PI3C34X245 2.5V/3.3V, High Bandwidth, Hot Insertion 32-Bit, 2-Port, Bus Switch Features Description Near-Zero propagation delay Pericom Semiconductors PI3C34X245 is a 2.5V or 3.3V, 32-bit, 2-port bus switch designed with a low On-Resistance (5-ohms) 5-ohm switches connect inputs to outputs allowing inputs to be connected directly to outputs. The bus 2.5V Supply Voltage Operation switch creates no additional propagational delay or additional Permits Hot Insertion ground bounce noise. e Th switches are turned ON by the Bus En - able (BE) input signal. It is very useful in switching signals that Capable of Hot-Swapping have high bandwidth (>400 MHz). 5V I/O Tolerant High Bandwidth Operation (>400 MHz) Packaging (Pb-free & Green): 80-pin 150-mil wide plastic BQSOP (B) Block Diagram Pin Configuration A0 B0 1 80 NC VCC 2 79 A0 BE1 A1 3 78 B0 A7 B7 A2 4 77 B1 A3 5 76 B2 A4 6 75 B3 BE1 A5 7 74 B4 A6 8 73 B5 A8 B8 A7 9 72 B6 GND 10 71 B7 11 70 VCC NC A15 B15 A8 12 69 BE2 A9 13 68 B8 A10 14 67 BE2 B9 A11 15 66 B10 A12 16 65 B11 A16 B16 17 64 A13 B12 18 63 B13 A14 A15 19 62 B14 A23 B23 GND 20 61 B15 NC 21 60 VCC BE3 22 59 BE3 A16 23 58 B16 A17 A18 24 57 B17 A24 B24 A19 25 56 B18 A20 26 55 B19 A31 A21 27 54 B20 B31 A22 28 53 B21 A23 29 52 B22 BE4 30 51 GND B23 NC 31 50 VCC A24 32 49 BE4 Pin Description A25 33 48 B24 A26 34 47 B25 Pin Name Description A27 35 46 B26 A28 36 45 B27 BEn Bus Enable Input (Active LOW) A29 37 44 B28 A30 38 43 B29 A0 A31 Bus A A31 39 42 B30 GND 40 41 B31 B0 B31 Bus B All trademarks are property of their respective owners. www.pericom.com PS8429F 10/23/13 13-0159 1PI3C34X245 2.5V/3.3V, High Bandwidth, Hot Insertion, 32-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 Supply Voltage to Ground Potential -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 V Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 V IH V Input LOW Voltage Guaranteed Logic LOW Level -0.5 0.8 V IL I Input HIGH Current V = Max., V = V 1 IH CC IN CC I Input LOW Current V = Max., V = GND 1 A IL CC IN I High Impedance Output Current 0 A, B V 1 OZH CC Clamp Diode Voltage -0.73 -1.2 V V V = Min., I = 18 mA IK CC IN 5 7 V = Min., V = 0.0V, I = 48mA CC IN ON (3) Switch On Resistance R ON 8 15 V = Min, V = 2.4V, I = 15mA CC IN ON Capacitance (T = 25C, f = 1 MHz) A (4) Parameters Description Test Conditions Typ Units Input Capacitance 3.5 pF C IN A/B Capacitance, Switch Off 5.0 pF C V = 0V OFF IN A/B Capacitance, Switch On 10.0 pF C 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. 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. 4. This parameter is determined by device characterization but is not production tested. All trademarks are property of their respective owners. www.pericom.com PS8429F 10/23/13 13-0159 2