PO3B16245A www.potatosemi.com 16-Bit, 2-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 PO3B16245A is designed for world top performance using submicron CMOS technology to achieve GHz high bandwidth. Pin Configuration NC 1B0 1B1 GND 1B2 1B3 VCC 1B4 1B5 GND 1B6 1B7 2B0 2B1 GND 2B2 2B3 VCC 2B4 2B5 GND 2B6 2B7 NC 1 48 4 5 6 7 8 9 10 45 44 43 42 41 40 39 2 3 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Potato Semiconductor Corporation 47 46 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1BE The PO3B16245A is a 16-Bit, 2-Port Bus Switch. The switch introduces no additional ground bounce noise or propagation delay. Block Diagram 1 A0 SW 1B0 1 A7 SW 1B7 SW 2B0 1A0 1A1 GND 1A2 1A3 VCC 1A4 1A5 GND 1A6 1A7 2A0 2A1 1BE 2A0 SW 2A7 SW 2B7 2BE A B BE GND 2A2 2A3 VCC 2A4 2A5 GND 2A6 2A7 Truth Table Funct ion n BE nA0-7 Disconnect H Hi- Z Connect L n B0- 7 2BE 1 01/01/10 PO3B16245A www.potatosemi.com 16-Bit, 2-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 18 12 18 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 22 VCC = Min., VIN = 2.25V, ION = -15mA 18 22 2 Units V A 01/01/10 PO3B16245A www.potatosemi.com 16-Bit, 2-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 Potato Semiconductor Corporation Conditions See Test Diagram Max. Units 0.3 2.0 ns See Test Diagram 3.0 3 01/01/10 PO3B16245A www.potatosemi.com 16-Bit, 2-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 PO3B16245A www.potatosemi.com 16-Bit, 2-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 PO3B16245ATU for Tube 48pin 240mil TSSOP Pb-free & Green PO3B16245AT -40°C to 85°C PO3B16245ATR for Tape & Reel 48pin 240mil TSSOP Pb-free & Green PO3B16245AT -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