參數(shù)資料
型號(hào): NB4N441MNG
廠商: ON Semiconductor
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 0K
描述: IC SYNTH PLL CLK LVPECL 24-QFN
標(biāo)準(zhǔn)包裝: 92
類型: 時(shí)鐘/頻率合成器
PLL:
輸入: LVCMOS,LVTTL,晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 425MHz
除法器/乘法器: 無(wú)/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 管件
Semiconductor Components Industries, LLC, 2011
April, 2011 Rev. 2
1
Publication Order Number:
NB4N441/D
NB4N441
3.3V Serial Input
MultiProtocol PLL Clock
Synthesizer, Differential
LVPECL Output
Description
The NB4N441 is a precision clock synthesizer which generates a
differential LVPECL clock output frequency from 12.5 MHz to
425 MHz. A Serial Peripheral Interface (SPI) is used to configure the
device to produce one of sixteen popular standard protocol output
frequencies from a single 27 MHz crystal reference. The NB4N441
also has the added feature of allowing application specific output
frequencies from 12.5 MHz to 425 MHz using crystals within the
range of 10 MHz to 28 MHz.
Features
Performs Precision Clock Generation and Synthesis from a Single
27 MHz Crystal Reference
Serial Load Capability for Proprietary Frequencies
Flexible Input Allows for External Clock Reference
Exceeds Bellcore and ITU Jitter Generation Specification
PLL Lock Detect Output
Output Enable
Fully Integrated PhaseLockLoop with Internal Loop Filter
Operating Range: VCC = 3.135 V to 3.465 V
Small Footprint 24 Pin QFN
These are PbFree Devices*
27 MHz
XTAL
OSC
B
FB
R
Feedback
Divider
Frequency Control Logic
Serial Load
SDATA
SCLOCK
SLOAD
LOCKED
OUTDIV
B2, 4, 8,
16, 32
CLKOUT
OE
VCC 2 V
Figure 1. Simplified Block Diagram
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
MARKING
DIAGRAM*
QFN24
MN SUFFIX
CASE 485L
http://onsemi.com
*For additional marking information, refer to
Application Note AND8002/D.
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
ORDERING INFORMATION
NB4N
441
ALYWG
G
1
24
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= PbFree Package
(Note: Microdot may be in either location)
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