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SY89430VZC Datasheet(PDF) 1 Page - Micrel Semiconductor |
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SY89430VZC Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 9 page The SY89430V is a general purpose, synthesized clock source targeting applications that require both serial and parallel interfaces. Its internal VCO will operate over a range of frequencies from 400MHz to 950MHz. The differential PECL output can be configured to be the VCO frequency divided by 1, 2, 4 or 8. With the output configured to divide the VCO frequency by 2, and with a 16MHz external quartz crystal used to provide the reference frequency, the output frequency can be specified in 1MHz steps. FEATURES DESCRIPTION ClockWorks™ SY89430V 5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER (50MHz to 950MHz) s 5V and 3.3V power supply options s 50MHz to 950MHz differential PECL outputs s ±25ps peak-to-peak output jitter s Minimal frequency over-shoot s Synthesized architecture s Serial 3 wire interface s Parallel interface for power-on s Internal quartz reference oscillator driven by quartz crystal s External loop filter optimizes performance/cost s Applications note (AN-07) for ease of design-ins s Available in 28-pin PLCC and SOIC packages PIN CONFIGURATION APPLICATIONS s Workstations s Advanced communications s High end consumer s High-performance computing s RISC CPU clock s Graphics pixel clock s Test equipment s Other high-performance processor-based applications 26 27 28 1 2 3 4 18 17 16 15 14 13 12 25 24 23 22 21 20 19 5 6789 10 11 VCC_QUIET XTAL1 S_CLOCK S_DATA LOOP_REF S_LOAD LOOP _FILTER M[8] M[4] M[7] M[5] N[1] M[6] N[0] PLCC TOP VIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 27 28 26 25 24 23 22 21 20 19 18 17 16 15 M[0] M[1] M[2] M[3] M[4] M[5] M[6] M[7] M[8] N[0] N[1] GND (TTL) TEST VCC (TTL) P_LOAD VCC1 XTAL2 XTAL1 LOOP_REF LOOP_FILTER VCC_QUIET S_LOAD S_DATA S_CLOCK VCC_OUT FOUT FOUT GND TOP VIEW SOIC Z28-1 1 Rev.: E Amendment: /0 Issue Date: May 2000 |
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