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SN74ALVCH245 Datasheet(PDF) 4 Page - Texas Instruments |
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SN74ALVCH245 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 14 page www.ti.com ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS OPERATING CHARACTERISTICS SN74ALVCH245 OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS SCES119G – JULY 1997 – REVISED SEPTEMBER 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 25 VI = 1.07 V 1.65 V -25 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(2) 3.6 V ±500 IOZ(3) 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 Ci Control inputs VI = VCC or GND 3.3 V 4.5 pF Cio A or B ports VO = VCC or GND 3.3 V 12 pF (1) All typical values are at VCC = 3.3 V, TA = 25°C. (2) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another. (3) For I/O ports, the parameter IOZ includes the input leakage current. over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V VCC = 2.7 V FROM TO ± 0.15 V ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX tpd A or B B or A 1.5 6 1 3.5 3.6 1.3 3.4 ns ten OE A or B 3.4 8.6 2 6 6.3 1.6 5.5 ns tdis OE A or B 2.7 8 1 4.8 5.3 1.7 5.5 ns T A = 25°C VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V PARAMETER TEST CONDITIONS UNIT TYP TYP TYP Outputs enabled 25 28 31 Power dissipation capacitance Cpd CL = 0, f = 10 MHz pF per transceiver Outputs disabled 0 0 0 4 |
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