전자부품 데이터시트 검색엔진 |
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74LV244A 데이터시트(PDF) 5 Page - Texas Instruments |
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74LV244A 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 18 page SN54LV244A, SN74LV244A OCTAL BUFFERS/DRIVERS WITH 3STATE OUTPUTS SCLS383L − SEPTEMBER 1997 − REVISED APRIL 2005 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC SN54LV244A SN74LV244A UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN TYP MAX UNIT IOH = −50 µA 2 V to 5.5 V VCC−0.1 VCC−0.1 VOH IOH = −2 mA 2.3 V 2 2 V VOH IOH = −8 mA 3 V 2.48 2.48 V IOH = −16 mA 4.5 V 3.8 3.8 IOL = 50 µA 2 V to 5.5 V 0.1 0.1 VOL IOL = 2 mA 2.3 V 0.4 0.4 V VOL IOL = 8 mA 3 V 0.44 0.44 V IOL = 16 mA 4.5 V 0.55 0.55 II VI = 5.5 V or GND 0 to 5.5 V ±1 ±1 µA IOZ VO = VCC or GND 5.5 V ±5 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 20 20 µA Ioff VI or VO = 0 to 5.5 V 0 5 5 µA Ci VI = VCC or GND 3.3 V 2.3 2.3 pF switching characteristics over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54LV244A SN74LV244A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tpd A Y 7.5* 12.5* 1* 15* 1 15 ten OE Y CL = 15 pF 8.9* 14.6* 1* 17* 1 17 ns tdis OE Y CL = 15 pF 9.1* 14.1* 1* 16* 1 16 ns tpd A Y 9.5 15.3 1 18 1 18 ten OE Y CL = 50 pF 10.8 17.8 1 21 1 21 ns tdis OE Y CL = 50 pF 13.4 19.2 1 21 1 21 ns tsk(o) 2 2 * On products compliant to MIL-PRF-38535, this parameter is not production tested. switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54LV244A SN74LV244A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT tpd A Y 5.4* 8.4* 1* 10* 1 10 ten OE Y CL = 15 pF 6.3* 10.6* 1* 12.5* 1 12.5 ns tdis OE Y CL = 15 pF 7.6* 11.7* 1* 13* 1 13 ns tpd A Y 6.8 11.9 1 13.5 1 13.5 ten OE Y CL = 50 pF 7.8 14.1 1 16 1 16 ns tdis OE Y CL = 50 pF 11 16 1 18 1 18 ns tsk(o) 1.5 1.5 * On products compliant to MIL-PRF-38535, this parameter is not production tested. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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유사한 설명 - 74LV244A |
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