Dynamic Shift Registers - Bitsavers - Trailing-Edge

ROM Code ConvertersMM4230RS/MM5230RS binary tomodulo-n divider code convertergeneral descriptionThe MM4230RS/MM5230RS binary to modulo·ndivider code converter is set up to generate theprogram input settings for a pair of DM7520/DM8520 modulo·n dividers, in order to divide byany binary number from one to 255. Detailedinstructions for use of the DM7520/DM8520 aregiven in its data sheet.Applying the required division ratio, in binary, tothe inputs of the ROM as shown, generates twosets of four program inputs, one for each of the2 DM7520/DM8520 dividers.For electrical, environmental and mechanical details,refer to the MM4230/MM5230 data sheet.connection diagramDual-In-Line PackageINPUTA3-124f--V"cINPU1A,-223 f-'NCINPUTA,-J22f-NCOU1PUT8,-4OUTPU18 2_521f-INPUTA.20r--INPUTAsOU1PU183-619r-INPUTA.OU1PUT8.-118f-- 1NPUTA,OU1PU185-817r-II'IPUTAaOUTPUTB6-g16f-VMOUTPU187 - 1O 151- ~g~iAOlOUTPUTBB_TlVss-1214 f-- ~~~BLE13!--INPUTA.TOP VIEWtypical applicationBinary to Modulo-n DividerBINARYDIVISORMSB 2' :::" ..-" ::-,'go vOM8810"""()o -[:;:"" ..",.o__-f>o-------........ ~---1-+--+---l'.'.'."T" L0" MODEMM52JOASCONTROl0.0,0.0,0.0.0,I---------------cf>.~ '.-::1----------_-+--,....01>---0,.CONNECTOIRECTTODM7520IDM0520PAOGAAMINPUTSHIGHTRUE214