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SN74HC240DBR Datasheet(PDF) 4 Page - Texas Instruments |
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SN74HC240DBR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 18 page SN54HC240, SN74HC240 OCTAL BUFFERS AND LINE DRIVERS WITH 3STATE OUTPUTS SCLS128D − DECEMBER 1982 − REVISED AUGUST 2003 4 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 SN54HC240 SN74HC240 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 50 100 150 125 tpd A Y 4.5 V 10 20 30 25 ns tpd A Y 6 V 9 17 25 21 ns 2 V 75 150 225 190 ten OE Y 4.5 V 15 30 45 38 ns ten OE Y 6 V 13 26 38 32 ns 2 V 44 150 225 190 tdis OE Y 4.5 V 22 30 45 38 ns tdis OE Y 6 V 21 26 38 32 ns 2 V 28 60 90 75 tt Y 4.5 V 8 12 18 15 ns tt 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 SN54HC240 SN74HC240 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 75 150 225 190 tpd A Y 4.5 V 15 30 45 38 ns tpd A Y 6 V 13 26 38 32 ns 2 V 100 200 300 250 ten OE Y 4.5 V 20 40 60 50 ns ten OE Y 6 V 17 34 51 43 ns 2 V 45 210 315 265 tt Y 4.5 V 17 42 63 53 ns tt Y 6 V 13 36 53 45 ns operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per buffer/driver No load 35 pF |
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