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ICS8430AY-51中文资料

8430AY-51

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REV. D FEBRUARY 11, 2003

1

PRELIMINARY

Integrated Circuit

ICS8430AY-51中文资料

Systems, Inc.

ICS8430-51

600MH Z , L OW J ITTER

LVCMOS/ LVTTL-TO -3.3V LVPECL F REQUENCY S YNTHESIZER

G ENERAL D ESCRIPTION

The ICS8430-51 is a general purpose, dual output Crystal-to-3.3V Differential LVPECL High Frequency

Synthesizer and a member of the HiPerClockS™

family of High Performance Clock Solutions from ICS. The ICS8430-51 has a selectable TEST_CLK

or crystal inputs. The VCO operates at a frequency range of 200MHz to 700MHz. With FOUT0 configured to divide the VCO frequency by 2, output frequency steps as small as 2MHz can be achieved using a 16MHz crystal or reference clock.FOUT1 provides an additional divide by 16 and 180° phase shift.Output frequencies up to 600MHz can be programmed using the serial or parallel interfaces to the configuration logic. The low jitter and frequency range of the ICS8430-51 make it an ideal clock generator for most clock tree applications.

B LOCK D IAGRAM

P IN A SSIGNMENT

F EATURES

•Dual differential 3.3V LVPECL outputs •Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK •Maximum output frequency: 600MHz

•Crystal input frequency range: 14MHz to 25MHz •VCO range: 200MHz to 700MHz

•Parallel or serial interface for programming counter and output dividers •RMS period jitter: 2.6ps (typical)•Cycle-to-cycle jitter: 17ps (typical)•3.3V supply voltage

•0°C to 70°C ambient operating temperature

•Industrial temperature information available upon request

32 31 30 29 28 27 26 25

9 10 11 12 13 14 15 1612345678

2423222120191817

XTAL1TEST_CLK XTAL_SEL V CCA S_LOAD S_DATA S_CLOCK MR

M5M6M7M8N0N1

N2V EE

V EE

nFOUT0

FOUT0

V CCO

nFOUT1

FOUT1

V CC

TEST

XTAL2

nP_LOAD

VCO_SEL

M0

M1

M2

M3

M4

32-Lead LQFP

7mm x 7mm x 1.4
mm package body

7mm x 7mm x 1.4mm package body

Y Package T op View

ICS8430AY-51中文资料

ICS8430AY-51中文资料

ICS8430-51

The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.

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