M16_2_EEM16_F11_L11

M16_2_EEM16_F11_L11 - 16 Practical D Flip ‐ Flop 17...

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EEM16/CSM51A: Logic Design of Digital Systems Lecture #11 Ch 8: Sequential Networks Prof. Danijela Cabric Fall 2011
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Canonical Form of Sequential Networks 2
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Mealy and Moore Machines 3
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Binary Implementation 4
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Example 5
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Canonical Network for this Example 6
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Storage element: Gated Latch – First Try 7
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Remembering a Bit 8
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Gates with Feedback 9
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Problem with SR latch 10
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D Latch using SR Latch 11
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Implementation using Transmission Gates 12
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Limitations of Level Sensitive Latches 13
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Limitations of Level Sensitive Latches 14
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Solution: Edge Triggered Cell (D Flip flop) 15
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Implementing D Flip Flop: Master Slave Latches
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Unformatted text preview: 16 Practical D Flip ‐ Flop 17 Design of Canonical Sequential Networks ± Transform the transition and output functions ± Specify a state register to hold the required number of states ± Design the required combinational network 18 Example 19 Example: Coding 20 Example: State Transition and Output Functions 21 Example: Implementation 22 SR Flip ‐ Flop 23 JK Flip ‐ Flop 24 T (Toggle) Flip ‐ Flop 25 Implementing one Flip ‐ flip Type with Another Example: T using JK 26 Flip ‐ Flop Set and Reset Inputs 27 Initial State 28...
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