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SN74AUCH32244 数据表(PDF) 6 Page - Texas Instruments |
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SN74AUCH32244 数据表(HTML) 6 Page - Texas Instruments |
6 / 12 page www.ti.com Electrical Characteristics SN74AUCH32244 32-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES412B – SEPTEMBER 2002 – REVISED JUNE 2005 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT IOH = –100 µA 0.8 V to 2.7 V VCC – 0.1 IOH = –0.7 mA 0.8 V 0.55 IOH = –3 mA 1.1 V 0.8 VOH V IOH = –5 mA 1.4 V 1 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 IOL = 3 mA 1.1 V 0.3 VOL V IOL = 5 mA 1.4 V 0.4 IOL = 8 mA 1.65 V 0.45 IOL = 9 mA 2.3 V 0.6 II A or OE inputs VI = VCC or GND 0 to 2.7 V ±5 µA VI = 0.35 V 1.1 V 10 VI = 0.47 V 1.4 V 15 IBHL(2) µA VI = 0.57 V 1.65 V 20 VI = 0.7 V 2.3 V 40 VI = 0.8 V 1.1 V –10 VI = 0.9 V 1.4 V –15 IBHH(3) µA VI = 1.07 V 1.65 V –20 VI = 1.7 V 2.3 V –40 1.3 V 75 1.6 V 125 IBHLO(4) VI = 0 to VCC µA 1.95 V 175 2.7 V 275 1.3 V –75 1.6 V –125 IBHHO(5) VI = 0 to VCC µA 1.95 V –175 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 40 µA Ci VI = VCC or GND 2.5 V 3 4.5 pF Co VO = VCC or GND 2.5 V 4 7 pF (1) All typical values are at TA = 25°C. (2) 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. (3) 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. (4) An external driver must source at least IBHLO to switch this node from low to high. (5) An external driver must sink at least IBHHO to switch this node from high to low. 6 |
类似零件编号 - SN74AUCH32244 |
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类似说明 - SN74AUCH32244 |
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