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SN74HC258PWTE4 데이터시트(PDF) 5 Page - Texas Instruments |
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SN74HC258PWTE4 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 17 page SN54HC257, SN54HC258, SN74HC257, SN74HC258 QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS WITH 3STATE OUTPUTS SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC257 SN74HC257 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 50 100 150 125 A or B Any Y 4.5 V 10 20 30 25 tpd A or B Any Y 6 V 9 17 25 21 ns tpd 2 V 50 100 150 125 ns A/B Any Y 4.5 V 10 20 30 25 A/B Any Y 6 V 9 17 25 21 2 V 75 150 225 190 ten G Any Y 4.5 V 15 30 45 38 ns ten G Any Y 6 V 13 26 38 32 ns 2 V 75 150 225 190 tdis G Any Y 4.5 V 15 30 45 38 ns tdis G Any Y 6 V 13 26 38 32 ns 2 V 28 60 90 75 tt Any Y 4.5 V 8 12 18 15 ns tt Any Y 6 V 6 10 15 13 ns switching characteristics over recommended operating free-air temperature range, CL = 150 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC257 SN74HC257 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 75 150 245 190 A or B Any Y 4.5 V 15 30 45 38 tpd A or B Any Y 6 V 13 26 38 32 ns tpd 2 V 75 150 245 190 ns A/B Any Y 4.5 V 15 30 45 38 A/B Any Y 6 V 13 26 38 32 2 V 100 200 300 250 ten G Any Y 4.5 V 24 40 60 50 ns ten G Any Y 6 V 18 34 51 43 ns 2 V 45 210 315 265 tt Any Y 4.5 V 17 42 63 53 ns tt Any Y 6 V 13 36 53 45 ns |
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