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SN74HC258NSR Scheda tecnica(PDF) 6 Page - Texas Instruments |
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SN74HC258NSR Scheda tecnica(HTML) 6 Page - Texas Instruments |
6 / 21 page SN54HC257, SN54HC258, SN74HC257, SN74HC258 QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS WITH 3STATE OUTPUTS SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003 6 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 SN54HC258 SN74HC258 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 60 100 150 125 A or B Any Y 4.5 V 13 20 30 25 tpd A or B Any Y 6 V 12 17 25 21 ns tpd 2 V 60 115 175 145 ns A/B Any Y 4.5 V 13 23 35 29 A/B Any Y 6 V 12 20 30 25 2 V 70 150 225 190 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 SN54HC258 SN74HC258 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 95 150 245 190 A or B Any Y 4.5 V 23 30 45 38 tpd A or B Any Y 6 V 21 26 38 32 ns tpd 2 V 95 165 240 210 ns A/B Any Y 4.5 V 23 33 48 42 A/B Any Y 6 V 21 28 41 36 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 operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per multiplexer No load 40 pF |
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