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SN74HC166 Folha de dados(PDF) 6 Page - Texas Instruments |
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SN74HC166 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 9 page SN54HC166, SN74HC166 8-BIT PARALLEL-LOAD SHIFT REGISTERS SCLS117B – DECEMBER 1982 – REVISED MAY 1997 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) VCC TA = 25°C SN54HC166 SN74HC166 UNIT VCC MIN MAX MIN MAX MIN MAX UNIT 2 V 0 6 0 4.2 0 5 fclock Clock frequency 4.5 V 0 31 0 21 0 25 MHz 6 V 0 36 0 25 0 29 2 V 100 150 125 CLR low 4.5 V 20 30 25 t Pulse duration 6 V 17 26 21 ns tw Pulse duration 2 V 80 120 100 ns CLK high or low 4.5 V 16 24 20 6 V 14 20 17 ↑ 2 V 145 220 180 SH/LD high before CLK ↑ 4.5 V 29 44 36 6 V 25 38 31 ↑ 2 V 80 120 100 SER before CLK ↑ 4.5 V 16 24 20 6 V 14 20 17 ↑ 2 V 100 150 125 tsu Setup time CLK INH low before CLK ↑ 4.5 V 20 30 25 ns 6 V 17 26 21 ↑ 2 V 80 120 100 Data before CLK ↑ 4.5 V 16 24 20 6 V 14 20 17 ↑ 2 V 40 60 50 CLR inactive before CLK ↑ 4.5 V 8 12 10 6 V 7 10 9 ↑ 2 V 0 0 0 SH/LD high after CLK ↑ 4.5 V 0 0 0 6 V 0 0 0 ↑ 2 V 5 5 5 SER after CLK ↑ 4.5 V 5 5 5 th Hold time 6 V 5 5 5 ns th Hold time ↑ 2 V 0 0 0 ns CLK INH high after CLK ↑ 4.5 V 0 0 0 6 V 0 0 0 ↑ 2 V 5 5 5 Data after CLK ↑ 4.5 V 5 5 5 6 V 5 5 5 |
Nº de peça semelhante - SN74HC166 |
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Descrição semelhante - SN74HC166 |
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