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SN54HC374 Datasheet(PDF) 4 Page - Texas Instruments |
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SN54HC374 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 15 page SN54HC374, SN74HC374 OCTAL EDGETRIGGERED DTYPE FLIPFLOPS WITH 3STATE OUTPUTS SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) V TA = 25°C SN54HC374 SN74HC374 UNIT VCC MIN MAX MIN MAX MIN MAX UNIT 2 V 6 4 5 fclock Clock frequency 4.5 V 30 20 24 MHz fclock Clock frequency 6 V 35 24 28 MHz 2 V 80 120 100 tw Pulse duration, CLK high or low 4.5 V 16 24 20 ns tw Pulse duration, CLK high or low 6 V 14 20 17 ns 2 V 100 150 125 tsu Setup time, data before CLK ↑ 4.5 V 20 30 25 ns tsu Setu time, data before CLK ↑ 6 V 17 25 21 ns 2 V 10 13 12 th Hold time, data after CLK ↑ 4.5 V 5 5 5 ns h , 6 V 5 5 5 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO V TA = 25°C SN54HC374 SN74HC374 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 6 12 4 5 fmax 4.5 V 30 60 20 24 MHz fmax 6 V 35 70 24 28 MHz 2 V 63 180 270 225 tpd CLK Any Q 4.5 V 17 36 54 45 ns t d CLK Any Q 6 V 15 31 46 38 ns 2 V 60 150 225 190 ten OE Any Q 4.5 V 16 30 45 38 ns ten OE Any Q 6 V 14 26 38 32 ns 2 V 36 150 225 190 tdis OE Any Q 4.5 V 17 30 45 38 ns tdis OE Any Q 6 V 16 26 38 32 ns 2 V 28 60 90 75 tt Any Q 4.5 V 8 12 18 15 ns t yQ 6 V 6 10 15 13 |
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