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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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Z86C21 датащи(PDF) 22 Page - Zilog, Inc. |
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Z86C21 датащи(HTML) 22 Page - Zilog, Inc. |
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22 / 35 page  \22 Z86C21 MCU WITH 8K ROM AC CHARACTERISTICS Additional Timing Diagram Clock 1 3 4 8 2 2 3 TIN IRQN 6 5 7 7 9 AC CHARACTERISTICS Additional Timing Table T A = 0°C to +70°C T A = –40°C to +105°C 12 MHz 16 MHz 12 MHz 16 MHz No Sym Parameter Min Max Min Max Min Max Min Max Units Notes 1 TpC Input Clock Period 83 1000 62.5 1000 83 1000 62.5 1000 ns [1] 2 TrC,TfC Clock Input Rise & Fall Times 15 10 15 10 ns [1] 3 TwC Input Clock Width 35 25 35 25 ns [1] 4 TwTinL Timer Input Low Width 75 75 75 75 ns [2] 5 TwTinH Timer Input High Width 3TpC 3TpC 3TpC 3TpC [2] 6 TpTin Timer Input Period 8TpC 8TpC 8TpC 8TpC [2] 7 TrTin,TfTin Timer Input Rise & Fall Times 100 100 100 100 ns [2] 8A TwIL Interrupt Request Input Low Times 70 70 70 50 ns [2,4] 8B TwIL Interrupt Request Input Low Times 3TpC 3TpC 3TpC 3TpC [2,5] 9 TwIH Interrupt Request Input High Times 3TpC 3TpC 3TpC 3TpC [2,3] Figure 20. Additional Timing Notes: [1] Clock timing references use 3.8V for a logic 1 and 0.8V for a logic 0. [2] Timing references use 2.0V for a logic 1 and 0.8V for a logic 0. [3] Interrupt references request through Port 3. [4] Interrupt request through Port 3 (P33-P31). [5] Interrupt request through Port 30. |
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