Unformatted text preview: 4.7 (b) 4.19 (d) 5.5 (a), (b) (Note: For part (b), show how you would implement a 4-bit subtractor) III. What are the critical delays (in terms of gate-delays) through each of the following circuits? a) A 4-bit ripple carry adder implemented using four full adders b) A 4-bit carry lookahead adder IV 6.1, 6.9, from text book 6.10, from textbook (use the following timing diagram instead of the one given in textbook)...
View Full Document
- Fall '06
- Carry look-ahead adder, carry lookahead adder, Carry-save adder