PI3B3244 3.3V, Hot Insertion, TM 8-Bit, 2-Port NanoSwitch Features Description Near-Zero propagation delay Pericom Semiconductors PI3B series of logic circuits are pro- duced using the Companys advanced sub-micron CMOS tech- 5-ohm switches connect inputs to outputs nology, achieving industry leading performance. Fast Switching Speed: 4.5ns (max.) e Th PI3B3244 features a set of 3.3V 8-bit bus switches, which is Ultra-Low Quiescent Power (0.2A Typical) pinout and function compatible with the P74FCT244T, 74F244, Ideally suited for notebook applications and 74ALS/AS/LS2448-bit drivers. Two enable signals (BEn) turn Packaging (Pb-free & Green): the switches on similar to the enable signals of the 244. e Th bus switch create no additional propagation delay or ground bounce 20-pin 173-mil wide plastic TSSOP (L) noise. Block Diagram Pin Configuration BE 1 20 Vcc BE1 1 1A0 2 19 BE2 1B0 1A0 SW 2B3 3 18 1B0 1A1 4 17 2A3 2B2 5 16 1B1 1B1 1A1 SW 1A2 6 15 2A2 7 14 2B1 1B2 1A2 1B0 8 13 SW 1A3 2A1 9 12 2B0 1B3 SW 10 11 GND 2A0 1A3 1B1 SW A B Pin Description BE2 Pin Name Description 2A0 2B0 SW BE BEn Bus Enable Input (Active LOW) A0-7 Bus A 2B1 2A1 SW B0-7 Bus B 2A2 2B2 GND Ground SW Power V CC 2B3 2A3 SW (1) Truth Table BE1 BE2 1A, 1B 2A, 2B H H Disconnect Disconnect L H 1A = 1B Disconnect H L Disconnect 2A = 2B L L 1A = 1B 2A = 2B Note: 1. H = High Voltage Level, L = Low Voltage Level All trademarks are property of their respective owners. www.pericom.com PS8149H 09/27/10 11-0003 1PI3B3244 TM 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitch 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 4.6 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 A IH CC IN CC I Input LOW Current V = Max., V = GND 1 A IL CC IN I High Impedance Output Current 0 I , Y V 1 A OZH N N CC Clamp Diode Voltage -1.2 V V V = Min., I = 18 mA IK CC IN V = Min., V = 0.0V, I = 48mA CC IN ON 5 8 (3) or 64mA R Switch On Resistance ON V = Min, V = 2.4V, I = 15mA 10 17 CC IN ON Capacitance (T = 25C, f = 1 MHz) A (1) Parameters Description Test Conditions Typ Units C Input Capacitance V = 0V 3.0 pF IN IN C A/B Capacitance, Switch Off V = 0V 8.0 pF OFF IN C A/B Capacitance, Switch On V = 0V 16.0 pF ON IN 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 PS8149H 09/27/10 11-0003 2