Dynamic Shift Registers - Bitsavers - Trailing-Edge

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ROM Code ConvertersMM4220BL/MM5220BL baudot-to-ASCII code convertergeneral descriptionThe MM4220BL/MM5220BL is used for conversionof the Communications Set Baudot code to theAmerican Standard Code for Information Interchange(ASCII).The Baudot and ASCII codes have different formats.ASCII has a unique code combination foreach alphabetic, numerical, or control character.The correct interpretation of a five bit Baudot isdependent upon knowing its previous history;whether upper or lower case was last selected, Ineffect a sixth-bit, which can be called the Case Bit,is required to uniquely identify the Baudot input.The latch circuit shown in the typical applicationcan store this information and will generate theCase Bit. If the bit is externally supplied, thefeedback and latch circuits can be deleted (asshown with the X's),The accompanying table is applicable for the codeconversion scheme as shown (or its alternate)rather than for the device itself. The input andoutput codes are defined at the TTL gates with thelogic trues high (Logic "1" = +5 volts, nominal;Logic "0" = Ground, nominal).device characteristicsFor full electrical, environmental, and mechanicaldetails, refer to the MM4220/MM5220 1024-bitread only memory data sheet.typical applicationBaudot to ASCII,INPUT GATE sAREDM881BAUDDTINPUTSBITSBIT4BIT3BIl2BIT I+12Vdc~ALl3.DKIOPTIONAL SIXTH BITFj!I.!!.~~I:!"!!'!.E~E----===:IGATES:OM8IIOOSERIESL.[:'t.12VtIc,. A, 3 12 l1B'V.--'-
code conversion tablesconnection diagramFUNCTIONINPUT OUTPUT 'NPUTCBAUDOTROM BAUDOT ASCII•ADDRESS SVMBOL SYMBOL E, •3•Blank.. ", 0,.020,. " D D 00 0 23 0 , 0 ," · 0W W J 0 , Upper ISllC. ... 0 ," 2. U U , ,00,O-'a" 0 ,BI .... k ,NULL 0·0 0CR CR 030• • ,-.034 S.~ 0 a ,."SIS as/FE a a aa 0 ,0 a ,LF LF , a., , , a 0 a.2·• aa0, ,0 ,, , a 0 a,.. ", , a a., , a 0 ,· · , , a, a , a.2 Bo" Bo", " a0 0 , ,, 0 a., , 0 a..58 Upper C~ a ,50.,7 7 , , aa.2 , , ,• E • .CODEOUTPUT..ASCII·20 0 0 0, 0, .. .. ..0 , 0, 0 00 0 00' 0 0 , 0 , ,, , 0 ,0 0 , 0 00 ,0,, , 0 0 0 0 0 f ,0 , , 0 , 00 0 0 000 0 ,0 0 ,0 0 ,a,0 0, 0 0 0a 0 a , 0 a, , , ,a 0 0 0 a, a ,0 0 a, 0 , 0,a 0,,, a , 0a a a ,, 0 0 0 ,0 , , , a0 , 0, , , , ,0 0 ,, 0 ,0 , ,0,0 00 0 , ,,0 00 0, 000000 0,00a ,, a a 0 , 0 00 ,,00 0 , ,00 0 0 ,, a 00 ,,,0 0 , 0, 0 , , a 0,0 a 0 ,, ,0 0, ,, 00 ,, ,a 0, ,0 a.,, 0 0 , , 0,0 0 ,, , 0 00 , ,0 ,00 0 0 , ,0 ,, 0 ,0 0 00, ,0 , 0 , ,0 0 0 0 ,, 00 0 ,, 0 ,00 0 0 ,0 0 ,000,0,000a,a,,a,A3- ,AZ- ZA'- 31'- 415- •IT- '018- "'-----_IZ-14-16-Z3rZZI-17 ~VQG'61-~g~:"OL'5 r-~:~BLE'4 r-AB......V .._ 12 131-TOP VIEWEP' Ev .... P .. itv IS1 - Info.",,,i(lnseparalor"'1LF-LineFII&d SIS ~ Siop/Sta.!CA· Carriae- flaturn 8S - 8.,;:k Sp..,.Can· Cancel186
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National Semiconductor CorporationM
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IntroductionHere is National's newe
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RAMsMM1101 256-Bit Fully Decoded St
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MOS Selection GuidePRODUCT TYPE NO.
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The five basic elements are interco
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absolute maximum ratingsVoltage at
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timing diagramsSequence of Command
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programming of MM5704 (can't)o coun
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......tnG)G)(I)0010:E:E......00..:E
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Dynamic Shift Registers~~ MM1402A/M
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performance characteristics! 100,.J
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«o ....oLC'):E:E.......«.... oo-.
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Dynamic Shift Registers.....enoLn:?
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performance characteristicsN~ '"> u
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logic table (Notes 3,4)MOOEREGISTER
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Dynamic Shift RegistersMM4015A/MM50
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performance characteristics~~>...zw
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.... co0LC):E:E........CO....0~:E:E
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Dynamic Shift RegistersMM4017/MM501
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perform ance ch a racteristicslOOkN
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performance characteristics!ji,:Ii'
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absolute maximum ratingsGate Voltag
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performance c ha racte risticsac te
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absolute maximum ratingsDrain Volta
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Static Shift RegistersMM4040/MM5040
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guaranteed performance characterist
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Static Shift RegistersMM4052/MM5052
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guaranteed performance characterist
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MM4203/MM5203 electrically programm
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operating characteristics (con'tl f
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ROMsMM4210/MM5210 1024-bit read onl
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performance characteristicsGuarante
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ROMsMM42111MM52111024-bit read only
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performance characteristicsPower Su
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MM4220/ MM5220 1024-bit read only m
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ROMsMM42211MM52211024-bit read only
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performance characteristicsPower Su
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illSROMsMM4230/MM5230 2048-bit read
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~12V-----_""' _____________ROMsMM42
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ROMsMM4232/MM5232 4096 -bit static
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ROMsMM4240/MM5240 2560-bit static c
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performance characteristics1200Guar
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ROMsMM42411MM5241 3072-bit static r
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performance characteristicsTypical
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RAMsMM1101/MM11011/MM1101A/MM1101A1
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performance curves (MM1101A/MM1101A
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RAMsMM1103 1024-bit fully decodeddy
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ac operating characteristics (con't
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absolute maximum ratingsAll I nput
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MH0007/MH0007C dc coupled MOS clock
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Clock DriversMH0009/MH0009C dc coup
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MH0012/MH0012C high speed MOS clock
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MH0013/MH0013C two phase MOS clock
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typical performance (cont.)FIGURE 4
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MH0025/MH0025C two phase MOS clock
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applications informationCircuit Ope
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absolute maximum ratings (Notes 1 &
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typical applicationsIfOP~T"IfOPUT"D
Page 144 and 145: application information (con't)The
Page 146 and 147: application information (con't)For
Page 148: absolute maximum ratingsContinuous
Page 151 and 152: ininin::?i::?iabsolute maximum rati
Page 153 and 154: typical input capacitancesMM450, MM
Page 155 and 156: "litIt)It):?!:?!......."litIt)"lit:
Page 157 and 158: enQ)...Q)fJ)oCD-o:I:«oIJ')-o:I:«o
Page 159 and 160: ...(I)Q)electrical characteristicse
Page 161 and 162: enCD''::CDtJ)o...CDoJ:c:(o~in...oJ:
Page 163 and 164: TtilQ)'a::Q)enoCD....o:I:«oIt)....
Page 165 and 166: absolute maximum ratingsVplus Suppl
Page 167 and 168: No....~
Page 169 and 170: Uanor-.M~
Page 171 and 172: schematic diagramanalog switch data
Page 173 and 174: (.)0')....ooJ:Z........0')....ooJ:Z
Page 175 and 176: (.)0')-ooJ:Z........0')-ooJ:Z(.)"d'
Page 177 and 178: absolute maximum ratingsSupply Volt
Page 179 and 180: MM482/MM582Voltage Transfer Charact
Page 182 and 183: ROM Character GeneratorsMM4220N P/M
Page 184 and 185: ROM Character GeneratorsMM4240ABU/M
Page 186 and 187: ROM Character GeneratorsMM4240ABZ/M
Page 188 and 189: ROM Code Convertersrn"owSK0003 sine
Page 190 and 191: ROM Code Converte rsMM4220AE/MM5220
Page 192 and 193: ROM Code ConvertersMM4220AP/MM5220A
Page 196 and 197: ROM Code ConvertersMM4220BM/MM5220B
Page 198 and 199: ROM Code ConvertersMM4220BN/MM5220B
Page 200 and 201: MM4220DF/MM5220DF"quick brown fox"
Page 202 and 203: ROM Code ConvertersMM4220EK/MM5220E
Page 204 and 205: MM4220LR/MM5220LR BCOIC to ASCII-7/
Page 206 and 207: ROM Code ConvertersMM4221RO/MM5221R
Page 208 and 209: ROM Code ConvertersMM4221RR/MM5221R
Page 210 and 211: 11151 ROM Code ConvertersM M 42 30
Page 212 and 213: code conversion table-selectric-to-
Page 214 and 215: ROM Code ConvertersMM4230JT /MM5230
Page 216 and 217: ROM Code ConvertersMM4230KP/MM5230K
Page 218: ~BlillSROM Code ConvertersMM42300W/
Page 221 and 222: ROM Code ConvertersMM4230QY/MM5230Q
Page 223 and 224: ROM Code ConvertersMM4230RS/MM5230R
Page 225 and 226: A.a:-MNit)~~.......A.a:ROM Code Con
Page 227 and 228: «coco~r-..:?!c........«coco~Ln:?!
Page 229 and 230: «0000~.....~c.......«0000~Ln~Ctru
Page 231 and 232: ROM Code ConvertersDM7598AA/DM8598A
Page 234 and 235: Custom MOS/LSIo...ct/)o3s:o(J).....
Page 236: All designs are verified with a cir
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enECD....en>tJ)"C...~o.c>CD~c:CDCJ~
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nE...CDrn>UJ"C-cao.Q>CD~CCDCJca....
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U)EQ)...U)>til..."0coo.c>Q)~c- ...Q
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enECI)...en>en"C...C'CSo.Q>CI)~c:CI
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...enQ)...enC)Q)a:...0f-.&:.tJ)()Ec
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...(1)Q)....(1).-0>Q)a:........s::.
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..... oCO..Q)..Q)...CJco ..U)cQ)oco
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(I)..... oasQ)..Q)...Co).. asas..cQ
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BriefsJANUARY 1970...aTRIG FUNCTION
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MASK PROGRAMMING SPECIALIZESMOS SHI
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ORDERING INFORMATIONWhen ordering,
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Clock Repetition Rate: The range of
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National Semiconductor Corporation2
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