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FST3244QSCX Fiches technique(PDF) 4 Page - Fairchild Semiconductor |
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FST3244QSCX Fiches technique(HTML) 4 Page - Fairchild Semiconductor |
4 / 9 page © 1997 Fairchild Semiconductor Corporation www.fairchildsemi.com FST3244 • Rev. 1.0.3 4 DC Electrical Characteristics Typical values are at VCC = 5.0V and TA = 25°C. TA=-40 to +85°C Symbol Parameter Conditions VCC (V) Min. Typ. Max. Units VIK Clamp Diode Voltage IIN = -18mA 4.5 -1.2 V VIH High-Level Input Voltage 4.0 to 5.5 2.0 V VIL Low-Level Input Voltage 4.0 to 5.5 0.8 V IIN Input Leakage Current 0 ≤ V IN ≤ 5.5V 5.5 ±1.0 µA IOZ Off-state Leakage Current 0 ≤ A, B ≤ V CC 5.5 ±1.0 µA VIN = 0V, IIN = 64mA 4.5 4 7 VIN = 0V, IIN = 30mA 4.5 4 7 VIN = 2.4V, IIN = 15mA 4.5 8 15 RON Switch On Resistance (3) VIN = 2.4V, IIN = 15mA 4.0 11 20 Ω ICC Quiescent Supply Current VIN = VCC or GND, IOUT = 0 5.5 3 µA ΔI CC Increase in ICC per Input One Input at 3.4V, Other Inputs at VCC or GND 5.5 2.5 mA Note: 3. Measured by the voltage drop between the A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on the A or B pins. AC Electrical Characteristics TA = -40 to +85°C, CL = 50pF, and RU = RD = 500Ω. VCC = 4.5 – 5.5V VCC = 4.0V Symbol Parameter Conditions Min. Max. Min. Max. Units Figure tPHL, tPLH Propagation Delay Bus-to Bus (4) VIN = Open 0.25 0.25 ns Figure 3 Figure 4 tPZH ,tPZL Output Enable Time VIN = 7V for tPZL VIN = Open for tPZH 1.0 5.6 6.1 ns Figure 3 Figure 4 tPHZ, tPLZ Output Disable Time VIN = 7V for tPLZ VIN = Open for tPHZ 1.0 6.2 5.6 ns Figure 3 Figure 4 Note: 4. This parameter is guaranteed by design, but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical on resistance of the switch and the 50pF load capacitance when driven by an ideal voltage source (zero output impedance). Capacitance TA = +25°C, f = 1MHz. Capacitance is characterized, but not tested. Symbol Parameter Conditions Typ. Units CIN Control Pin Input Capacitance VCC = 5.0V 3 pF CI/O Input/Output Capacitance VCC, /OE = 5.0V 5 pF |
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