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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT83C5111 датащи(PDF) 80 Page - ATMEL Corporation |
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AT83C5111 датащи(HTML) 80 Page - ATMEL Corporation |
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80 / 86 page  80 AT8xC5111 4190A–8051–11/02 A/D Converter Notes: 1. For 10 bits resolution AC Testing Input/Output Waveforms Figure 8. AC Testing Input/Output Waveforms AC inputs during testing are driven at VCC - 0.5 for a logic “1” and 0.45V for a logic “0”. Timing measurement are made at VIH min for a logic “1” and VIL max for a logic “0”. Figure 9. Float Waveforms For timing purposes as port pin is no longer float ing when a 100 mV change from load voltage occurs and begins to float when a 100 mV change from the loaded V OH/VOL level occurs. I OL/IOH ≥ ± 20mA. Clock Waveforms Valid in normal clock mode. In X2 mode XTAL2 signal must be changed to XTAL2 divided by two. Symbol Parameter Min Typ Max Units TConv Conversion time 11 Clock periods (1 for sampling, 10 for conversion) TSetup Setup time 4 µs FConv_Ck Clock Conversion frequency 1100 (1) kHz Sampling frequency 10 100 kHz 0.45V V CC-0.5V 0.2V CC+0.9 0.2V CC-0.1 INPUT/OUTPUT V OL+0.1 V V OH-0.1 V FLOAT V LOAD V LOAD+0.1 V V LOAD-0.1 V |
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