What is UP Counter in Digital Electronics?

Answer 1

An up counter is simply a digital counter which counts up at some predefined increment. A Binary Up Counter with 'n' stages can count up to 2n states.

If we are implementing Up Counter with flip flops, this 'n' stages becomes the number of flip flops. For example a 4 bit Up Counter can count from binary 0000 to 1111, i.e 24=16 states.

A detailed design and working animation of of Binary Up Counter is given in the related link section below

Answer 2

In eletronics, counters can be implemented quite easily using register-type circuits such as the flip-flop, and a wide variety of designs exist, e.g: * Asynchronous (ripple) counter - changing state bits are used as clocks to subsequent state flip-flops * Synchronous counter - all state bits change under control of a single clock * Decade counter - counts through ten states per stage * Up-down counter - counts both up and down, under command of a control input * Ring counter - formed by a shift register with feedback connection in a ring * Johnson counter - a twistedring counter * Cascaded counter Each is useful for different applications. Usually, counter circuits are digital in nature, and count in binary, or sometimes binary coded decimal. Many types of counter circuit are available as digital building blocks, for example a number of chips in the 4000 series implement different counters.