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1 T-68 Flip-Flop haracteristic Table (a) JK Flip-Flop (b) Flip-Flop J K (t ) Operation (t ) Operation (t) No change (t) No change eset eset et et t () omplement? Undefined (c) Flip-Flop (d) T Flip-Flop (t ) Operation T (t ) Operation eset (t) No change et t () omplement 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

2 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-69 Present tate Input Next tate Output B B Y tate Table for ircuit of Figure 4-8

3 T-7 Two-dimensional tate Table for the ircuit in Figure 4-8 Present state Next state Output = -= = -= B B B Y Y 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

4 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-7 Present state Input Next state Flip-flop inputs B B J K J B K B tate Table for ircuit with JK Flip-Flops

5 T-72 tate Table for tate iagram in Figure 4-2 Present tate Next tate Output Z B B B 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

6 T-73 tate Table for tate iagram in Table 4-5 Next tate Output Z Present tate 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

7 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-74 Present tate Input Next tate Output B B Y tate Table for esign Example

8 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-75 Present tate Input Next tate B B tate Table for econd esign Example

9 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-76 (a) JK Flip-Flop (b) Flip-Flop (t) (t ) J K (t) (t ) (c) Flip-Flop (d) T Flip-Flop (t) (t ) (t) (t ) T Flip-Flop Excitation Table

10 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458 T-77 Present tate Input Next tate Flip-Flop Inputs B B J K J B K B tate Table with JK Flip-Flop Inputs

11 T-78 Block iagram of a equential ircuit Inputs Outputs ombinational circuit Next state torage elements Present state 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

12 T-79 Logic tructures for toring Information (a) t pd (b) t pd 2 t pd (d) 2 t pd t pd (c) 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

13 T-8 ynchronous locked equential ircuit Inputs ombinational circuit lock pulses Flip-flops Outputs (a) Block diagram (b) Timing diagram of clock pulses 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

14 T-8 Ltch with NO Gates (eset) et state (et) eset state Undefined (a) Logic diagram (b) Function table 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

15 T-82 Logic imulation of Latch Behavior i g i t a l T 5n n 5n Time (econds) 2n 25n 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

16 T-83 Latch with NN Gates (et) et state (eset) eset state Undefined (a) Logic diagram (b) Function table 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

17 T-84 Latch with ontrol Inputs Next state of No change No change = ; eset state = ; et state Undefined (a) Logic diagram (b) Function table 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

18 T-85 Latch (a) Logic diagram Next state of No change = ; eset state = ; et state (b) Function table 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

19 T-86 Latch with Transmission Gates TG TG 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

20 T-87 Mster-lave Flip-Flop Y Y 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

21 T-88 Logic imulation of a Master-lave Flip-Flop i g i t a l Y T 5n n 5n Time (econds) 2n 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

22 T-89 Master-lave JK Flip-Flop J K (a) J K (b) Next tate of 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

23 T-9 -Type Positive Edge-Triggered Flip-Flop 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

24 T-9 Positive Edge-Triggered JK Flip-Flop J K 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

25 T-92 tandard Graphic ymbols for Latch and Flip-Flops with ontrol with ontrol (a) Latches J K J K Triggered Triggered Triggered JK Triggered JK (b) Master-lave Flip-Flops J K J K Triggered Triggered Triggered JK Triggered JK (c) Edge-Triggered Flip-Flops 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

26 T-93 JK Flip-Flop with irect et and eset J K J K Undefined No change omplement (a) Graphic symbols (b) Function table 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

27 T-94 Implementing Input Equations B Y J K lock 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

28 T-95 Example of a equential ircuit B B lock Y 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

29 T-96 Logic iagram and tate Table for = Y Z Y (a) lock Present state Inputs Y Next state (b) tate table Output Z 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

30 T-97 tate iagrams / / / / / /, / / (a), / / (b),, 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

31 T-98 onstruction of a tate iagram / B / B / (a) (b) / B / / / (c) / / / B / / / / (d) / 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

32 T-99 tate iagram for esign Example / / / / / / / / 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany MNO & KIME Upper addle iver, New Jersey 7458

33 T- Logic iagram for equential ircuit with Flip-Flops B B lock Y 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

34 T- Logic iagram for equential ircuit with JK Flip-Flops Y N Z N O T N Z J J K F F E K N Z K N L K NZ J J K F F E K K N B B 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany MNO & KIME Upper addle iver, New Jersey 7458

35 T-2 Logic imulation Verification for the ircuit in Figure 4-27 : : : * B: * Y: * * These responses are as asynchronous with the clock and thus do not wait for the next positive clock edge. (a) ircuit test and expected results LK i g i t a l * * * B Y T 5n n 5n Time (econds) 2n 25n 3n (b) imulation results 997 by Prentice-Hall, Inc. LOGI N OMPUTE EIGN FUNMENTL imon & chuster / Viacom ompany Mano & Kime Upper addle iver, New Jersey 7458

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