Just a thought: https://www.analog.com/media/en/technical-documentation/data-sheets/hmc438.pdf
Although it isn't really 'low power', and the input and output ranges are somewhat limited. Certainly not logic level.
Dan On 7/1/2020 2:50 AM, time-nuts-requ...@lists.febo.com wrote:
Message: 4 Date: Wed, 1 Jul 2020 00:47:32 +0200 From: dschuecker<detlef.schuec...@dschuecker.de> To:time-nuts@lists.febo.com Subject: Re: [time-nuts] low power divide by 5 Message-ID:<aa8f5e52-021e-0471-84b8-531653dac...@dschuecker.de> Content-Type: text/plain; charset=utf-8; format=flowed Hi, a divide by five should possible with a synchronous state-machine made of 3 ( sufficiently fast-) JK-FlipFlops. All 3 FFs are clocked with the input freq. , the outputs of the FFs are fed back to the the JK-inputs,? the divided freq. is output of one of the FFs. Additional constraints: no external ANDs or ORs or NOTs, the state-machine does not get stuck in the 3 unused states. This turned out to be a very interesting problem and I do not yet come up with a solution. Maybe there is none. Analytical solutions all failed, I will try a brute force enumeration attack tomorrow. lots of fun ! Cheers
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