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SN74CB3Q3345PWR Arkusz danych(PDF) 4 Page - Texas Instruments |
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SN74CB3Q3345PWR Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 17 page www.ti.com Recommended Operating Conditions (1) Electrical Characteristics (1) SN74CB3Q3345 8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH SCDS144B – OCTOBER 2003 – REVISED MARCH 2005 MIN MAX UNIT VCC Supply voltage 2.3 3.6 V VCC = 2.3 V to 2.7 V 1.7 5.5 VIH High-level control input voltage V VCC = 2.7 V to 3.6 V 2 5.5 VCC = 2.3 V to 2.7 V 0 0.7 VIL Low-level control input voltage V VCC = 2.7 V to 3.6 V 0 0.8 VI/O Data input/output voltage 0 5.5 V TA Operating free-air temperature –40 85 °C (1) All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(2) MAX UNIT VIK VCC = 3.6 V, II = –18 mA –1.8 V IIN Control inputs VCC = 3.6 V, VIN = 0 to 5.5 V ±1 µA VO = 0 to 5.5 V, Switch OFF, IOZ(3) VCC = 3.6 V, ±1 µA VI = 0, VIN = VCC or GND Ioff VCC = 0, VO = 0 to 5.5 V, VI = 0 1 µA II/O = 0, ICC VCC = 3.6 V, VIN = VCC or GND 0.7 2 mA Switch ON or OFF, ∆I CC (4) Control inputs VCC = 3.6 V, One input at 3 V, Other inputs at VCC or GND 30 µA VCC = 3.6 V, A and B ports open, Per control mA/ ICCD(5) 0.13 0.14 input MHz Control input switching at 50% duty cycle Cin Control inputs VCC = 3.3 V, VIN = 5.5 V, 3.3 V, or 0 2.5 3.5 pF Switch OFF, Cio(OFF) VCC = 3.3 V, VI/O = 5.5 V, 3.3 V, or 0 3.5 5 pF VIN = VCC or GND, Switch ON, Cio(ON) VCC = 3.3 V, VI/O = 5.5 V, 3.3 V, or 0 9 11.5 pF VIN = VCC or GND, VI = 0, IO = 30 mA 4 8 VCC = 2.3 V, TYP at VCC = 2.5 V VI = 1.7 V, IO = –15 mA 4.5 9 ron(6) Ω VI = 0, IO = 30 mA 4 6 VCC = 3 V VI = 2.4 V, IO = –15 mA 4.5 8 (1) VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins. (2) All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C. (3) For I/O ports, the parameter IOZ includes the input leakage current. (4) This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. (5) This parameter specifies the dynamic power-supply current associated with the operating frequency of a single control input (see Figure 2). (6) 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. 4 |
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