PI3B3245 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitchTM Features Description ÎÎNear-Zero propagation delay Pericom Semiconductor’s PI3B3245 is a 3.3V 8-bit, 2-port bus switch designed with a low On-Resistance (5-ohm) 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. ÎÎ5-ohm switches connect inputs to outputs ÎÎFast Switching Speed: 4.5ns (max.) ÎÎUltra-Low Quiescent Power (0.2μA Typical) àà Ideally suited for notebook applications ÎÎTTL-compatible control of inputs levels ÎÎESD protection (2kV Human Body Model and 200V Machine Model) ÎÎPackaging (Pb-free & Green): àà 20-pin QSOP (Q) àà 20-pin TSSOP (L) àà 20-pin SOIC (S) Block Diagram Pin Configuration A0 SW B0 A7 SW B7 NC A0 A1 A2 A3 A4 A5 A6 A7 GND SW BE A B 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Vcc BE B0 B1 B2 B3 B4 B5 B6 B7 BE Truth Table Pin Description Function BE A0-7 Pin Name Disconnect H Hi-Z BE Connect L B0-7 A0-7 Bus A Note: B0-7 Bus B H = High Voltage Level, L = Low Voltage Level, Hi-Z = High Impedance GND Ground VCC All trademarks are property of their respective owners. 10-0247 1 Description Bus Enable Input (Active LOW) Power www.pericom.com PS8162i 12/08/10 PI3B3245 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitchTM Absolute Maximum Ratings Parameter Min. Max. Units Storage Temperature -65 150 o C Ambient Temperature with Power Applied -40 85 o 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, TA = –40°C to +85°C, VCC = 3.3V ±10%) Parameters Description Test Conditions(1) Min VIH Input HIGH Voltage Guaranteed Logic HIGH Level 2.0 VIL Input LOW Voltage Guaranteed Logic LOW Level -0.5 IIH Input HIGH Current IIL Input LOW Current IOZH Typ (2) Max Units V 0.8 V VCC = Max., VIN = VCC ±1 μA VCC = Max., VIN = GND ±1 μA High Impedance Output Current 0 ≤ A N, BN ≤ VCC ±1 μA VIK Clamp Diode Voltage -1.2 V RON Switch On Resistance VCC = Min., IIN = –18 mA (3) VCC = Min., VIN = 0.0V, ION = 48mA or 64mA 5 8 VCC = Min, VIN = 2.4V, ION = 15mA 10 17 Ω 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. 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. Capacitance (TA = 25°C, f = 1 MHz) Parameters(1) Description Test Conditions Typ Units CIN Input Capacitance VIN = 0V 3.0 pF COFF A/B Capacitance, Switch Off VIN = 0V 8.0 pF CON A/B Capacitance, Switch On VIN = 0V 16.0 pF Notes: 1. This parameter is determined by device characterization but is not production tested. All trademarks are property of their respective owners. 10-0247 2 www.pericom.com PS8162i 12/08/10 PI3B3245 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitchTM Power Supply Characteristics Parameters Description Test Conditions(1) Min ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC ΔICC Supply Current per Input HIGH VCC = Max. VIN = 3.0V(3) Typ (2) Max Units 0.1 3.0 μA 750 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 . Switching Characteristics over Operating Range Com. Parameters Description tPLH tPHL Propagation Delay(1,2) 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 Test Conditions Min Max Units 0.25 CL = 50 pF RL = 500Ω 1.0 4.0 1.0 4.5 ns Notes: 1. This parameter is guaranteed but not tested on Propagation Delays. 2. 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 0.25 ns for 50 pF 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. Applications Information Logic Inputs The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a + 3.3V supply, A N may be driven low to 0V and high to 3.6V. Driving BN Rail-to-Rail® minimizes power consumption. Power-Supply Sequencing and Hot-Plug Information Proper power-supply sequencing is recommended for all CMOS devices. Always apply VCC and GND before applying signals to input/output or control pins. Rail-to-Rail is a registeredtrademark of Nippon Motorola, Ltd. All trademarks are property of their respective owners. 10-0247 3 www.pericom.com PS8162i 12/08/10 PI3B3245 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitchTM Packaging Mechanical: 20-Pin QSOP (Q) DOCUMENT CONTROL NO. PD - 1202 20 REVISION: H .008 0.20 MIN. .150 .157 3.81 3.99 DATE: 10/22/07 .008 .013 0.20 0.33 Guage Plane .010 0.254 1 Detail A .337 8.56 .344 8.74 0˚-6˚ .016 .035 0.41 0.89 .041 1.04 REF .058 REF 1.47 .053 .069 .015 x 45˚ 0.38 1.35 1.75 Detail A 1 .007 .010 SEATING PLANE .025 BSC 0.635 .004 0.101 .010 0.254 .008 0.203 .012 0.305 0.178 0.254 .228 .244 5.79 6.19 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Pericom Semiconductor Corporation 3545 N. 1st Street, San Jose, CA 95134 1-800-435-2335 • www.pericom.com Note: 1) Controlling dimensions in inches. 2) Ref: JEDEC MO-137B/AD 3) Dimensions do not include mold flash, protrusions or gate burrs DESCRIPTION: 20-Pin, 150-Mil Wide, QSOP PACKAGE CODE: Q Packaging Mechanical: 20-Pin TSSOP (L) DOCUMENT CONTROL NO. PD - 1311 20 REVISION: E DATE: 03/09/05 .169 .177 1 .252 .260 6.4 6.6 .004 0.09 .008 0.20 .047 1.20 Max 1 .0256 BSC 0.65 4.3 4.5 .007 .012 0.19 0.30 .002 .006 0.45 0.75 SEATING PLANE .238 .269 6.1 6.7 0.05 0.15 Pericom Semiconductor Corporation 3545 N. 1st Street, San Jose, CA 95134 1-800-435-2336 • www.pericom.com Note: 1. Package Outline Exclusive of Mold Flash and Metal Burr 2. Controlling dimentions in millimeters 3. Ref: JEDEC MO-153F/AC All trademarks are property of their respective owners. .018 .030 DESCRIPTION: 20-Pin, 173-Mil Wide, TSSOP PACKAGE CODE: L 10-0247 4 www.pericom.com PS8162i 12/08/10 PI3B3245 3.3V, Hot Insertion, 8-Bit, 2-Port NanoSwitchTM Packaging Mechanical: 20-Pin SOIC (S) DOCUMENT CONTROL NO. PD - 1006 20 REVISION: D .2914 .2992 DATE: 03/09/05 7.40 7.60 .010 .029 0.254 x 45˚ 0.737 1 .496 12.60 .511 12.99 .0091 .0125 0-8˚ .020 0.508 REF .030 0.762 0.41 .016 1.27 .050 1 .0926 .1043 2.35 2.65 .394 .419 10.00 10.65 SEATING PLANE .050 BSC 1.27 0.23 0.32 .013 .020 0.33 0.51 .0040 .0118 0.10 0.30 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS Pericom Semiconductor Corporation 3545 N. 1st Street, San Jose, CA 95134 1-800-435-2335 • www.pericom.com Notes: 1) Controlling dimensions in millimeters. 2) Ref: JEDEC MS-013D/AC DESCRIPTION: 20-Pin, 300-Mil Wide, SOIC PACKAGE CODE: S Ordering Information Ordering Code Package Code Package Type PI3B3245QE Q Pb-free & Green, 20-pin QSOP PI3B3245LE L Pb-free & Green, 20-pin TSSOP PI3B3245SE S Pb-free & Green, 20-pin SOIC Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. E = Pb-free and Green 3. Adding an X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 All trademarks are property of their respective owners. 10-0247 5 www.pericom.com PS8162i 12/08/10