PI3B16245 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 3.3V, 16-Bit, 2-Port NanoSwitch Description Features Pericom Semiconductors PI3B16245 is a 3.3 volt, hot-insertion, 16- Near-Zero propagation delay bit, 2-port bus switch that is pin compatible with the 74 series 16245 5-ohm switches connect inputs to outputs 16-bit transceiver. Two enable signals (nBE) turn the switches on Fast Switching Speed - 4ns max. similar to the enable signals of the 16245. The bus switch creates no Pin compatible with 74 series 16245 additional propagation delay or additional ground bounce noise. Operating V Range: 3.0V to 3.6V CC Industrial operating temperature: 40C to +85C Packaging (Pb-free & Green available): 48-pin 240-mil wide thin plastic TSSOP (A) 48-pin 300-mil wide plastic SSOP (V) Pin Configuration Block Diagram NC 1 48 1BE 1A0 1B0 SW 1B0 2 47 1A0 1B1 3 46 1A1 GND 4 45 GND 1B2 5 44 1A2 SW 1A7 1B7 1B3 6 43 1A3 SW VCC 7 42 VCC 1B4 8 41 1A4 A B 1BE 1B5 9 40 1A5 GND 10 39 GND 1B6 11 38 1A6 BE 1B7 12 37 1A7 2A0 2B0 SW 2B0 13 36 2A0 2B1 14 35 2A1 GND 15 34 GND SW 2B2 16 33 2A2 2A7 2B7 2B3 17 32 2A3 VCC 18 31 VCC 2B4 19 30 2A4 2BE 2B5 20 29 2A5 GND 21 28 GND 2B6 22 27 2A6 (1) Truth Table 2B7 23 26 2A7 NC 24 25 2BE FEunction n7B nA0- DHisconnect Hi-Z Pin Description CLonnect nB0-7 POin NameIn/ Descriptio Note: nIBE Bus Output Enable (Active Low) 1. H = High Voltage Level L = Low Voltage Level nOA0-nA7 IA/ Bus Hi-Z = High Impedance nOB0-nB7 IB/ Bus PS8189E 10/01/04 1PI3B16245 3.3V, 16-Bit, 2-Port NanoSwitch 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.) Note: Storage Temperature ...................................................... 65C to +150C Stresses greater than those listed under MAXIMUM RAT- Ambient Temperature with Power Applied ...................... 40C to +85C INGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at Supply Voltage Range ....................................................... 0.5V to +4.6V these or any other conditions above those indicated in the DC Input Voltage ............................................................... 0.5V to +4.6V operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended DC Output Current ........................................................................ 120 mA periods may affect reliability. Power Dissipation ............................................................................. 0.5W DC Electrical Characteristics (Over the Operating Range, T = 40C to +85C, V = 3.0V to 3.6V) A CC (1) (2) PnarametersDsescriptio Test Condition M.in. Typ Msax. Unit VIHnput HIGH Voltage Guaranteed Logic HIG 2.0 IH Level V VIWnput LOW Voltage Guaranteed Logic LO80.5 0. IL Level IIVnput HIGH Current = Max., V = V 1 IH CC IN CC A IIVnput LOW Current = Max., V=1GND IL CC IN IH0igh Impedance Output Current A, B V 1 OZH CC VCVlamp Diode Voltage = Min., I=718mA 20. V1. IK CC IN (3) R Switch ON Resistance V = Min., V = 0.0V, 58 ON CC IN I = 48mA ON V = Min., V = 2.4V, 150 1 CC IN I = 15mA ON Capacitance (T = 25C, f = 1 MHz) A (4) ParametersDsescription T.est Condition Tsyp Unit C Input Capacitance 3.0 IN CA5/B Capacitance, Switch Off V = 0V 8. pF OFF IN CA0/B Capacitance, Switch On 17. 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. PS8189E 10/01/04 2