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A 4-bit synchronous counter using JK flip-flops. In a synchronous counter, the clock inputs of the flip-flops are connected, and the common clock simultaneously triggers all flip-flops. Consequently, all of the flip-flops change state at the same time (in parallel). For example, the circuit shown to the right is an ascending (up-counting) four ...
synchronous presettable 4-bit up/down decade counter 16 DM74LS168: 74x169 1 synchronous presettable 4-bit up/down binary counter 16 SN74LS169B: 74x170 1 16-bit register file (4x4) open-collector 16 SN74170: 74x171 4 quad D flip-flops, clear 16 SN74LS171: 74x172 1 16-bit multiple port register file (8x2) three-state: 24 SN74172: 74x173 4
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
English: 4-bit Overbeck counter using four D-Type Flip Flops. Synchronous Clock and Reset line shown. Date: 21 June 2017: Source: Own work: Author: Tauwasser: Licensing.
Counter machine, a subclass of register machines; Counter (digital), an electronic device, mechanical device, or computer program for counting; Loop counter, the variable that controls the iterations of a loop; Jeton, a reckoning counter used on reckoning boards for calculations; Mechanical counter, a digital counter using mechanical components
40110 – Up/down decade counter with 7-segment display decoder with 25 mA output drivers. 40192 – Up/down decade counter with 4-bit BCD preset. 40193 – Up/down binary counter with 4-bit binary preset. Decoders. 4028 – 4-bit BCD to 10-output decoder (can be used as 3-bit binary to 8-output decoder)
In computing, a linear-feedback shift register (LFSR) is a shift register whose input bit is a linear function of its previous state. The most commonly used linear function of single bits is exclusive-or (XOR). Thus, an LFSR is most often a shift register whose input bit is driven by the XOR of some bits of the overall shift register value.
While 4-bit computing is mostly obsolete, 4-bit values are still used in the same decimal-centric roles they were developed for, and modern implementations are generally much wider and process multiple 4-bit values in parallel. An example of such a system is the HP Saturn design of the 1980s. By the 1990s, most such uses had been replaced by ...