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National Semiconductor 54283/DM74283 handbook

1. 0 250 0 010 6 350 0 254 PIN NO 1 IDENT OPTION 01 0 120 0 005 SU ERU SE 0 099 0 060 49 TYP 3 302 0 127 1 524 en OTIO 0 1457 0 200 ae eae 3 683 5 080 d L L 0 020 909 4 TYP 0 508 MIN 5 0 125 0 150 0 030 0 015 3 175 3 810 12592 0 762 0 381 0 014 0 023 0 100 0 010 0 356 0 584 0 050 0 010 2 540 0 254 1 270 0 254 16 Lead Molded Dual In Line Package Order Number DM74283N NS Package Number N16E 54283 DM74283 4 Bit Binary Full Adder with Fast Carry Physical Dimensions inches millimeters Continued 0 050 0 080 1 270 2 032 0 004 0 006 0 102 0 152 DE 0 026 0 040 0 660 1 0 660 1 016 1 LIFE SUPPORT POLICY TR La 0371 0380 9 423 9 906 0 007 0 018 0 050 0 005 TYP 0 178 0 457 r 1 270 0 127 DE 4 0 000 TYP 0 250 0 370 6 350 9 398 r D m 0 245 0 275 BUE 6 223 6 985 DETAIL PIN NO 1 0 250 0 370 IDENT 6 350 9 398 al M 0 015 0 019 0 381 0 482 TYP REV 16 Lead Ceramic Flat Package W Order Number 54283FMQB NS Package Number W16A DETAIL A 0 008 0 012 0 203 0 305 NATIONAL S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORAT
2. 18 70 CCH Supply Current with Vcc 54 99 Outputs High mA Puts DM74 110 Note 1 All typicals are at Vcc 5V Ta 25 C Note 2 Not more than one output should be shorted at a time Switching Characteristics Voc 5 0V Ta 25 C See Section 1 for waveforms and load configurations 15 pF 4000 Symbol Parameter PSSE 00 Units Min Max PLH Propagation Delay 21 n PHL CO or Sn 21 PLH Propagation Delay 24 fis PHL An Or Bn to Sn 24 PLH Propagation Delay 14 hs PHL CO to C4 16 PLH Propagation Delay 14 T PHL An Or By to 16 Functional Description The 283 adds two 4 bit binary words A plus B plus the incoming carry CO The binary sum appears on the Sum 50 53 and outgoing carry C4 outputs The binary weight of the various inputs and outputs is indicated by the sub script numbers representing powers of two 20 BO CO 21 A1 B1 22 A2 B2 23 A3 B3 SO 251 4S2 8S3 16C4 Where plus Interchanging inputs of equal weight does not affect the op eration Thus CO AO BO can be arbitrarily assigned to pins 5 6 and 7 Due to the symmetry of the binary add function the 283 can be used either with all inputs and outputs ac tive HIGH positive logic or with all inputs and outputs ac tive LOW negative logic Note that if CO is not used it must be tied LOW for active HIGH logic or t
3. ION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user 2 A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness National Semiconductor Corporation 1111 West Bardin Road Arlington TX 76017 Tel 1 800 272 9959 Fax 1 800 737 7018 9 National Semiconductor Europe Fax Email Deutsch Tel English Tel Francais Tel Italiano Tel 4 49 0 180 530 85 86 cnjwge tevm2 nsc com 49 0 180 530 85 85 4 49 0 180 532 78 32 49 0 180 532 93 58 49 0 180 534 16 80 National Semiconductor Hong Kong Ltd 13th Floor Straight Block Ocean Centre 5 Canton Rd Tsimshatsui Kowloon Hong Kong Tel 852 2737 1600 Fax 852 2736 9960 National Semiconductor Japan Ltd Tel 81 043 299 2309 Fax 81 043 299 2408 National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications
4. at are true Figure d shows one method of implementing a 5 input majority gate When three or more of the inputs 11 15 are true the output M5 is true C10 BO A1 A10 B10 AO BO A1 A2 B2 A3 B3 4 11 TL F 9786 4 FIGURE b 2 Bit and 1 Bit Adders Functional Description continued FIGURE c 5 Input Encoder Logic Symbol Logic Diagram A0 BO Al Bi A2 B2 5 co TL F 9786 5 5 6 3 2 14 15 12 11 AO BO 1 B1 A2 B2 B3 Pin 16 GND Pin8 C4 50 FIGURE d 5 Input Majority Gate TL F 9786 2 TL F 9786 6 TL F 9786 7 Physical Dimensions inches millimeters 025 R 0 64 1 8 3 1320 51 P 0 037 0 005 TYP iue 0 84 0 13 0 13 50 0 TYP MIN Y 0 020 0 060 ps 0 51 1 52 5 08 MAX TYP 0 125 0 200 3 18 5 08 0 080 2 03 gt me Es 0 018 0 003 0 46 0 08 0 100 0 010 2 54 2 0 25 91 MIN 3 81 16 Lead Ceramic Dual In Line Package J Order Number 54283DMQB NS Package Number J16A GLASS SEALANT 0 010 0 002 0 25 0 05 J16A REY L INDEX AREA PIN NO 1 IDENT OPTION 02 0 065 0 300 0 320 1 651 7 620 8 128 959159 0008 0016 a 229 0 203 0 406 7 112 MIN 0 325 0 040 0015 NI6E REV F 82551105 0 740 0 780 dud 18 80 19 81 0 090 NS 2 286
5. ce cannot be guaran teed The device should not be operated at these limits The parametric values defined in the Electrical Characteristics table are not guaranteed at the absolute maximum ratings The Recommended Operating Conditions table will define the conditions for actual device operation Recommended Operating Conditions Symbol Parameter 54283 DM74289 Units Min Nom Max Min Nom Max Voc Supply Voltage 4 5 5 5 5 4 75 5 5 25 High Level Input Voltage 2 2 Low Level Input Voltage 0 8 0 8 V High Level Output Current 0 4 0 4 mA loL Low Level Output Current 16 16 mA TA Free Air Operating Temperature 55 125 0 70 C Electrical Characteristics Over recommended operating free air temperature range unless otherwise noted Symbol Parameter Conditions Min Typ Max Units Note 1 VI nput Clamp Voltage Vcc Min 12 mA 1 5 V VoH High Level Output Voltage Voc Min Max 24 34 VoL Low Level Output Voltage Vcc Min lo Max 02 04 7 nput Current Max Vcc 5 5V 1 mA nput Voltage IH High Level Input Current Voc Max 2 4V 40 pA IL Low Level Input Current Voc 0 4V 1 6 mA OS Short Circuit Vcc 54 20 55 mA Output Current at Su Note 2 DM74 20 255 OS Short Circuit Vcc 54 20 70 mA Output Current at C4 Note 2 DM74
6. ied HIGH for active LOW logic Example 0 0 1 A2 A3 B0 B1 B2 B3 S0 51 52 S3 C4 Logic Levels H L L L Active HIGH O O 1 1 100 1 1 1 0 0 1 Active LOW 1 1 0 10 01 1 0 0 O 1 110 Active HIGH 0 10 9 3 16 Active LOW 1 5 6 12 0 TL F 9786 3 FIGURE a 3 Bit Adder Due to pin limitations the intermediate carries of the 283 are not brought out for use as inputs or outputs However other means can be used to effectively insert a carry into or bring a carry out from an intermediate stage Figure a shows a way of making a 3 bit adder Tying the operand inputs of the fourth adder A3 B3 LOW makes S3 depen dent ony on and equal to the carry from the third adder Using somewhat the same principle Figure b shows way of dividing the 283 into a 2 bit and a 1 bit adder The third stage adder A2 B2 S2 is used merely as a means of getting a carry C10 signal into the fourth stage via A2 and B2 and bringing out the carry from the second stage on S2 Note that as long as A2 and B2 are the same whether HIGH or LOW they do not infuence S2 Similarly when A2 and B2 are the same the carry into the third stage does not influence they carry out of the third stage Figure c shows a method of implementing a 5 input encoder where the inputs are equally weighted The outputs SO S1 and S2 present a binary number equal to the number of inputs 11 15 th
7. z51854283 H hv PA QN vationat Semiconductor 54283 DM74283 4 Bit Binary Full Adder with Fast Carry General Description The 283 high speed 4 bit binary full adders with internal carry lookahead accept two 4 bit binary words 0 BO B3 and a Carry input CO They generate the binary Sum outputs 50 53 and the Carry output C4 from the most significant bit They operate with either active HIGH or ac tive LOW operands positive or negative logic June 1989 Connection Diagram Dual In Line Package 51 B1 Al 50 A0 BO co GND on b n TL F 9786 1 Order Number 54283DMGB 54283 or DM74283N See NS Package Number J16A N16E or W16A PinNames Description 0 Operand Inputs BO B3 B Operand Inputs Carry Input S0 S3 Sum Outputs C4 Carry Output 91995 National Semiconductor Corporation TL F 9786 RRD B30M115 Printed in U S A Aep 1594 Jeppy Ing jeurg 8cvZING E8cvG Absolute Maximum Ratings note If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7N Input Voltage 5 5V Operating Free Air Temperature Range 54 55 C to 125 C DM74 0 C to 70 C Storage Temperature Range 65 C to 150 C Note The Absolute Maximum Ratings are those values beyond which the safety of the devi

National Semiconductor 54283/DM74283 handbook

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