ERRATA: Unger, The Essence of Logic Circuits, 2nd Ed, IEEE Press, 1997

Please correct the following errors in your copy of the text. It would be appreciated if you would inform the instructor of any other suspected errors, or unclear passages that you may find.

Note: In the following, @i(text) means that text is to be italicized. (You might simply use underscore instead).

LATEST ERRORS FOUND (as of 12/03/01): see pp. 134, 152, 127, 90, 48, 297, 25 and 308 below.

  1. p. 2 Subsection 1.2.1. l 1. Change "no circuit" to "no current".
  2. p. 19 line 7. Change "X + 1 = X" to "X + 1 = 1"
  3. p. 20 2nd Par. line after "(DeMorgan Law 1)" Delete the + on the right side of the equation.
  4. p. 20 line -7. Change "consensus AB(overbar)DEF" to "consensus AB(overbar)DEF(overbar)"
  5. p. 21 line 11. Change last parenthesized term on line from "(C[overbar]D + E)" to "(C[overbar]D + E + C)"
  6. p. 25 line 1. Change "AND-gate" to "OR-gate"
  7. p. 28 line 6, at left end of expression, extend overbar to cover the entire parenthesized term
  8. p. 45 Prob. 2.20 line 2: change "atmost" to "at most"
  9. p. 48 line -7, change "A(overbar)B" to "B(overbar)C(overbar)"
  10. p. 83 line -10, change "1-11" to "0-11"
  11. p. 85 line 4, change "3 gi" to "3 g".
  12. p. 90 line -8, change "percent i.e." to "percent, i.e."
  13. p. 109 line 4, change "Z2" to "Z3"
  14. p. 110 line -4, change "k-bit" to "j-bit"
  15. p. 125 line 17, change "customer" to "custom"
  16. p. 127 Problem 4.18. Change "2-output PLA" to "2-output NOR-NOR PLA", and change "AND-gates" to "vertical lines".
  17. p. 131 In Fig. 5.3 In 3 places, change double underscore of y to single underscore.
  18. p. 134 Example 5.2. Line 1. Change "of a symmetric" to "of symmetric"
  19. p. 152 Problem 5.5. Change "number of variables equal to 1 is exactly 2 modulo-3." to "number, modulo-3, of variables equal to 1 is exactly 2."
  20. p. 168 In Fig. 6.10 caption, change "UCO" to "UOC"
  21. p. 169. Fig. 6.11a. Change heading of 3rd column of table from "0" to "10".
  22. p. 169. Fig. 6.11b. Label 4th row of table as "4".
  23. p. 177 line 2: In equation for Y3 change "BY5" to "By5"
  24. p. 297 line -8. Change "source," "source.".
  25. p. 198 Fig. 6.41. At right end of diagram, change "C(overbar)" to "Q(overbar)"
  26. p. 225 In equation (6) and two lines above it, change subscript "DQ" to "DQM"
  27. p. 228 Par. 1, last sentence. Change to: "Since P @i(increases) by the same increment as DLM and @i(decreases) by the amount of the increase in W, this means that we now have P = 17 + .7 - .5 = 17.2, while W becomes 6.5."
  28. p. 264 Problem 6.29 line -3. Delete "be"
  29. p. 304 line 14. Change "VG" to "VR".
  30. p. 304 second line above Fig. A.9. Change "VR from below" to "VS from below".
  31. p. 305 line 5. Change "VCO" to "VC0".
  32. p. 306 line -3, change "find t" to "find [TAU]", where [TAU] is the Greek letter--see use on p. 305
  33. p. 307 on lines 7, 8, 25, -13, change "t" to Greek letter TAU.
  34. p. 307 line 9. Change "2 x 10 = 36" to "2 x 18 = 36"
  35. p. 307 line -12. Change "Figure A.8b" to "Figure A.10b"
  36. p. 308 On line 2, change "NMOS" to "nMOS"
  37. p. 308 In Fig. A.12. Change label of output line from A (+) B to Z = A (+) B
  38. p. 312 line -3. Change "parallel" to "series"
  39. p. 327 Solution to 6.4. Change the entry in row-1, column-01 from "2,0" to "2,1"

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