Datasheet > ICS84321AYLFT

ICS84321AYLFT

更新时间： 2024-11-02 21:53:59

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路时钟
页数	文件大小	规格书
18页	204K
描述
260MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

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ICS84321AYLFT 数据手册

ICS84321

260MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL

LVPECL FREQUENCY SYNTHESIZER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS84321 is a general purpose, dual output • Dual differential 3.3V LVPECL outputs

ICS

Crystal-to-3.3V Differential LVPECL High Frequency

Synthesizer and a member of the HiPerClockS™

family of High Performance Clock Solutions from

ICS.The ICS84321 has a selectable TEST_CLK or

• Selectable crystal oscillator interface

or LVCMOS/LVTTLTEST_CLK

HiPerClockS™

• Output frequency range: 103.3MHz to 260MHz

• Crystal input frequency range: 14MHz to 40MHz

• VCO range: 620MHz to 780MHz

crystal inputs.TheVCO operates at a frequency range of 620MHz

to 780MHz.The VCO frequency is programmed in steps equal

to the value of the input reference or crystal frequency.TheVCO

and output frequency can be programmed using the serial or

parallel interfaces to the configuration logic.

• Parallel or serial interface for programming counter

and output dividers

• RMS period jitter: 3ps (typical)

• RMS phase jitter at 155.52MHz, using a 38.88MHz crystal

(12kHz to 20MHz): 2.5ps (typical)

Phase noise: 155.52MHz

Offset

Noise Power

100Hz ..................-84.1 dBc/Hz

1kHz ................-109.8 dBc/Hz

10kHz ................-126.3 dBc/Hz

100kHz ................-128.7 dBc/Hz

• 3.3V supply voltage

• 0°C to 70°C ambient operating temperature

• Lead-Free package RoHS compliant

BLOCK DIAGRAM

VCO_SEL

PIN ASSIGNMENT

XTAL_SEL

TEST_CLK

32 31 30 29 28 27 26 25

XTAL_IN

OSC

XTAL_OUT

TEST_CLK

XTAL_SEL

V^CCA

XTAL_OUT

ICS84321

S_LOAD

S_DATA

S_CLOCK

PLL

PHASE DETECTOR

÷ 3

÷ 4

÷ 5

÷ 6

V^EE

VCO

FOUT0

nFOUT0

FOUT1

nFOUT1

10 11 12 13 14 15 16

÷ M

S_LOAD

S_DATA

S_CLOCK

nP_LOAD

CONFIGURATION

INTERFACE

LOGIC

TEST

32-Lead LQFP

7mm x 7mm x 1.4mm package body

Y Package

TopView

M0:M8

N0:N1

84321AY

www.icst.com/products/hiperclocks.html

REV. B JUNE 9, 2005

12 3 4 5 6 7...18

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