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SN74HC253DBRE4 数据表(PDF) 5 Page - Texas Instruments |
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SN74HC253DBRE4 数据表(HTML) 5 Page - Texas Instruments |
5 / 19 page SN54HC253, SN74HC253 DUAL 4LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS WITH 3STATE OUTPUTS SCLS133E − DECEMBER 1982 − REVISED SEPTEMBER 2003 5 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 SN54HC253 SN74HC253 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 IOZ VO = VCC or 0 6 V ±0.01 ±0.5 ±10 ±5 µA 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 SN54HC253 SN74HC253 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 62 150 225 190 A or B Any Y 4.5 V 19 30 45 38 tpd A or B Any Y 6 V 16 26 38 32 ns tpd Data 2 V 54 126 210 175 ns Data (Any C) Y 4.5 V 16 28 42 35 (Any C) Y 6 V 13 23 36 30 2 V 28 100 150 125 ten OE Y 4.5 V 11 20 30 25 ns ten OE Y 6 V 9 17 26 21 ns 2 V 21 135 203 170 tdis OE Y 4.5 V 14 30 45 38 ns tdis OE Y 6 V 12 35 38 31 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 |
类似零件编号 - SN74HC253DBRE4 |
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类似说明 - SN74HC253DBRE4 |
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