Alliance Semiconductor Expands Mixed Signal Family to Include High Performance, Precision Zero and NonZero Delay Buffers

Low-Voltage I Cs Enable Precise Re-Synchronization and Fan-Out/Distribution Across Multiple Applications

SANTA CLARA, Calif.—(BUSINESS WIRE)—June 28, 2005— Alliance Semiconductor Corporation (Nasdaq: ALSC), a leading worldwide provider of analog and mixed signal products, high-performance memory products, connectivity and networking solutions for the communications, computing, embedded, industrial and consumer markets, today announced the expansion of its Analog and Mixed Signal product portfolio with the availability of its newest families of high-performance Zero Delay Buffers (ZDB's) and Non-Zero Delay (NZDB) Buffers. The ASM5000 family of PLL-based ZDB's and the ASM2000 family of non-PLL-based NZDB's are designed to address the precise, high accuracy and high-performance (greater than 250MHz) clocking needs of various data communications, networking, telecommunications, industrial and many consumer systems.

Fast edge rates (less than 1nS), low propagation delays (50-500pS) high accuracy (duty cycle stability & jitter) along with very high frequency support (greater than 250MHz), characterize both families of these precision buffers. The devices are designed to support one or two 50 ohm transmission lines.

This expansion includes many of the standard high performance (250MHz+) buffers currently in volume demand. The table below details the 3.3 / 2.5V Low Voltage NZDB's devices in this initial release. The second table details the Low Voltage ZDB's. Alliance Semiconductor expects to continue the product expansion as the line continues its evolution into high performance, very low voltage, high accuracy applications.
    Class     ALSC Part Number     PKG Options        DESCRIPTION
----------------------------------------------------------------------
    NZDB          ASM29940L          32 TQFP       CMOS/LVPECL_in 18
                                     32 LQFP         OUT - TO 250MHz
----------------------------------------------------------------------
    NZDB          ASM29942C          32 TQFP      CMOS_in 18 OUT - TO
                                     32 LQFP             250MHz
----------------------------------------------------------------------
    NZDB          ASM29942P          32 TQFP      LVPECL_in 18 OUT -
                                     32 LQFP            TO 250MHz
----------------------------------------------------------------------
    NZDB          ASM299109          32 TQFP       CMOS/LVPECL_in 18
                                     32 LQFP        OUT - TO 250MHz
                                                      W/split rail
----------------------------------------------------------------------
    NZDB          ASM29946           32 TQFP      CMOS_in 10 OUT - TO
                                     32 LQFP       250MHz W/split rail
----------------------------------------------------------------------
    NZDB          ASM29947           32 TQFP      LVTTL_in 9 OUT - TO
                                     32 LQFP            275  MHz
----------------------------------------------------------------------
    NZDB          ASM29948           32 TQFP       CMOS/LVPECL_in 12
                                     32 LQFP         OUT - TO 275MHz
----------------------------------------------------------------------
    NZDB          ASM299456          32 TQFP      LVPECL_in 10 OUT -
                                     32 LQFP       TO 250MHz W/split
                                                          rail
----------------------------------------------------------------------


These precision Non PLL based products support either 2.5 or 3.3V power supplies and provide support from DC to well in excess of specification of 250MHz, with up to 18 outputs for precise fanout and distribution of the clock signal with very low prop delay and output skews. Many of these products (ZDBs and NZDBs) support a "split-rail" design that provides for either 3.3V or 2.5V LVCMOS outputs for conversion / translation of either a LVCMOS or LVPECL input to LVCMOS, and thus allows for use across multiple platforms. Single and multiple output bank configurations are supported as well.
     Class        ALSC Part     PKG Options         DESCRIPTION
                    Number
----------------------------------------------------------------------
      ZDB         ASM59772A       52 TQFP       CMOS_IN : 12 output
                                               200MHz ZDB w/split rail
----------------------------------------------------------------------
      ZDB         ASM59773A       52 TQFP       CMOS/LVPECL_in : 12
                                                 output 200MHz ZDB
                                                    w/split rail
----------------------------------------------------------------------
      ZDB         ASM59774A       52 TQFP     CMOS _IN : 14 output 8.3
                                                            -  125MHz  ZDB  w/split
                                                                                                                rail
----------------------------------------------------------------------
            ZDB                  ASM59775A              52  TQFP          CMOS  _IN  :  14  output  8.3
                                                                                                -  200MHz  ZDB  w/split
                                                                                                                rail
----------------------------------------------------------------------
 


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