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SN74LVC257APWLE Datasheet(PDF) 4 Page - Texas Instruments |
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SN74LVC257APWLE Datasheet(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com Electrical Characteristics Switching Characteristics Switching Characteristics SN54LVC257A, SN74LVC257A QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS SCAS294N – JANUARY 1993 – REVISED JUNE 2005 over recommended operating free-air temperature range (unless otherwise noted) SN54LVC257A SN74LVC257A PARAMETER TEST CONDITIONS VCC UNIT MIN TYP(1) MAX MIN TYP(1) MAX 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 2.7 V 2.2 2.2 IOH = –12 mA 3 V 2.4 2.4 IOH = –24 mA 3 V 2.2 2.2 1.65 V to 3.6 V 0.2 IOL = 100 µA 2.7 V to 3.6 V 0.2 IOL = 4 mA 1.65 V 0.45 VOL V IOL = 8 mA 2.3 V 0.7 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 One input at VCC – 0.6 V, ∆I CC 2.7 V to 3.6 V 500 500 µA Other inputs at VCC or GND Ci VI = VCC or GND 3.3 V 5 5 pF Co VO = VCC or GND 3.3 V 5 5 pF (1) All typical values are at VCC = 3.3 V, TA = 25°C. over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) SN54LVC257A FROM TO VCC = 3.3 V PARAMETER VCC = 2.7 V UNIT (INPUT) (OUTPUT) ± 0.3 V MIN MAX MIN MAX A or B 5.4 1 4.6 tpd Y ns A/B 7.5 1 6.4 ten OE Y 6.7 1 5.6 ns tdis OE Y 4.7 0.5 4.3 ns tsk(o) 1 ns over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) SN74LVC257A FROM TO VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V PARAMETER VCC = 2.7 V UNIT (INPUT) (OUTPUT) ± 0.15 V ± 0.2 V ± 0.3 V MIN MAX MIN MAX MIN MAX MIN MAX A or B 1 13.5 1 7.4 1 5.4 1 4.6 tpd Y ns A/B 1 15.6 1 9.5 1 7.5 1 6.4 ten OE Y 1 14.6 1 8.7 1 6.7 1 5.6 ns tdis OE Y 1 15.4 1 6.7 1 4.7 1 4.3 ns tsk(o) 1 ns 4 |
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