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An asynchronous (ripple) counter is a "chain" of toggle (T) flip-flops in which the least-significant flip-flop (bit 0) is clocked by an external signal (the counter input clock), and all other flip-flops are clocked by the output of the nearest, less significant flip-flop (e.g., bit 0 clocks the bit 1 flip-flop, bit 1 clocks the bit 2 flip ...
synchronous 8-bit up/down counter, asynchronous clear 24 SN74ALS867A: 74x869 1 synchronous 8-bit up/down counter, synchronous clear 24 SN74ALS869: 74x870 1 dual 16x4 register files 24 SN74AS870: 74x871 1 dual 16x4 register files 28 SN74AS871: 74x873 2 dual 4-bit transparent latch with clear three-state 24 SN74ALS873B: 74x874 2
A full adder can be viewed as a 3:2 lossy compressor: it sums three one-bit inputs and returns the result as a single two-bit number; that is, it maps 8 input values to 4 output values. (the term "compressor" instead of "counter" was introduced in [13])Thus, for example, a binary input of 101 results in an output of 1 + 0 + 1 = 10 (decimal ...
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
For power-of-2 integer division, a simple binary counter can be used, clocked by the input signal. The least-significant output bit alternates at 1/2 the rate of the input clock, the next bit at 1/4 the rate, the third bit at 1/8 the rate, etc. An arrangement of flipflops is a classic method for integer-n division. Such division is frequency ...
The counter itself must count in Gray code, or if the counter runs in binary then the output value from the counter must be reclocked after it has been converted to Gray code, because when a value is converted from binary to Gray code, [nb 1] it is possible that differences in the arrival times of the binary data bits into the binary-to-Gray ...
Designed to keep the longer range from Mod 1 and larger warhead of Mod 0, this upgrade was called the Mark 16 Mod 8 and incorporated a 1,260 pound HBX (7,552 J/g) warhead in the place of the TPX. This weapon was used as the US Navy's main anti-ship torpedo until it was phased out in 1972, at which point both the Mark 16 and Mark 37 ASW ...
MIL-STD-704 Aircraft Electrical Power Characteristics is a United States Military Standard that defines a standardized power interface between a military aircraft and its equipment and carriage stores, covering such topics as voltage, frequency, phase, power factor, ripple, maximum current, electrical noise and abnormal conditions (overvoltage and undervoltage), for both AC and DC systems.