)0.7V0.7V0.3V0.3V1bRk42CRk6 . 11304CR2eRk1V VCCCC(5V)(5V)T T1 1T T2 2T T3 3T T4 4D DA AB BC CA AL=A B CL=A B CB B& &C CAR12R4R3RV VCCCCT T1A1AT T2A2AT T3 3T T4 4A ABR1T T2B2

4、BB BD DT T1B1BA AL=A+BL=A+BB B1 1 1R2R4R3RV VCCCCT T1 1T T2 2T T3 3T T4 4A AD DL LB B5R6RT T5 5T T6 6T T7 7V VCCCC與非門與非門三態(tài)鉗位電路三態(tài)鉗位電路CSCSV VNHNHV VNLNLV VOHOHV VIHIHV VILILV VOLOLO O未定區(qū)域未定區(qū)域V VCCCCvPLHtPLHtPHLtPHLt50%50%50%50%50%50%10%10%10%10%90%90%90%90%輸入輸入同相同相輸出輸出反相反相輸出輸出rtrtftftV VCCCC0 0V VV VOHOHV VOLOLV VOHOHV VOLOLDpdPtDP2/ )(PHLPLHpdtttDPDPP溝道P溝道V VDDDDIvOvN溝道N溝道T TP PV VDDDDIvOvT TN NT TP PV VDDDDIvOvT TN NT TP PV VDDDDIvOvT TN NT TP PV VDDDDIvOvT TN NV VDDDDT TN2N2T TN1N1L LB BA AT TP