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SN74AUCH244RGYR Datasheet(PDF) 4 Page - Texas Instruments |
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SN74AUCH244RGYR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 12 page SN74AUCH244 OCTAL BUFFER/DRIVER WITH 3STATE OUTPUTS SCES433 − MARCH 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 MIN TYP† MAX UNIT IOH = −100 µA 0.8 V to 2.7 V VCC−0.1 IOH = −0.7 mA 0.8 V 0.55 VOH IOH = −3 mA 1.1 V 0.8 V VOH IOH = −5 mA 1.4 V 1 V IOH = −8 mA 1.65 V 1.2 IOH = −9 mA 2.3 V 1.8 IOL = 100 µA 0.8 V to 2.7 V 0.2 IOL = 0.7 mA 0.8 V 0.25 VOL IOL = 3 mA 1.1 V 0.3 V VOL IOL = 5 mA 1.4 V 0.4 V IOL = 8 mA 1.65 V 0.45 IOL = 9 mA 2.3 V 0.6 II A and OE inputs VI = VCC or GND 0 to 2.7 V ±5 µA VI = 0.35 V 1.1 V 10 IBHL‡ VI = 0.47 V 1.4 V 15 A IBHL‡ VI = 0.57 V 1.65 V 20 µA VI = 0.7 V 2.3 V 40 VI = 0.8 V 1.1 V −10 IBHH§ VI = 0.9 V 1.4 V −15 A IBHH§ VI = 1.07 V 1.65 V −20 µA VI = 1.7 V 2.3 V −40 1.3 V 75 IBHLO¶ VI = 0 to VCC 1.6 V 125 A IBHLO¶ VI = 0 to VCC 1.95 V 175 µA 2.7 V 275 1.3 V −75 IBHHO# VI = 0 to VCC 1.6 V −125 A IBHHO# VI = 0 to VCC 1.95 V −175 µA 2.7 V −275 Ioff VI or VO = 2.7 V 0 ±10 µA IOZ VO = VCC or GND 2.7 V ±10 µA ICC VI = VCC or GND, IO = 0 0.8 V to 2.7 V 20 µA Ci VI = VCC or GND 2.5 V 2.5 3 pF Co VO = VCC or GND 2.5 V 5.5 6 pF † All typical values are at TA = 25°C. ‡ The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and then raising it to VIL max. § The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and then lowering it to VIH min. ¶ An external driver must source at least IBHLO to switch this node from low to high. # An external driver must sink at least IBHHO to switch this node from high to low. |
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