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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CD54HC160F датащи(PDF) 8 Page - Texas Instruments |
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CD54HC160F датащи(HTML) 8 Page - Texas Instruments |
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8 / 14 page  CD54HC160, CD54HC162 BCD SYNCHRONOUS DECADE COUNTERS SCHS301 – JUNE 2000 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range, VCC = 4.5 V (unless otherwise noted) (see Figure 1) TA = 25°C CD54HC160 CD54HC162 UNIT MIN MAX MIN MAX fmax Maximum frequency CLK 30 20 MHz t Pulse duration CLK low 16 24 ns tw Pulse duration CLR low (’160 only) 20 30 ns ↑ Data (A, B, C, and D) 12 18 ↑ ENP, ENT 10 15 tsu Setup time before CLK ↑ LOAD low 12 18 ns CLR (’162 only) 13 20 CLR high (’160 only) 15 22 ↑ Data (A, B, C, and D) 3 3 th Hold time after CLK ↑ ENP, ENT 0 0 ns LOAD low 3 3 timing requirements over recommended operating free-air temperature range, VCC = 6 V (unless otherwise noted) (see Figure 1) TA = 25°C CD54HC160 CD54HC162 UNIT MIN MAX MIN MAX fmax Maximum frequency CLK 35 24 MHz t Pulse duration CLK low 14 20 ns tw Pulse duration CLR low (’160 only) 17 26 ns ↑ Data (A, B, C, and D) 10 15 ↑ ENP, ENT 9 13 tsu Setup time before CLK ↑ LOAD low 10 15 ns CLR (’162 only) 11 17 CLR high (’160 only) 13 19 ↑ Data (A, B, C, and D) 3 3 th Hold time after CLK ↑ ENP, ENT 0 0 ns LOAD low 3 3 |
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