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SN74HC244QDWREP Datasheet(PDF) 3 Page - Texas Instruments |
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SN74HC244QDWREP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 14 page SN74HC244EP OCTAL BUFFER AND LINE DRIVER WITH 3STATE OUTPUTS SCLS463A − JULY 2002 − REVISED JANUARY 2004 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 MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT 2 V 1.9 1.998 1.9 IOH = −20 µA 4.5 V 4.4 4.499 4.4 VOH VI = VIH or VIL IOH = −20 µA 6 V 5.9 5.999 5.9 V VOH VI = VIH or VIL IOH = −6 mA 4.5 V 3.98 4.3 3.7 V IOH = −7.8 mA 6 V 5.48 5.8 5.2 2 V 0.002 0.1 0.1 IOL = 20 µA 4.5 V 0.001 0.1 0.1 VOL VI = VIH or VIL IOL = 20 µA 6 V 0.001 0.1 0.1 V VOL VI = VIH or VIL IOL = 6 mA 4.5 V 0.17 0.26 0.4 V IOL = 7.8 mA 6 V 0.15 0.26 0.4 II VI = VCC or 0 6 V ±0.1 ±100 ±1000 nA IOZ VO = VCC or 0, VI = VIH or VIL 6 V ±0.01 ±0.5 ±10 µA ICC VI = VCC or 0, IO = 0 6 V 8 160 µA Ci 2 V to 6 V 3 10 10 pF 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 MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX UNIT 2 V 40 115 170 tpd A Y 4.5 V 13 23 34 ns tpd A Y 6 V 11 20 29 ns 2 V 75 150 225 ten OE Y 4.5 V 15 30 45 ns ten OE Y 6 V 13 26 38 ns 2 V 75 150 225 tdis OE Y 4.5 V 15 30 45 ns tdis OE Y 6 V 13 26 38 ns 2 V 28 60 90 tt Y 4.5 V 8 12 18 ns tt Y 6 V 6 10 15 ns |
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