CMOS two-input NOR and OR gates - TAMS

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This applet demonstrates the static two-input NOR and OR gates in CMOS technology. Click the input switches or type the ('a','b') and ('c','d') bindkeys to ... TAMS/Java/Hades/applets:contents|previous|nextHadesAppletscontentsvisual index  introduction std_logic_1164 gatelevel circuits delay models flipflops adders and arithm... counters LFSR and selftest memories programmable logic state-machine editor misc. demos I/O and displays DCF-77 clock relays (switch-le... CMOS circuits (sw...  inverter, bu...  NAND, AND  NAND3  NOR, OR  NOR3  AOI22 comple...  OAI31 comple...  TRIBUF tri-s...  TGATE  TRIBUF (tgate)  MUX21 (tgate)  XOR (mux tgate)  XOR (tgate)  DLATCH (tgate)  DLATCH (schema)  DFF (tgate)  DFF (schema)  6T-SRAM cell  SRAM (4x1 bits) RTLIB logic RTLIB registers Prima processor D*CORE MicroJava Pic16 cosimulation Mips R3000 cosimu... Intel MCS4 (i4004) image processing ... [Sch04] Codeumsetzer [Sch04] Addierer [Sch04] Flipflops [Sch04] Schaltwerke [Sch04] RALU, Min... [Fer05] State-Mac... [Fer05] PIC16F84/... [Fer05] Miscellan... [Fer05] Femtojava FreeTTS CMOStwo-inputNORandORgates Theimageaboveshowsathumbnailofthe interactiveJavaappletembeddedintothispage. Unfortunately,yourbrowserisnotJava-aware orJavaisdisabledinthebrowserpreferences. Tostarttheapplet,pleaseenableJava andreloadthispage. (Youmighthavetorestartthebrowser.) CircuitDescription Thisappletdemonstratesthestatictwo-inputNORandORgates inCMOStechnology. Clicktheinputswitchesortypethe('a','b')and('c','d') bindkeystocontrolthetwogates. Thetwo-inputNOR2gateshownontheleftisbuiltfromfourtransistors. Theparallelconnectionofthetwon-channeltransistorsbetweenGND andthegate-outputensuresthatthegate-outputisdrivenlow(logical0) wheneithergateinputAorBishigh(logical1). Thecomplementaryseries-connectionofthetwotransistorsbetween VCCandgate-outputmeansthatthegate-outputisdrivenhigh(logical1) whenbothgateinputsarelow(logical0). ThenetresultisthelogicalNORfunction: NOR2OR2 AB|YAB|Z --------+-----------+---- 00|100|0 01|001|1 10|010|1 11|011|1 Asshownontheright, thecorrespondingORgateisconstructedfromtheNOR2followed byastandardstaticinverter. Printversion| RunthisdemointheHadeseditor(viaJavaWebStart)Usage|FAQ|About|License|Feedback|Tutorial(PDF)|Referenzkarte(PDF,inGerman)Impressumhttp://tams.informatik.uni-hamburg.de/applets/hades/webdemos/05-switched/40-cmos/nor.html



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