PO3B16244A www.potatosemi.com 16-Bit, 4-Port Bus Switch High Bandwidth Potato Chip FEATURES: DESCRIPTION: • Patented technology • High signal -3db passing bandwidth at 1.1GHz • Near-Zero propagation delay • VCC = 1.65V to 3.6V • Ultra-Low Quiescent Power: 0.1 A typical • Ideally suited for low power applications • Industrial operating temperature: -40°C to +85°C • Available in 48 pin TSSOP package Potato Semiconductor’s PO3B16244A is designed for world top performance using submicron CMOS technology to achieve GHz high bandwidth. Pin Configuration 1BE 1B0 1B1 1 48 2BE 3 46 1A1 2 GND 4 1B3 6 1B2 VCC 2B0 2B1 GND 2B2 2B3 3B0 3B1 5 7 8 9 10 11 12 13 14 GND 15 3B3 17 3B2 VCC 4B0 4B1 16 18 19 20 GND 21 4B3 23 4B2 4BE 22 24 Potato Semiconductor Corporation 47 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 The PO3B16244A is a 16-Bit, 4-Port Bus Switch. The switch introduces no additional ground bounce noise or propagation delay. Block Diagram 1BE 3BE 1A0 SW 1B0 3A0 SW 3B0 1A1 SW 1B1 3A1 SW 3B1 1A2 SW 1B0 3A2 SW 3B0 1A3 1A3 SW 1B1 3A3 SW 3B1 2A0 2BE SW 2B0 4A0 SW 4B0 2A1 SW 2B1 4A1 SW 4B1 2A2 SW 2B2 4A2 SW 4B2 2A3 SW 2B3 4A3 SW 4B3 1A0 GND 1A2 VCC 2A1 GND 2A2 2A3 3A0 3A1 GND 2A0 4BE SW A B BE 3A2 3A3 VCC 4A0 4A1 GND 4A2 4A3 Truth Table Funct ion n BE nA 0-7 Disconnect H Hi- Z C onnect L nB0- 7 3BE 1 01/01/10 PO3B16244A www.potatosemi.com 16-Bit, 4-Port Bus Switch High Bandwidth Potato Chip Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ................................................ –65°C to +150°C Ambient Temperature with Power Applied ............... –40°C to +85°C Supply Voltage to Ground Potential ........................... –0.5V to +4.6V DC Input Voltage ........................................................ –0.5V to +Vcc 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, 3.3V Supply (Over the Operating Range, TA = –40°C to +85°C, VCC = 3.3V ±10%) Parameters Description Min. Test Conditions Max. Typ. VIH Input HIGH Voltage Guaranteed Logic HIGH Level VIL Input LOW Voltage Guaranteed Logic LOW Level 0.8 IIH Input HIGH Current VCC = Max., VIN = VCC ±1 IIL Input LOW Current VCC = Max., VIN = GND ±1 IOZH High Impedance Output Current 0 Y, In 2.0 VCC ION = -48 mA or -64mA Switch On-Resistance V A ±1 VCC = Min., VIN = 0.0V, RON Units VCC = Min., VIN = VCC , ION = -15 mA 12 24 12 24 DC Electrical Characteristics, 2.5V Supply (Over Operating Range, TA = –40°C to +85°C, VCC = 2.5V ± 10%) Parameters Description Test Conditions Min. Typ. Max. VIH Input HIGH Voltage Guaranteed Logic HIGH Level 1.8 VCC + 0.3 VIL Inout LOW Voltage Guaranteed Logic LOW Level –0.3 0.8 IIH Input HIGH Current VCC = Max., VIN = VCC ±1 IIL Input LOW Current VCC = Max., VIN = GND ±1 IOZH High Impedance Current 0 ±1 RON Switch On Resistance Potato Semiconductor Corporation Y, In VCC VCC = Min., VIN = 0.0V, ION = –48mA 18 26 VCC = Min., VIN = 2.25V, ION = -15mA 18 26 2 Units V A 01/01/10 PO3B16244A www.potatosemi.com 16-Bit, 4-Port Bus Switch High Bandwidth Potato Chip Power Supply Characteristics Symbol Icc Description Quiescent Power Supply Current Test Conditions (1) Min Typ Vcc=Max, Vin=Vcc or GND - 0.1 Max Unit 3 uA Notes: 1. 2. 3. 4. 5. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. Typical values are at Vcc = 3.3V, 25°C ambient. This parameter is guaranteed but not tested. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. VoH = Vcc – 0.6V at rated current Capacitance Parameters (TA = 25°C f = 1 MHz) Description Test Conditions Typ. Units CIN COFF Input Capacitance A/B Capacitance, Switch Off VIN = 0V VIN = 0V 3.0 5.0 pF pF CON A/B Capacitance, Switch On VIN =0V 10.0 pF Dynamic Electrical Characteristics Over the Operating Range (TA = -40º to +85º, VCC = 3.3V ± 10%) Parameter Description Test Condition Typ. XTALK Crosstalk RL = 100 -60 OIRR Off-Isolation RL = 100 -60 BW -3dB Bandwidth RL = 100 1.1 Units dB GHz Switching Characteristics over 3.3V Operating Range Parameters Description tPLH tPHL Propogation Delay tPZH tPZL Bus Enable Time tPHZ tPLZ Bus Disable Time Conditions See Test Diagram Max. Units 0.3 2.0 ns See Test Diagram Potato Semiconductor Corporation 3.0 3 01/01/10 PO3B16244A www.potatosemi.com 16-Bit, 4-Port Bus Switch High Bandwidth Potato Chip Switching Characteristics over 2.5V Operating Range Parameters Description tPLH tPHL Propogation Delay tPZH tPZL Bus Enable Time tPHZ tPLZ Bus Disable Time Max. Conditions See Test Diagram Units 0.3 2.0 ns See Test Diagram 3.0 Test Circuit for Electrical Characteristics Switch Positions Test Switch tPLZ, tPZL 6.0V tPHZ, tPZH GND Prop Delay Open 6.0V VCC 200-ohm Pulse Generator VOUT VIN D.U.T 10pF CL RT 200-ohm Switching Waveforms SEL 2.5V Input Output 3.5V 2.5V tPLH tPHL 2.5V 2.5V 1.5V Output VOH VOL Voltage Waveforms Propagation Delay Times Potato Semiconductor Corporation 1.25V 1.25V tPZL VDD/2 VDD/2 0V VOH VOL +0.3V tPHZ tPZH Output tPLZ 2.5V VOH –0.3V VOL VOH VOL Voltage Waveforms Enable and Disable Times 4 01/01/10 PO3B16244A www.potatosemi.com 16-Bit, 4-Port Bus Switch High Bandwidth Potato Chip Packaging Mechanical Drawing: 48 pin TSSOP 48 .236 .244 1 .018 0.45 .030 0.75 6.0 6.2 .319 8.1 .488 12.4 .496 12.6 .004 0.09 .008 0.20 .047 1.20 Max .007 .010 .0197 0.50 .002 .006 0.17 0.27 0.05 0.15 X.XX X.XX DENOTES DIMENSIONS IN MILLIMETERS IC Ordering Information Ordering Code Package Top-Marking TA PO3B16244ATU for Tube 48pin 240mil TSSOP Pb-free & Green PO3B16244AT -40°C to 85°C PO3B16244ATR for Tape & Reel 48pin 240mil TSSOP Pb-free & Green PO3B16244AT -40°C to 85°C IC Package Information PACKAGE CODE T PACKAGE TYPE TAPE WIDTH (mm) 240mil TSSOP 48 24 Potato Semiconductor Corporation TAPE PITCH (mm) 12 PIN 1 LOCATION TAPE TRAILER LENGTH Top Left Corner 26 (12”) 5 QTY PER REEL 1500 TAPE LEADER LENGTH 43 (20”) QTY PER TUBE 39 01/01/10