SI5368A-C-GQ屬于集成電路（IC）的時(shí)鐘發(fā)生器PLL頻率合成器。由美國(guó)思佳訊公司制造生產(chǎn)的SI5368A-C-GQ時(shí)鐘發(fā)生器，PLL，頻率合成器時(shí)鐘發(fā)生器、PLL 和頻率合成器集成電路 (IC) 可為邏輯器件提供參考信號(hào)的穩(wěn)定定時(shí)脈沖，這些器件包括計(jì)算機(jī)、微控制器、數(shù)據(jù)通信系統(tǒng)和圖形/視頻發(fā)生器。這些集成電路可能包括緩沖器、驅(qū)動(dòng)器、分頻器、倍頻器、多路復(fù)用器、合成器、扇出分配器和預(yù)分頻器。

Features

? Generates any frequency from

2 kHz to 945 MHz and select

frequencies to 1.4 GHz from an

input frequency of 2 kHz to

710 MHz

? Ultra-low jitter clock outputs with

jitter generation as low as 300 fs

rms (12 kHz–20 MHz)

? Integrated loop filter with selectable

loop bandwidth (60 Hz to 8.4 kHz)

? Meets OC-192 GR-253-CORE jitter

specifications

? Four clock inputs with manual or

automatically controlled hitless

switching and phase build-out

? Small size: 14 x 14 mm 100-pin

TQFP

? Supports holdover and freerun

modes of operation

? Five clock outputs with

selectable signal format

(LVPECL, LVDS, CML, CMOS)

? SONET frame sync switching

and regeneration

? Support for ITU G.709 and

custom FEC ratios (253/226,

239/237, 255/238, 255/237,

255/236)

? LOL, LOS, FOS alarm outputs

? Digitally-controlled output phase

adjust

? I2C or SPI programmable

settings

? Pb-free, RoHS compliant