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SN74CBT6845CDGVRG4 Datasheet(PDF) 5 Page - Texas Instruments |
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SN74CBT6845CDGVRG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 20 page SN74CBT6845C 8BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS 5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION SCDS140 − OCTOBER 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK Control inputs VCC = 4.5 V, IIN = −18 mA −1.8 V VIKU Data inputs VCC = 5 V, 0 mA > II ≥ −50 mA, VIN = VCC or GND, Switch OFF −2 V VO(USP)‡ VCC = BIASV = 5 V, II = −10 mA, VIN = VCC or GND, Switch OFF 3 V VO B port VCC = 0 V, BIASV = Vx, IO = 0 Vx −0.1 Vx V IIN Control inputs VCC = 5.5 V, VIN = VCC or GND ±1 µA IO B port VCC = 4.5 V, BIASV = 2.4 V, VO = 0, Switch OFF, VIN = VCC or GND 0.25 mA IOZ§ VCC = 5.5 V, VO = 0 to 5.5 V, VI = 0, Switch OFF, VIN = VCC or GND ±10 µA Ioff VCC = 0, VO = 0 to 5.5 V, VI = 0 10 µA ICC VCC = 5.5 V, II/O = 0, VIN = VCC or GND, Switch ON or OFF 3 µA ∆ICC¶ Control inputs VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 2.5 mA Cin Control inputs VIN = 3 V or 0 4 pF Cio(OFF) A port VI/O = 3 V or 0, Switch OFF, VIN = VCC or GND 5.5 pF Cio(ON) VI/O = 3 V or 0, Switch ON, VIN = VCC or GND 13.5 pF VCC = 4 V, TYP at VCC = 4 V VI = 2.4 V, IO = −15 mA 8 12 ron# VI = 0 IO = 64 mA 3 6 Ω ron# VCC = 4.5 V VI = 0 IO = 30 mA 3 6 Ω VCC = 4.5 V VI = 2.4 V, IO = −15 mA 5 10 VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins. † All typical values are at VCC = 5 V (unless otherwise noted), TA = 25°C. ‡ VO(USP) = A-port undershoot static protection. § For I/O ports, the parameter IOZ includes the input leakage current. ¶ This is the increase in supply current for each input that is at the specified voltage level, rather than VCC or GND. # 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. switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) PARAMETER TEST CONDITIONS FROM (INPUT) TO (OUTPUT) VCC = 4 V VCC = 5 V ± 0.5 V UNIT PARAMETER CONDITIONS (INPUT) (OUTPUT) MIN MAX MIN MAX UNIT tpd|| A or B B or A 0.24 0.15 ns tPZH BIASV = GND OE A or B 5.2 1.5 4.8 ns tPZL BIASV = 3 V OE A or B 5.2 1.5 4.8 ns tPHZ BIASV = GND OE A or B 4.9 1.5 5.3 ns tPLZ BIASV = 3 V OE A or B 4.9 1.5 5.3 ns || 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). |
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Similar Description - SN74CBT6845CDGVRG4 |
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