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programmable mapping decoder (2-to-4 line decoder with 9 programmable enable inputs) 20 74HCT515 [9]: 310 74x516 1 16-bit multiplier/divider 24 SN74S516: 74x518 1 8-bit comparator 20 kΩ pull-up open-collector 20 SN74ALS518: 74x519 1 8-bit comparator open-collector 20 SN74ALS519: 74x520 1 8-bit comparator, inverting output 20 kΩ pull-up 20
The four states of a 2-to-4 decoder. In digital electronics, an address decoder is a binary decoder that has two or more inputs for address bits and one or more outputs for device selection signals. [1] When the address for a particular device appears on the address inputs, the decoder asserts the selection output for that device.
A truth table of a single bit 4-to-2 priority encoder is shown, where the inputs are shown in decreasing order of priority left-to-right, and "x" indicates a don't care term - i.e. any input value there yields the same output since it is superseded by a higher-priority input. The (usually-included [a]) "v" output indicates if the input is valid.
In digital electronics, a binary decoder is a combinational logic circuit that converts binary information from the n coded inputs to a maximum of 2 n unique outputs. They are used in a wide variety of applications, including instruction decoding, data multiplexing and data demultiplexing, seven segment displays, and as address decoders for memory and port-mapped I/O.
Rotary incremental encoder with shaft attached to its thru-bore opening Introduction to incremental encoders, from VideoWiki script Incremental Encoder. An incremental encoder is a linear or rotary electromechanical device that has two output signals, A and B, which issue pulses when the device is moved. [1]
I2C/UART/SPI: INT - interrupt, slave to master, open-collector, active low; RESET - reset signal, master to slave, active low; SPI: CS - chipselect, active low
Typically, the soft output is used as the soft input to an outer decoder in a system using concatenated codes, or to modify the input to a further decoding iteration such as in the decoding of turbo codes. Examples include the BCJR algorithm and the soft output Viterbi algorithm.