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SN74LVC257AD Datasheet(PDF) 4 Page - Texas Instruments |
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SN74LVC257AD Datasheet(HTML) 4 Page - Texas Instruments |
4 / 15 page SN54LVC257A, SN74LVC257A QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS WITH 3STATE OUTPUTS SCAS294N − JANUARY 1993 − REVISED OCTOBER 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 SN54LVC257A SN74LVC257A UNIT PARAMETER TEST CONDITIONS VCC MIN TYP† MAX MIN TYP† MAX UNIT IOH = −100 µA 1.65 V to 3.6 V VCC−0.2 IOH = −100 µA 2.7 V to 3.6 V VCC−0.2 IOH = −4 mA 1.65 V 1.2 VOH IOH = −8 mA 2.3 V 1.7 V VOH IOH = −12 mA 2.7 V 2.2 2.2 V IOH = −12 mA 3 V 2.4 2.4 IOH = −24 mA 3 V 2.2 2.2 IOL = 100 A 1.65 V to 3.6 V 0.2 IOL = 100 µA 2.7 V to 3.6 V 0.2 VOL IOL = 4 mA 1.65 V 0.45 V VOL IOL = 8 mA 2.3 V 0.7 V IOL = 12 mA 2.7 V 0.4 0.4 IOL = 24 mA 3 V 0.55 0.55 II VI = 5.5 V or GND 3.6 V ±5 ±5 µA IOZ VO = VCC or GND 3.6 V ±15 ±10 µA ICC VI = VCC or GND, IO = 0 3.6 V 10 10 µA ∆ICC One input at VCC − 0.6 V, Other inputs at VCC or GND 2.7 V to 3.6 V 500 500 µA Ci VI = VCC or GND 3.3 V 5 5 pF Co VO = VCC or GND 3.3 V 5 5 pF † All typical values are at VCC = 3.3 V, TA = 25°C. switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) SN54LVC257A PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 2.7 V VCC = 3.3 V ± 0.3 V UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX tpd A or B Y 5.4 1 4.6 ns tpd A/B Y 7.5 1 6.4 ns ten OE Y 6.7 1 5.6 ns tdis OE Y 4.7 0.5 4.3 ns tsk(o) 1 ns |
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