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SN74HCT540DWE4 Datasheet(PDF) 3 Page - Texas Instruments |
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SN74HCT540DWE4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 14 page SN54HCT540, SN74HCT540 OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS SCLS008C – MARCH 1984 – REVISED MARCH 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT540 SN74HCT540 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VOH VI =VIH or VIL IOH = –20 µA 45 V 4.4 4.499 4.4 4.4 V VOH VI = VIH or VIL IOH = –6 mA 4.5 V 3.98 4.3 3.7 3.84 V VOL VI =VIH or VIL IOL = 20 µA 45 V 0.001 0.1 0.1 0.1 V VOL VI = VIH or VIL IOL = 6 mA 4.5 V 0.17 0.26 0.4 0.33 V II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA IOZ VO = VCC or 0, VI = VIH or VIL 5.5 V ±0.01 ±0.5 ±10 ±5 µA ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 µA ∆ICC† One input at 0.5 V or 2.4 V, Other inputs at 0 or VCC 5.5 V 1.4 2.4 3 2.9 mA Ci 4.5 V to 5.5 V 3 10 10 10 pF † This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. 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 SN54HCT540 SN74HCT540 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT t d A Y 4.5 V 13 20 30 25 ns tpd A Y 5.5 V 12 18 27 23 ns t OE Y 4.5 V 20 30 45 38 ns ten OE Y 5.5 V 18 27 41 34 ns tdi OE Y 4.5 V 19 30 45 38 ns tdis OE Y 5.5 V 18 27 41 34 ns tt Y 4.5 V 8 12 18 15 ns tt Y 5.5 V 7 11 16 14 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 SN54HCT540 SN74HCT540 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT t d A Y 4.5 V 20 30 45 38 ns tpd A Y 5.5 V 19 27 41 34 ns t OE Y 4.5 V 26 40 60 50 ns ten OE Y 5.5 V 25 36 54 45 ns tt Y 4.5 V 17 42 63 53 ns tt Y 5.5 V 14 38 57 48 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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