PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic FEATURES: DESCRIPTION: . Patented technology . Operating frequency up to 1GHz with 2pf load . Operating frequency up to 730MHz with 5pf load . Operating frequency up to 320MHz with 15pf load Potato Semiconductor’s PO74G16245B is designed for world top performance using submicron CMOS technology to achieve 1GHz TTL /CMOS output frequency with less than 1.65ns propagation delay. This Octal bus buffer gate is designed for 1.2-V to 3.6-V VCC operation. . Operating frequency up to 75MHz with 50pf load . VCC Operates from 1.2V to 3.6V . Propagation delay < 1.65ns max with 15pf load . Low input capacitance: 5pf typical . Available in 48pin TSSOP package The PO74G16245B features independent 16-bit Bidirectional Transceiver with 3 state outputs. Each output is disabled when the associated outputenable(OE) input is high. Pin Configuration Logic Block Diagram 1DIR 1 48 1OE 1B0 2 47 1A0 1B1 3 46 1A1 GND 4 45 GND 1B2 5 44 1A2 1B3 6 43 1A3 VCC 7 42 VCC 1B4 8 41 1A4 1B5 9 40 1A5 GND 10 39 GND 1B6 11 38 1A6 1B7 12 37 1A7 2B0 13 36 2A0 2B1 14 35 2A1 GND 15 34 GND 2B2 16 33 2B2 2B3 17 32 2A3 VCC 18 31 VCC 2B4 19 30 2A4 2B5 20 29 2A5 GND 21 28 GND 2B6 22 27 2A6 2B7 23 26 2A7 2DIR 24 25 2OE Pin Description Pin Name 1DIR 2DIR 1OE 1A0 2OE 2A0 1B0 1A1 2B0 2A1 1B1 1A2 2B1 2A2 1B2 1A3 2B2 2A3 1B3 1A4 2B3 2A4 1B4 1A5 2B4 2A5 1B5 1A6 2B5 2A6 1B6 1A7 2B6 2A7 1B7 2B7 Truth Table De s cription Inputs Outputs xOE 3- State Output Enable Inputs (Active LOW) xOE xDIR xDIR Direction Control Input L L Bus B Data to Bus A XAX Side A Inputs or 3- State Inputs L H Bus A Data to Bus B XBX Side B Outputs or 3- State Outputs H X GND Ground VCC Power Z 1 Copyright © Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic Maximum Ratings Description Max Unit Storage Temperature -65 to 150 °C Operation Temperature -40 to 85 °C Operation Voltage -0.5 to +4.6 V Input Voltage -0.5 to +Vcc V Output Voltage -0.5 to Vcc+0.5 V DC Electrical Characteristics VCC Supply Voltage High- level Input Voltage stresses greater than 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 specification is not implied. (Over the Operating Range, TA = –40°C +85°C) M in. M a x. O perating 1.4 3.6 Data retention only 1.2 VCC = 1.2V VIH Note: VCC VCC = 1.4V to 1.6V 0.65 x VCC VCC = 1.65V to 1.95V 0.65 x VCC VCC = 2.3V to 2.7V VCC = 3V to 3.6V 1.7 2 VCC = 1.2V VIL Low- level Input Voltage VI Input Voltage VO O utput Voltage GN D VCC = 1.4V to 1.6V 0.35 x VCC VCC = 1.65V to 1.95V 0.35 x VCC VCC = 2.3V to 2.7V 0.7 VCC = 3V to 3.6V 0.8 0 3.6 Active State 0 VCC 3- State 0 High- level output current –4 VCC = 1.65V to 1.95V –6 VCC = 2.3V to 2.7V – 12 VCC = 3V to 3.6V – 24 VCC = 1.4V to 1.6V IOL Low- level output current ΔtΔv Input transition rise or fall rate TA O perating free- air temperature V 3.6 VCC = 1.4V to 1.6V IOH Units 4 VCC = 1.65V to 1.95V 6 VCC = 2.3V to 2.7V 12 VCC = 3V to 3.6V 24 VCC = 1.4V to 3.6V –40 mA 5 ns/V 85 °C 2 Copyright © Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic DC Electrical Characteristics Te s t Conditions (1) Parame te rs VO H VO L CI VCC M in. Typ. M ax. IO HS = –4mA VIH = 0.91V 1. 4 V 1.05 IO HS = –6mA VIH = 1.07V 1.65V 1. 2 IO HS = –12mA VIH = 1.7V 2.3V 1. 7 5 IO HS = –24mA VIH = 2V 3V 2.0 IO LS = 4mA VIL = 0.49V 1.4V 0.4 IO LS = 6mA VIL = 0.57V 1. 6 5 V 0.45 IO LS = 12mA VIL = 0.7V 2 . 3V 0.55 IO LS = 24mA VIL = 0.8V 3V 0.8 II VI = VC C or GND 3.6V ± 2.5 IO Z VO = VC C or GND 3.6V ± 10 IC C VI = VC C or GND 3.6V ±350 Control Inputs VI = VC C or GND Data Inputs CO (Over the Operating Range, TA = –40°C +85°C) Outputs VO = VC C or GND IO = 0 Units V µA 3.5 5 pF 5 Notes: 1. Typical values are measured at TA = 25°C. 3 Copyright © Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic Switching Characteristics From (Input) To (Output) VCC = 1.2V VCC = 1.5V ± 0.1V VCC = 1.8V ± 0.15V VCC = 2.5V ± 0.2V VCC = 3.3V ± 0.3V Typ. Max Max Max Max tpd A or B B or A 3.5 3.5 2.9 1.85 1.65 ten OE B or A 8.4 9.6 7.0 4.3 3.5 tdis OE B or A 8.4 9.6 7.0 4.3 3.5 fmax CL=2pf A or B B or A 270 300 685 1000 fmax CL=5pf A or B B or A 150 150 390 730 fmax CL=15pf A or B B or A 100 130 220 320 fmax CL=50pf A or B B or A 45 50 70 75 Parame te rs Operating Characteristics, Parame te rs Cpd Power Dissipation Capacitance Units ns Mhz TA= 25°C Te s t Conditions CL = 0pF, f = 10 MHz VCC = 1.2V VCC = 1.8V ± 0.15V VCC = 2.5V ± 0.2V VCC = 3.3V ± 0.3V Typical Typical Typical Typical 18.5 20 22 26 Units pF 4 Copyright © 2005-2006, Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic Test Waveforms Test Circuit 500 Ω 50Ω 50pF to 2pF 50 Ω 500 Ω 5 Copyright © Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic Packaging Mechanical Drawing: 48 pin TSSOP 48 .236 .244 1 .319 8.1 .488 12.4 .496 12.6 .004 0.09 .008 0.20 .047 1.20 Max .0197 0.50 .018 0.45 .030 0.75 6.0 6.2 .007 .010 0.17 0.27 .002 .006 0.05 0.15 X.XX X.XX DENOTES DIMENSIONS IN MILLIMETERS 6 Copyright © Potato Semiconductor Corporation PO74G16245B 1.2v-3.6v, 16-bit Bidirectional Transceiver with 3 state outputs 12/18/08 74 Series GHz Logic Ordering Information Ordering Code Package Top-Marking TA PO74G16245ASU 48pin TSSOP Tube Pb-free & Green PO74G16245AS -40°C to 85°C PO74G16245ASR 48pin TSSOP Tape and reel Pb-free & Green PO74G16245AS -40°C to 85°C IC Package Information PACKAGE CODE T PACKAGE TYPE TSSOP 48 TAPE WIDTH (mm) 24 TAPE PITCH (mm) 12 PIN 1 LOCATION Top Left Corner TAPE TRAILER LENGTH 26 (12”) QTY PER REEL 1500 TAPE LEADER LENGTH 43 (20”) QTY PER TUBE 39 7 Copyright © Potato Semiconductor Corporation