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SN54LV244A Datasheet(PDF) 4 Page - Texas Instruments |
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SN54LV244A Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page SN54LV244A, SN74LV244A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS383B – SEPTEMBER 1997 – REVISED JUNE 1998 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS V 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 = VCC or GND 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 V 20 20 µA Ci VI =VCC or GND 3.3 V 2.3 2.3 pF Ci VI = VCC or GND 5 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 (INPUT) (OUTPUT) 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 9.1 14.1 1 16 1 16 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. † Skew between any two outputs of the same package switching in the same direction 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 (INPUT) (OUTPUT) 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 7.6 11 1 13 1 13 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. † Skew between any two outputs of the same package switching in the same direction 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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