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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
A second resistor in parallel, the new timing is half the table time. A second resistor in series, the new timing is double the table time. 2.5 ms (0.25x) ≅ 100 nF and 22.75 kΩ (four 91 kΩ resistors in parallel), 5 ms (0.5x) ≅ 100 nF and 45.5 kΩ (two 91 kΩ resistors in parallel), 10 ms (1x) ≅ 100 nF and 91 kΩ (values from table),
Up/down counter – counts up and down, as directed by a control input, or by the use of separate "up" and "down" clocks. Ring counter – formed by a "circular" shift register. Johnson counter – a twisted ring counter. Gray-code counter – outputs a sequence of Gray codes. Shift register generator counter – based on a shift register with ...
A timing diagram can contain many rows, usually one of them being the clock. It is a tool commonly used in digital electronics, hardware debugging, and digital communications. Besides providing an overall description of the timing relationships, the digital timing diagram can help find and diagnose digital logic hazards .
An ASM chart consists of an interconnection of four types of basic elements: state name, state box, decision box, and conditional outputs box. An ASM state, represented as a rectangle, corresponds to one state of a regular state diagram or finite-state machine. The Moore type outputs are listed inside the box. State Name
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A prescaler is an electronic counting circuit used to reduce a high frequency electrical signal to a lower frequency by integer division.The prescaler takes the basic timer clock frequency (which may be the CPU clock frequency or may be some higher or lower frequency) and divides it by some value before feeding it to the timer, according to how the prescaler register(s) are configured.
It can also be used for counting of pulses, and for synchronizing variably-timed input signals to some reference timing signal. The term flip-flop has historically referred generically to both level-triggered (asynchronous, transparent, or opaque) and edge-triggered ( synchronous , or clocked ) circuits that store a single bit of data using ...