2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch ADG3248 FEATURES FUNCTIONAL BLOCK DIAGRAM 225 ps propagation delay through the switch ADG3248 4.5 switch connection between ports A0 Data rate 1.244 Gbps B A1 2.5 V/3.3 V supply operation Level translation IN 3.3 V to 2.5 V 2.5 V to 1.8 V NOTES Small signal bandwidth 610 MHz 1. SWITCHES SHOWN FOR A LOGIC 0 INPUT 6-lead SC70 package Figure 1. APPLICATIONS 3.3 V to 2.5 V voltage translation 2.5 V to 1.8 V voltage translation Bus switching Docking stations Memory switching Analog switch applications GENERAL DESCRIPTION Table 1. ADG3248 Truth Table The ADG3248 is a 2.5 V or 3.3 V, high performance 2:1 multiplexer/demultiplexer. It is designed on a low voltage IN Pin Logic Level Function CMOS process, which provides low power dissipation yet gives Low (L) B = A0 high switching speed and very low on resistance. The low on High (H) B = A1 resistance allows the input to be connected to the output without additional propagation delay or generating additional PRODUCT HIGHLIGHTS ground bounce noise. 1. 3.3 V or 2.5 V supply operation. Each switch of the ADG3248 conducts equally well in both 2. Extremely low propagation delay through switch. directions when on. The ADG3248 exhibits break-before-make 3. 4.5 switches connect inputs to outputs. switching action, preventing momentary shorting when 4. Tiny SC70 package. switching channels. The ADG3248 is available in a tiny 6-lead SC70 package. Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 www.analog.com license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Fax: 781.461.3113 20032007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 04404-001ADG3248 TABLE OF CONTENTS Features .............................................................................................. 1 Pin Configuration and Function Descriptions..............................5 Applications....................................................................................... 1 Typical Performance Characteristics ..............................................6 General Description ......................................................................... 1 Terminology.......................................................................................9 Functional Block Diagram .............................................................. 1 Bus Switch Applications ................................................................ 10 Product Highlights ........................................................................... 1 Mixed Voltage Operation, Level Translation.......................... 10 Revision History ............................................................................... 2 Analog Switching ....................................................................... 10 Specifications..................................................................................... 3 Multiplexing................................................................................ 11 Absolute Maximum Ratings............................................................ 4 Outline Dimensions....................................................................... 12 ESD Caution.................................................................................. 4 Ordering Guide .......................................................................... 12 REVISION HISTORY 10/07Rev. 0 to Rev. A Updated Format..................................................................Universal Changes to Table 1............................................................................ 1 Changes to Table 3,........................................................................... 4 Changes to Ordering Guide .......................................................... 12 10/03Revision 0: Initial Version Rev. A Page 2 of 12