1. CS341 Digital Logic and Computer Organization F2003
Sequential Circuits
CS341 Digital Logic and Computer Organization
F2003

2. Topics Definition of sequential circuit Storage elements
asynchronous: responds to inputs at discrete time intervals.
synchronous: responds to inputs at the moment the inputs change.
Storage elements
Latches
flip-flops
Sequential circuit analysis
Sequential circuit design
HDL (hardware description language)
VHDL
Verilog

3. Feedback paths (outputs from storage elements)

4. Buffer, a storage element with propagation delay tpd

44. Fig. 4-31 VHDL Process Description of a Sequence Recognizer

45. Fig. 4-31 VHDL Process Description of a Sequence Recognizer continued

46. Fig. 4-31 VHDL Process Description of a Sequence Recognizer continued

47. Fig. 4-31 VHDL Process Description of a Sequence Recognizer continued

50. Fig. 4-34 Verilog Process of a Sequence Recognizer

51. Fig. 4-34 Verilog Process of a Sequence Recognizer continued