PI3C3861 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 2.5V/3.3V, High Bandwidth, Hot Insertion, 10-Bit, 2-Port, BusSwitch Product Features Product Description • • • • • • • • Pericom’s Semiconductor’s PI3C series of logic circuits are produced using the Company’s advanced submicron CMOS technology, achieving industry leading performance. The PI3C3861 is a 10-bit, 2.5V or 3.3 volt, 2-port bus switch designed with a low ON-Resistance (5Ω) allowing inputs to be connected directly to outputs. The bus switch creates no additional propagational delay or additional ground bounce noise. The switches are turned ON by the Bus Enable (BE) input signal. This device is very userful in switching signals that have high bandwidth (>400 MHz). Near zero propagation delay 5Ω switches connect inputs to outputs High bandwidth (>400 MHz) Rail-to-rail 2.5V or 3.3V switching 5V I/O Tolerant 2.5V Supply Voltage Operation Permits Hot-Insertion Available Packages: – 24-pin 150 mil wide plastic QSOP (Q) – 24-pin 173 mil wide plastic TSSOP (L) Applications • High bandwidth data switching • Hot Docking Product Pin Configuration Logic Block Diagram A0 B0 A9 NC A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 GND B9 BE Truth Table(1) Function Disconnect Connect 1 2 3 4 5 6 7 8 9 10 11 12 24-Pin L, Q 24 23 22 21 20 19 18 17 16 15 14 13 Vcc BE B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 Product Pin Description BE H L A0–9 Hi-Z B0–9 Pin Name BE A0–9 B0–9 GND VCC Note: H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance 1 Description Bus Enable Input (Active LOW) Bus A Bus B Ground Power PS8198C 02/11/03 PI3C3861 2.5V/3.3V, High-Bandwidth, Hot-Insertion, 10 -Bit, 2-Port, Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature .......................................................... –65°C to +150°C Note: Stresses greater than those listed under MAXIMUM Ambient Temperature with Power Applied ............................. –40°C to +85°C RATINGS may cause permanent damage to the device. Supply Voltage to Ground Potential (Inputs & Vcc Only) ........ –0.5V to +4.6V This is a stress rating only and functional operation Supply Voltage to Ground Potential (Outputs & D/O Only) ..... –0.5V to +4.6V of the device at these or any other conditions above those indicated in the operational sections of this DC Input Voltage .................................................................... –0.5V to +5.5V specification is not implied. Exposure to absolute maxiDC Output Current ..............................................................................120mA mum rating conditions for extended periods may affect Power Dissipation .................................................................................. 0.5W reliability. DC Electrical Characteristics (Over Operating Range, TA = –40°C to +85°C, VCC = 3.3V ±10%) Parameters Description Test Conditions(1) Min. Typ(2) Max. VIH Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 VIL Input LOW Voltage Guaranteed Logic LOW Level –0.5 IIH Input HIGH Current VCC = Max., VIN = VCC ±1 IIL Input LOW Current VCC = Max., VIN = GND ±1 IOZH High Impedance Output Current 0 ≤ A, B ≤ VCC VIK Clamp Diode Voltage VCC = Min., IIN = –18mA RON Switch On Resistance(4) VCC = Min., VIN = 0.0V, ION = 48mA VCC = Min., VIN = 2.4V, ION = 15mA Units 0.8 V µA ±1 –0.73 – 1.2 V 5 8 7 15 Ω Capacitance (TA = 25°C, f = 1 MHz) Parameters(5) Description Test Conditions Typ Units CIN COFF Input Capacitance A/B Capacitance, Switch Off VIN = 0V VIN = 0V 3.5 5.0 pF CON A/B Capacitance, Switch On VIN = 0V 10.0 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 = 3.3V, TA = 25°C 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 pin 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. 2 PS8198C 02/11/03 PI3C3861 2.5V/3.3V, High-Bandwidth, Hot-Insertion, 10 -Bit, 2-Port, Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Parameters Description Test Conditions(1) Min. ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC ∆ICC Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.0V(3) Typ(2) Max. 260 500 750 Units µA Notes: 1. For Max. or Min.conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 3.3V, +25°C ambient. 3. Per TTL driven input (control input 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. Switching Characteristics over 3.3V Operating Range PI3C3861 Com. Parame te rs De s cription tPLH tPHL Propagation Delay (2,3) Ax to Bx, Bx to Ax tPZH tPZL Bus Enable Time BE to Ax or Bx tPHZ tPLZ Bus Disable Time BE to Ax or Bx Conditions M in. M a x. Units 0.25 CL = 50pF, RL = 500Ω 1.5 6.5 1.5 5.5 ns Switching Characteristics over 2.5V Operating Range PI3C3861 Com. Parame te rs De s cription tPLH tPHL Propagation Delay ( 2 , 3 ) Ax to Bx, Bx to Ax tPZH tPZL Bus Enable Time BE to Ax or Bx tPHZ tPLZ Bus Disable Time BE to Ax or Bx Conditions M in. M a x. Units 0.25 CL = 50pF, RL = 500Ω 1.5 9.8 1.5 8.3 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 PS8198C 02/11/03 PI3C3861 2.5V/3.3V, High-Bandwidth, Hot-Insertion, 10 -Bit, 2-Port, Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 4.0 VCC = 3.3V 3.1V 2.9V 2.7V 2.5V VOUT, (V) 2.3V 3.8V 3.6V 3.4V 3.2V 3.0V 2.8V 2.0 0.0 0.0 1.0 3.0 2.0 4.0 5.0 VIN, (V) OutputVoltage Voltage vs. over Various Supply Voltages Output vs. Input InputVoltage Voltage over Various Supply Voltages 4 PS8198C 02/11/03 PI3C3861 2.5V/3.3V, High-Bandwidth, Hot-Insertion, 10 -Bit, 2-Port, Bus Switch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Packaging Mechanical: 24-pin TSSOP (package code L) 24 .169 .177 4.3 4.5 .004 .008 1 .303 .311 7.7 7.9 0.45 0.75 .047 1.20 Max .002 .006 .007 .012 0.19 0.30 .0256 BSC 0.65 0.09 0.20 .018 .030 .252 BSC 6.4 SEATING PLANE 0.05 0.15 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS Packaging Mechanical: 24-pin QSOP (package code Q) 24 .008 0.20 MIN. .150 .157 3.81 3.99 .008 .013 0.20 0.33 Guage Plane .010 0.254 .016 .035 0.41 0.89 Detail A 1 .337 .344 .041 1.04 REF 8.56 8.74 .033 0.84 0˚-6˚ .053 .069 .015 x 45˚ 0.38 1.35 1.75 Detail A .007 .010 SEATING PLANE .025 typical 0.635 .008 0.203 .012 0.305 .016 .050 .004 0.101 .010 0.254 0.178 0.254 0.406 1.27 .228 .244 5.79 6.20 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Ordering Information Part Pin - Package Dime ns ions PI3C3861L 24 - TSSOP (L) –40°C to +85°C PI3C3861Q 24 - QSOP (Q) –40°C to +85°C Pericom Semiconductor Corporation 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com 5 PS8198C 02/11/03