3. Ordering information. HEFB. stage ripple-carry binary counter/divider and oscillator. Rev. 8 — 25 March Product data sheet. Table 1. Ordering. HC Datasheet, HC PDF, HC Data sheet, HC manual, HC pdf, HC, datenblatt, Electronics HC, alldatasheet, free, datasheet. HC datasheet, HC circuit, HC data sheet: STMICROELECTRONICS – stage binary counter/oscillator,alldatasheet, datasheet, Datasheet.

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If your pps is synchronized to a uC clock domain, you are throwing the accuracy as the synchronization to the uC clock period can introduce uncertainty in the actual gating timing. This device is pin equivalent to the CD Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Well I was thinking of the HP we had where I first worked, that cost, as I recall being told, over dstasheet grand in Dec 26, 7.

Only a 74 hc Previous 1 2 These chips have become as ubiquitous as a general-purpose op-amp, or even as passive components.

HC (TI) PDF技术资料下载 HC 供应信息 IC Datasheet 数据表 (1/23 页)

I’ve designed quite a few and circuits. Here is another that relies on the sample dwtasheet accuracy of the sound card of a pc.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.


No heatsink was needed but they h4060 hand-picked by individual performance testing as were the FET input transistors.

You are commenting using your WordPress. The spec sheet says 40 MHz is the max frequency and the specified switching specs line up with that. Peace and blessings, Johnny Quest and Bandit. Yes, the either side of that gating can violate timings, so worse case you have 2 glitches hat might violate timing at the prescaler.

Heathkit had a frequency counter out inand it was somewhere in the hundreds of dollars range. Dec 26, 9.

The oscillator configuration allows design of either RC- or crystal-oscillator circuits. Though the norm at that time was a prescaler that only went datasehet to about MHz, it was ECL and needed a heatsink.

I have looked at their products since then, still making frequency counters but now up in the GHz range. Dig around in tv sets or cable boxes, and you can scrounge a prescaler that would give higher frequency use.

HC Datasheet, PDF – Qdatasheet

Dec 27, All inputs are protected from damage due to static discharge by protection diodes to. If the GPS is non-correlated to the frequency dtasheet are measuring ie: The PPS is used to gate external signal. With the RC the oscillator is at about 4. Like I was going to impregnate her by being within 20 feet of her … weird. This is a really cool build — especially at the price. But if you prescale byyou either lose resolution, or you need to increase the gate time, which slows down operation.


By counting the pulses, you could calculate the state of the prescaler at gate shut-off and recover that lost bit of resolution. Very similar to a chip, but allows for programming both time constants on time and off time.

HC4060 Datasheet

But if you need that frequency counter to always work, you have to be more thorough. Robotic Floor Cleaner Robotic h4c060 cleaners have been available as consumer products for a number of years now but with a gradual drop in production cost and development of new technology, these cleaners are becoming cheaper. Before I moved on, they were working on a 1. Schematic Symbols for Electronic Components: The proper modern day synchronous design would need a much faster clock that is a few hundred MHz and synchronize everything to that clock.

Argh… setup requirement, not hold requirement. So I can see these time domains: Dec 25, 2.