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84321AYILFT PDF预览

84321AYILFT

更新时间: 2024-11-04 01:10:47
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
18页 286K
描述
260MHz, Crystal-to-3.3V Differential

84321AYILFT 数据手册

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260MHz, Crystal-to-3.3V Differential  
LVPECL Clock Synthesizer  
84321I  
DATA SHEET  
GENERAL DESCRIPTION  
FEATURES  
The 84321I is a general purpose, dual output Crystal-to-3.3V Dual differential 3.3V LVPECL outputs  
Differential LVPECL High Frequency Synthesizer The 84321I  
Selectable crystal oscillator interface  
has a selectableTEST_CLK or crystal inputs.TheVCO operates  
or LVCMOS/LVTTL TEST_CLK  
at a frequency range of 620MHz to 780MHz.TheVCO frequency  
is programmed in steps equal to the value of the input  
reference or crystal frequency. The VCO and output  
frequency can be programmed using the serial or parallel  
interfaces to the confi guration logic. The low phase noise  
characteristics of the 84321I make it an ideal clock source  
for Fibre Channel 1, Fibre Channel 2, 10 Gigabit Fibre  
Channel, Gigabit Ethernet and 10 Gigabit Ethernet  
applications.  
Output frequency range: 103.3MHz to 260MHz  
Crystal input frequency range: 14MHz to 40MHz  
VCO range: 620MHz to 780MHz  
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  
-40°C to 85°C ambient operating temperature  
Available in lead-free (RoHS 6) package  
For functional replacement part use 8T49N241  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
32 31 30 29 28 27 26 25  
M5  
M6  
M7  
M8  
N0  
N1  
nc  
1
2
3
4
5
6
7
24  
23  
22  
21  
20  
19  
18  
XTAL2  
TEST_CLK  
XTAL_SEL  
VCCA  
84321I  
S_LOAD  
S_DATA  
S_CLOCK  
MR  
8
17  
VEE  
9
10 11 12 13 14 15 16  
32-Lead LQFP  
7mm x 7mm x 1.4mm package body  
Y Package  
Top View  
84321I REVISION B 11/5/15  
1
©2015 Integrated Device Technology, Inc.  

84321AYILFT 替代型号

型号 品牌 替代类型 描述 数据表
84321AYILF IDT

完全替代

260MHz, Crystal-to-3.3V Differential
84321AYLFT IDT

完全替代

Clock Generator, 260MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP

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