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IntroductionSilicon Systems' K-Series Family of One-Chip ModemsSilicon Systems is a leader in the design and manufacturingof CMOS VLSI modems. Currently, SiliconSystems offers the most extensive line of one-chipmodem ICs available, with high-performance, costeffectivedesigns suitable for a wide range of applications.Silicon Systems' fully compatible modem ICfamily has redefined the modem IC as a universalcomponent which can be easily integrated into anysystem. Designs can be upgraded to meet differentstandards and speeds by simply substituting one K­Series IC for another. Using a K-Series family modemIC in your application eliminates product obsolesence,and minimizes development costs.The Silicon Systems modem IC family consists of fourbasic products:1. The SSI 73K222L, a multi-mode device whichcombines both Bell 212AJ1 03 and V.22N.21 capabilityin one chip, with operating modes at 0 - 30,600 and 1200 bit/so2. The SSI 73K222U which combines the functionalityof the 73K222L with the industry standard16C450 UART.3. The SSI 73K224L, a major technological breakthroughwhich provides 2400 bit/s V.22bis operationin addition to V.22N.21 and Bell 212AJ103modes in a single IC.4. The SSI 73K322L provides CCID V.22N.21 plusV.23 Videotex modes.addition, an innovative bus structure makes a separatecontroller unnecessary in dedicated integral designs.All K-Series devices are available in low-power versions.This feature allows optimal performance withsingle +5V supply operation and is unique to SiliconSystems' products.Silicon Systems' single-chip modem IC family isdesigned to be the most effective solution for a widevariety of modem applications. The products providefor a full range of communications standards andspeeds up to 2400 bit/so Moreover, features can beextended to include additional modes and higheroperating speeds without impacting existing designs.Take advantage of these capabilities. Design fortomorrow's needs today by using Silicon Systems'K-Series modem IC family.K-Series Modem Design ManualThe Silicon Systems K-Series Modem Design Manualcontains a large body of application literature for theK-Series family of single chip modem products. Thismanual is intended as a tutorial for those users whomay be designing with modems for the first time, andalso as a helpful guide for more experienced modemdesigners.K·SERIESMODEMDESIGNMANUALNew additions to Silicon Systems' modem IC familyextend the available operating modes and providefeatures which greatly simplify integral modem design.The SSI 73K324L offers V.22bis, V.22N.21 and V.23operating modes on one chip. These products dramaticallyreduce external circuitry required for dedicatedintegral modem designs.Silicon Systems' one-chip modem IC products representtechnical achievements unmatched in the industry.An advanced Digital Signal Processor resides onthe same chip with sophisticated analog circuitry in theSSI 73K224L and SSI73K324L products. "U" versionsof the K-Series devices integrate an industry standardUART with full modem capability on a single chip. InThe K-Series Modem Design Manual is availablethrough our worldwide network of representatives anddistributors.3-0