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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 binary counter, asynchronous clear 25 Ω series resistor 16 QS74FCT2161T: 74ACT2163, 74BCT2163 1 16k x 5 cache address comparator three-state (32) SN74ACT2163: 74FCT2163 1 synchronous presettable 4-bit binary counter, synchronous clear 25 Ω series resistor 16 QS74FCT2163T: 74x2164 1 16k x 5 cache address comparator
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 ...
A 4-bit ring counter using D-type flip flops is an example of synchronous logic. ... it is easier to create and verify a synchronous design. However, asynchronous ...
The algorithmic state machine (ASM) is a method for designing finite-state machines (FSMs) originally developed by Thomas E. Osborne at the University of California, Berkeley (UCB) since 1960, [1] introduced to and implemented at Hewlett-Packard in 1968, formalized and expanded since 1967 and written about by Christopher R. Clare since 1970.
4028 – 4-bit BCD to 10-output decoder (can be used as 3-bit binary to 8-output decoder) 4511 – 4-bit BCD to 7-segment display decoder with 25 mA output drivers. Timers. 4047 – Monostable/astable multivibrator with external RC oscillator. 4060 – 14-bit ripple counter with external RC or crystal oscillator (long duration) (schmitt-trigger ...
At each advance, the bit on the far left (i.e. "data in") is shifted into the first flip-flop's output. The bit on the far right (i.e. "data out") is shifted out and lost. The data is stored after each flip-flop on the "Q" output, so there are four storage "slots" available in this arrangement, hence it is a 4-bit register.
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.