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SN74HC157N Datasheet(PDF) 4 Page - Texas Instruments |
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SN74HC157N Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page SN54HC157, SN74HC157 QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS SCLS113D − DECEMBER 1982 − REVISED SEPTEMBER 2003 4 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 SN54HC157 SN74HC157 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 1.9 1.998 1.9 1.9 IOH = −20 µA 4.5 V 4.4 4.499 4.4 4.4 VOH VI = VIH or VIL IOH = −20 µA 6 V 5.9 5.999 5.9 5.9 V VOH VI = VIH or VIL IOH = −6 mA 4.5 V 3.98 4.3 3.7 3.84 V IOH = −7.8 mA 6 V 5.48 5.8 5.2 5.34 2 V 0.002 0.1 0.1 0.1 IOL = 20 µA 4.5 V 0.001 0.1 0.1 0.1 VOL VI = VIH or VIL IOL = 20 µA 6 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 IOL = 7.8 mA 6 V 0.15 0.26 0.4 0.33 II VI = VCC or 0 6 V ±0.1 ±100 ±1000 ±1000 nA ICC VI = VCC or 0, IO = 0 6 V 8 160 80 µA Ci 2 V to 6 V 3 10 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 SN54HC157 SN74HC157 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 63 125 190 160 A or B Y 4.5 V 13 25 38 32 A or B Y 6 V 11 21 32 27 2 V 67 125 190 160 tpd A/B Y 4.5 V 18 25 38 31 ns tpd A/B Y 6 V 14 21 32 27 ns 2 V 59 115 170 145 G Y 4.5 V 16 23 34 29 G Y 6 V 13 20 29 25 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 |
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