31 b sn74ls73a edge triggered jk flip flop logic

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Unformatted text preview: ) (7 ) 2J 2 C L (5 ) K 2 (1 0 ) K 2 C L (6 ) R (c ) (9 ) 2Q (8 ) 2Q Figure 6.32 (b) and (c) SN74276 and SN74111 Edge-Triggered JK Flip-Flops '2 7 6 P R E (1 1 ) C L K (1 ) (2 ) (3 ) (4 ) (9 ) (8 ) (7 ) (1 2 ) (1 3 ) (1 4 ) (1 9 ) (1 8 ) (1 7 ) S R (5 ) 1PRE 1J 1Q 1C LK 1K 2Q 1C LR 2PRE 3Q 2J 2C LK 4Q 2K 2C LR (d ) (2 ) (4 ) (5 ) (1 ) (3 ) (1 4 ) (1 2 ) (1 1 ) (1 5 ) (1 3 ) (1 0 ) S 1J C 1 1 K R (9 ) (7 ) 1Q '1 1 1 1C 2C 3C 4C 1J LK 1K 2J LK 2K 3J LK 3K 4J LK 4K 1J C 11 K (6 ) (6 ) 1Q (1 5 ) 2Q (1 6 ) 2Q (e ) Figure 6.32 (d) and (e) Negative-Edge-Triggered T Flip-Flop V C C PRE Q T Q CLR J C K PRE Q Q CLR (a ) (b ) Figure 6.33 Edge-Triggered T Flip-Flop Characteristics 0 T Q 0 1 (a ) Q* 1 0 T o g g le T o g g le 0 T 1 1 1 (b ) 0 Figure 6.34 Q* = Q′ Clocked T Flip-Flop PRE T C CLR Q Q T J C K PRE Q Q CLR (a ) (b ) Figure 6.35 Excitation Table for Clocked T Flip-Flops T 0 0 1 1 Q 0 1 0 1 C ↓ ↓ ↓ ↓ Q* 0 1 1 0 H o ld T o g g le Figure 6.36 Q* = T′ Q + TQ′ The Clocked T Flip-Flop Timing Diagr...
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This note was uploaded on 12/01/2009 for the course 123 123 taught by Professor Alpha during the Spring '09 term at Georgia Institute of Technology.

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