PI3C3245 2.5V/3.3V, High Bandwidth, Hot Insertion 8-Bit, 2-Port, Bus Switch Features Description Near-Zero propagation delay Pericom Semiconductors PI3C3245 is a 2.5 volt or 3.3 volt 8-bit, 2-port bus switch designed with a low On-Resistance (5-ohm) al- 5-ohm switches connect inputs to outputs lowing inputs to be connected directly to outputs. e Th bus switch High Bandwidth Operation (>400 MHz) creates no additional propagational delay or additional ground Permits Hot Insertion bounce noise. e Th switches are turned ON by the Bus Enable (BE) input signal. It is very useful in switching signals that have high 5V I/O Tolerant bandwidth (>400 MHz). Rail-to-Rail 3.3V or 2.5V Switching 2.5V Supply Voltage Operation Packaging (Pb-free & Green): 20-pin 150 mil wide plastic QSOP (Q) Block Diagram Pin Configuration NC 1 20 V CC A0 2 19 BE A0 B0 A1 3 18 B0 A2 4 17 B1 A3 5 16 B2 A7 B7 A4 6 15 B3 A5 7 14 B4 A6 8 13 B5 BE A7 9 12 B6 GND 10 11 B7 (1) Truth Table Pin Description Function BE A0-7 Pin Name Description Disconnect H Hi-Z BE Bus Enable Input (Active LOW) Connect L B0-7 A0-7 Bus A Note: H = High Voltage Level B0-7 Bus B L = Low Voltage Level GND Ground Hi-Z = High Impedance Power V CC All trademarks are property of their respective owners. www.pericom.com PS8162F 08/24/11 11-0112 1PI3C3245 2.5V/3.3V, High Bandwidth, Hot Insertion, 8-Bit, 2-Port, Bus Switch Absolute Maximum Ratings Parameter Min. Max. Units o Storage Temperature -65 150 C o Ambient Temperature with Power Applied -40 85 C -0.5 4.6 V Supply Voltage to Ground Potential (Inputs & V Only) CC Supply Voltage to Ground Potential (Outputs & D/O Only) -0.5 4.6 V DC Input Voltage -0.5 5.5 V DC Output Current - 120 mA Power Dissipation - 0.5 W Stress beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. DC Electrical Characteristics (Over the Operating Range, T = 40C to +85C, V = 3.3V 10%) A CC (1) (2) Parameters Description Test Conditions Min Typ Max Units Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 V V IH Input LOW Voltage Guaranteed Logic LOW Level -0.5 0.8 V V IL Input HIGH Current 1 I V = Max., V = V IH CC IN CC Input LOW Current 1 A I V = Max., V = GND IL CC IN (3) High Impedance Output Current 1 I 0 A, B V OZH CC Clamp Diode Voltage -0.73 -1.2 V V V = Min., I = 18 mA IK CC IN V = Min., V = 0.0V, I = 48mA 5 7 CC IN ON (4) R Switch On Resistance ON V = Min, V = 2.4V, I = 15mA 8 15 CC IN ON Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at V = 3.3V, T = 25C ambient and maximum loading. CC A 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (A,B) pins. Capacitance (T = 25C, f = 1 MHz) A (1) Parameters Description Test Conditions Typ Units Input Capacitance 3.5 pF C V = 0V IN IN A/B Capacitance, Switch Off 5.0 pF C V = 0V OFF IN A/B Capacitance, Switch On 10.0 pF C V = 0V ON IN Notes: 1. This parameter is determined by device characterization but is not production tested. All trademarks are property of their respective owners. www.pericom.com PS8162F 08/24/11 11-0112 2