Synchronous frequency dividers and components therefor
A technology of frequency divider and synchronous latch, which is applied to synchronous pulse counters, electrical components, pulse counters, etc., and can solve problems such as increased circuit complexity
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[0061] Figure 1 to Figure 3 has been described above.
[0062] Figure 4 A master / slave latch is shown consisting of multiple simple latches. This simple latch stores data D (clock CLK is high) or outputs it directly to output Q (CLK is low). Because of the latter function, this simple latch is also called a transparent latch.
[0063] In master slave latch, two simple latches are connected in series. The first simple latch 60 is called the master latch; the second latch 62 is called the slave latch. The slave latch is operated by the inverted clock of the master latch. exist Figure 4 and hereinafter, the inverted signal is shown by the prefix X.
[0064] The master-slave latch inputs data D, which is present on a low-to-high transition of the clock. Similarly, the slave latch becomes transparent when CLK goes from high to low. Therefore, the output changes only on the falling edge of CLK.
[0065] Figure 5 Two master-slave latches are shown, arranged essentially...
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