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| PI5C32160C 16-Bit to 32-Bit, DeMux PCI Hot-Plug Bus Switch with -1.5V Undershoot Protection Features * * * * * * * * * * * * RON is 5 typical Pull-up on B1 and B2 ports Undershoot protection on A-port only: -1.5V Low Power: 70A typical Industrial Operation Temperature: -40C to +85C Near-Zero propagation delay Switching speed: 5ns max. Channel on capacitance: 15pF max. VCC Operating Range: +4.5V to +5.5V ESD>2000V . . . Human Body Model >100 MHz bandwidth (or clock rate) at 20pF load capacitance Packaging (Pb-free & Green available) - 56-pin TSSOP (A) Description Pericom Semiconductor's PI5C32160C is a 16 to 32-bit demultiplexer bus switch. Industry leading advantages include a propagation delay of 250ps, resulting from 5 channel resistance, and low I/O capacitance. A port demultiplexes to either 1B and 2B or to both. The switch is bidirectional. Application Provides PCI Hot-Plugging Block Diagram Pin Description VBIAS1 Pullup 1B1 VBIAS2 Pullup 1B2 VBIAS1 Pullup 16B1 VBIAS2 Pullup 16B2 1A 16A SEL1 SEL2 1 PS8362E 03/10/05 PI5C32160C 16-Bit to 32-Bit, DeMux PCI Hot-Plug Bus Switch with -1.5V Undershoot Protection Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ............................................................ -65C to +150C Ambient Temperature with Power Applied ........................... -40C to +85C Supply Voltage to Ground Potential (Inputs & VCC Only).....-0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) ..-0.5V to +7.0V DC Input Voltage ....................................................................-0.5V to +7.0V DC Output Current............................................................................... 120mA Power Dissipation ................................................................................... 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 5V 10%, VBIAS = 1.3V to VCC) Parameters VIH VIL IIH IIL IOZH IOZL Description Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current High Impedance Output Current Low Impedence Output Current Test Conditions(1) Min. 2.0 -0.5 0.8 1 1 1 0.25 -1.0 -0.7 5 10 -1.8 8 15 5 mA A V A Typ(2) Max. Units V Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND A= 0V or VCC Max., VBIAS1 = VBIAS2 = VCC Max. B = 0V, VBIAS1 = VBIAS2 = VCC Max. B = VCC max., VBIAS1 = VBIAS2 = VCC Max. VIK RON Clamp Diode Voltage Switch On-Resistance(4) VCC = Min., IIN = -18mA VCC = Min., VIN = 0.0V, ION = 48mA VCC = Min., VIN = 2.4V, ION = 15mA Truth Table Function NA to NB1 NA to NB2 NA to NB1 NB1, NB2 SEL1 L H L H SEL2 H L L H and NB2 to VBIAS 2 PS8362E 03/10/05 PI5C32160C 16-Bit to 32-Bit, DeMux PCI Hot-Plug Bus Switch with -1.5V Undershoot Protection Capacitance (TA = 25C, f = 1 MHz) Parameters(5) Description Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On VIN = 0V Test Conditions Typ. 3.5 6.5 13.5 pF Max. Units CIN COFF CON Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, TA = 25C ambient and maximum loading. 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 pins at indicated current through the switch. On-Resistance is determined by the lower of the voltages on the two (A & B) pins. 5. This parameter is determined by device characterization but is not production tested. Power Supply Characteristics Parameters ICC ICC Description Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) Test Conditions(1) VCC = Max. VCC = Max. VCC = Max., A and B Pins Open Control Input Toggling 50% Duty Cycle VIN = GND or VCC VIN = 3.4V(3) other pin=VCC or GND Min. Typ(2) 70 Max. 200 2.5 Units A mA mA/ MHz ICCD 0.25 Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 5.0V, +25C ambient. 3. Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to ICC. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design. 5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested. Switching Characteristics over Operating Range PI5C32160C Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propagation Delay(2,3) A to B Bus Enable Time SEL TO A,B Bus Disable Time SEL to A,B CL = 50pF RL = 500 1.3 0.5 Test Conditions(1) Min. Com. Typ. 0.25 5.0 5.0 Max. Units ns Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. 3 PS8362E 03/10/05 PI5C32160C 16-Bit to 32-Bit, DeMux PCI Hot-Plug Bus Switch with -1.5V Undershoot Protection Applications Information Logic Inputs The logic control inputs can be driven up to +5.5V regardless of the supply voltage. For example, given a +5.0V supply, IN may be driven low to 0V and high to 5.5V. Driving IN Rail-to-Rail(R) minimizes power consumption. Proper power-supply sequencing is recommended for all CMOS devices. Always apply VCC before applying Vbias and signals to the input/output pins. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd Packaging Mechanical: 56-pin TSSOP (A) 56 .236 6.0 .244 6.2 1 .547 13.9 .555 14.1 1.20 .047 Max. SEATING PLANE .004 0.09 .008 0.20 .0197 BSC 0.50 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS .007 .011 0.17 0.27 .002 .006 0.05 0.15 0.45 .018 0.75 .030 .319 BSC 8.1 Ordering Information Ordering Code PI5C32160CA PI5C32160CAE Package Code A A Package Description 56-pin 240-mil wide, TSSOP Pb-free & Green, 56-pin 240-mil wide, TSSOP Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com 4 PS8362E 03/10/05 |
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