Storey: Electrical & Electronic Systems © Pearson Education Limited 2004 OHT 10.2 Introduction  Sequential logic elements combine the characteristics of combinational logic with memory  When constructing sequential logic our building blocks are often some form of multivibrator –a term used to describe a range of circuits  these have two outputs that are the inverse of each other  the output are labelled Q and  three basic forms: –bistables –monstables –astables 10.1
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