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74CBTLV16800GRG4 데이터시트(PDF) 4 Page - Texas Instruments |
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74CBTLV16800GRG4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 12 page www.ti.com Electrical Characteristics Switching Characteristics SN74CBTLV16800 LOW-VOLTAGE 20-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS SCDS045J – DECEMBER 1997 – REVISED MARCH 2005 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT VIK VCC = 3 V, II = –18 mA –1.2 V II VCC = 3.6 V, VI = VCC or GND ±1 µA Ioff A port VCC = 0, VI or VO = 0 to 3.6 V 10 µA IO VCC = 3 V, BIASV = 2.4 V, VO= 0, OE = VCC 0.25 mA ICC VCC = 3.6 V, IO = 0, VI = VCC or GND 10 µA ∆I CC (2) Control inputs VCC = 3.6 V, One input at 3 V, Other inputs at VCC or GND 300 µA Ci Control inputs VI = 3 V or 0 4.5 pF Cio(OFF) VO = 3 V or 0, Switch off, BIASV = Open 6.5 pF II = 64 mA 5 9 VI = 0 VCC = 2.3 V, II = 24 mA 5 9 TYP at VCC = 2.5 V VI = 1.7 V, II = 15 mA 25 35 ron(3) Ω II = 64 mA 5 7 VI = 0 VCC = 3 V II = 24 mA 5 7 VI = 2.4 V, II = 15 mA 8 15 (1) All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C. (2) This is the increase in supply current for each input that is at the specified voltage level, rather than VCC or GND. (3) Measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by the lower of the voltages of the two (A or B) terminals. over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V VCC = 3.3 V TEST FROM TO ± 0.2 V ± 0.3 V PARAMETER UNIT CONDITIONS (INPUT) (OUTPUT) MIN MAX MIN MAX tpd(1) A or B B or A 0.15 0.25 ns tPZH BIASV = GND 2.9 7.7 2.2 5.5 OE A or B ns tPZL BIASV = 3 V 2.8 6.4 2.1 5.3 tPHZ BIASV = GND 1.4 6.8 2.6 7.6 OE A or B ns tPLZ BIASV = 3 V 1.3 4.2 1.5 5.1 (1) The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance). 4 |
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