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SN74ALVCH244PWG4 Fiches technique(PDF) 4 Page - Texas Instruments |
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SN74ALVCH244PWG4 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 16 page www.ti.com ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SN74ALVCH244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES112F – JULY 1997 – REVISED AUGUST 2004 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT IOH = -100 µA 1.65 V to 3.6 V VCC - 0.2 IOH = -4 mA 1.65 V 1.2 IOH = -6 mA 2.3 V 2 VOH 2.3 V 1.7 V IOH = -12 mA 2.7 V 2.2 3 V 2.4 IOH = -24 mA 3 V 2 IOL = 100 µA 1.65 V to 3.6 V 0.2 IOL = 4 mA 1.65 V 0.45 IOL = 6 mA 2.3 V 0.4 VOL V 2.3 V 0.7 IOL = 12 mA 2.7 V 0.4 IOL = 24 mA 3 V 0.55 II VI = VCC or GND 3.6 V ±5 µA VI = 0.58 V 1.65 V (2) VI = 1.07 V 1.65 V (2) VI = 0.7 V 2.3 V 45 II(hold) VI = 1.7 V 2.3 V -45 µA VI = 0.8 V 3 V 75 VI = 2 V 3 V -75 VI = 0 to 3.6 V (3) 3.6 V ±500 IOZ VO = VCC or GND 3.6 V ±10 µA ICC VI = VCC or GND, IO = 0 3.6 V 10 µA ∆I CC One input at VCC - 0.6 V, Other inputs at VCC or GND 3 V to 3.6 V 750 µA Control inputs 4.5 Ci VI = VCC or GND 3.3 V pF Data inputs 6 Co Outputs VO = VCC or GND 3.3 V 8 pF (1) All typical values are at VCC = 3.3 V, TA = 25°C. (2) This information was not available at the time of publication. (3) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another. over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V VCC = 3.3 V VCC = 1.8 V VCC = 2.7 V FROM TO ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX tpd A Y (1) 1 3.1 3.1 1.1 2.8 ns ten OE Y (1) 1.5 5.4 5.3 1.5 4.5 ns tdis OE Y (1) 1 4.1 4.4 1.7 4.2 ns (1) This information was not available at the time of publication. 4 |
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