Latch and frequency divider
A technology of latches and transistors, applied in the direction of synchronous pulse counters, pulse technology, logic circuits, etc., can solve the problem of large power consumption, and achieve the effect of eliminating power consumption and reducing dynamic power consumption
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[0079] See figure 1 As shown, the high-speed frequency divider in the prior art may include latches 101 and 102, where the latches 101 and 102 are mutually subsequent units.
[0080] The output signal frequency of the high-speed two-frequency divider is 1 / 2 of the input signal frequency, which can realize the output of the quadrature frequency division signal with 25% or 75% duty cycle.
[0081] figure 2 The schematic diagram of the circuit structure of the latch in the high-speed two-frequency divider that realizes the frequency division signal with the duty cycle of 75% is shown. See figure 2 Shown. The latch 200 includes a first logic unit 201 and a second logic unit 202 coupled between a power supply and a ground.
[0082] The first logic unit 201 has a first control terminal CLK1, a first signal input terminal D, and a first signal output terminal Qn, and the second logic unit has a second control terminal CLK2, a second signal input terminal Dn, and a second signal output ter
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