參數(shù)資料
型號: M928-02-300.XXXX-LF
元件分類: 時鐘產(chǎn)生/分配
英文描述: 300 MHz, OTHER CLOCK GENERATOR, CQCC36
封裝: 9 X 9 MM, SMT-36
文件頁數(shù): 1/6頁
文件大?。?/td> 261K
代理商: M928-02-300.XXXX-LF
M928-02 Datasheet Rev 0.3
Revision 013003
M928-02
VCSO BASED CLOCK GENERATOR
Prelimina r y Inf o r m ation
GENERAL DESCRIPTION
The M928-02 is a PLL (Phase Locked Loop) based
clock generator that uses an
internal VCSO (Voltage Controlled
SAW Oscillator) to produce a very
low jitter output clock. From the
M928-02-622.0800
, an output clock
frequency of 622.08MHz is
provided from eight LVPECL clock
output pairs. (Other frequencies are available; consult
factory.) The accuracy of the output frequency is
assured by the internal PLL that phase-locks the
internal VCSO to the reference input frequency
(19.44MHz for the M928-02-622.0800). The input reference
can either be an external crystal, utilizing the internal
crystal oscillator, or a stable external clock source
such as a packaged crystal oscillator.
FEATURES
◆ Output clock frequency range 300MHz to 700MHz
(Consult factory for frequency availability)
◆ Eight identical LVPECL output pairs
◆ Jitter 0.5ps rms (@622.08MHz, over 12kHz-20MHz)
◆ Ideal for OC-48/STM-16 clock reference
◆ Output-to-output skew < 100ps
◆ External XTAL or LVCMOS reference input
◆ Integrated SAW (surface acoustic wave) delay line
◆ Single 3.3V power supply
◆ Small 9 x 9 mm SMT (surface mount) package
PIN ASSIGNMENT (9 x 9 mm SMT)
Figure 1: Pin Assignment
SIMPLIFIED BLOCK DIAGRAM
Example Output Frequency Configurations
(M928-02-622.0800)
Ref Clock
Frequency
(MHz)
PLL
Multiplication
Ratio
VCSO and
Output
Frequency
(MHz)
Application
19.44
32
622.08
OC-12/4
N
nOP
M928-02-622.08 (Other Frequencies Available)
External Loop Filter
M928-02 VCSO Based Clock Generator
相關PDF資料
PDF描述
M928-02-300.XXXX-LF 300 MHz, OTHER CLOCK GENERATOR, CQCC36
M928-02-300.XXXX 300 MHz, OTHER CLOCK GENERATOR, CQCC36
MA112 0.2 A, SILICON, SIGNAL DIODE
MA115 0.2 A, 200 V, SILICON, SIGNAL DIODE
MA133TX 0.1 A, 2 ELEMENT, SILICON, SIGNAL DIODE
相關代理商/技術參數(shù)
參數(shù)描述
M928-BBCA 制造商:SECO 功能描述:QUADMO747-X/IMX6Q, 1GB RAM, 4 GB EMMC-ENGINEERING SAMPLE-AVA - Bulk
M928-BCCA 制造商:SECO 功能描述:QUADMO747-X/IMX6Q, 2GB RAM, 4 GB EMMC-ENGINEERING SAMPLE-AVA - Bulk
M928-BFDA 制造商:SECO 功能描述:QUADMO747-X/IMX6Q, 2GB RAM, 8 GB EMMC-ENGINEERING SAMPLE-AVA - Bulk
M928-BGCA 制造商:SECO 功能描述:QUADMO747-X/IMX6Q, 4GB RAM, 4GB EMMC-ENGINEERING SAMPLE-AVAI - Bulk
M928-BGDA 制造商:SECO 功能描述:QUADMO747-X/IMX6Q, 4GB RAM, 8GB EMMC-ENGINEERING SAMPLE-AVAI - Bulk