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SN74HCS166DYYR データシート(PDF) 6 Page - Texas Instruments |
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SN74HCS166DYYR データシート(HTML) 6 Page - Texas Instruments |
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6 / 35 page ![]() 5.5 Timing Requirements over recommended operating free-air temperature range (unless otherwise noted) VCC(V) TA = 25°C SN54HC166 SN74HC166 UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 2 6 4.2 5 MHz 4.5 31 21 25 6 36 25 29 tw Pulse duration CLR low 2 100 150 125 ns 4.5 20 30 25 6 17 26 21 CLK high or low 2 80 120 100 4.5 16 24 20 6 14 20 17 tsu Setup time SH/LD high before CLK↑ 2 145 220 180 ns 4.5 29 44 36 6 25 38 31 SER before CLK↑ 2 80 120 100 4.5 16 24 20 6 14 20 17 CLK INH low before CLK↑ 2 100 150 125 4.5 20 30 25 6 17 26 21 Data before CLK↑ 2 80 120 100 4.5 16 24 20 6 14 20 17 CLR inactive before CLK↑ 2 40 60 50 4.5 8 12 10 6 7 10 9 th Hold time SH/LD high after CLK↑ 2 0 0 0 ns 4.5 0 0 0 6 0 0 0 SER after CLK↑ 2 5 5 5 4.5 5 5 5 6 5 5 5 CLK INH high after CLK↑ 2 0 0 0 4.5 0 0 0 6 0 0 0 Data after CLK↑ 2 5 5 5 4.5 5 5 5 6 5 5 5 SN54HC166, SN74HC166 SCLS117E – DECEMBER 1982 – REVISED FEBRUARY 2022 www.ti.com 6 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: SN54HC166 SN74HC166 |
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