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843204AGI-01T PDF预览

843204AGI-01T

更新时间: 2024-09-30 19:52:23
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
13页 257K
描述
Clock Generator

843204AGI-01T 技术参数

是否Rohs认证: 不符合生命周期:Active
Reach Compliance Code:unknown风险等级:5.88
Base Number Matches:1

843204AGI-01T 数据手册

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FEMTOCLOCKS™ CRYSTAL-TO-  
3.3V LVPECL FREQUENCY SYNTHESIZER  
ICS843204I-01  
GENERAL DESCRIPTION  
FEATURES  
The ICS843204I-01 is a 4 output LVPECL Synthe-  
• Four 3.3V LVPECL outputs  
ICS  
sizer optimized to generate Gigabit Ethernet and  
SONET reference clock frequencies and is a  
member of the HiPerClocksTM family of high  
performance clock solutions from IDT. Using a  
• Selectable crystal oscillator interface or clock inputs  
HiPerClockS™  
• Supports the following output frequencies: 155.52MHz  
and 156.25MHz  
19.44MHz and 25MHz, 18pF parallel resonant crystal,  
155.52MHz and 156.25MHz frequencies can be generated.  
The ICS843204I-01 uses IDT’s FemtoClockTM low phase noise  
VCO technology and can achieve 1ps or lower typical RMS  
phase jitter.  
• VCO range: 560MHz - 680MHz  
• RMS phase jitter @ 155.52MHz, using a 19.44MHz crystal  
(12kHz - 13MHz): 0.6ps (typical)  
• RMS phase jitter @ 156.25MHz, using a 25MHz crystal  
(1.875MHz - 20MHz): 0.7ps (typical)  
• Full 3.3V supply mode  
• -40°C to 85°C ambient operating temperature  
• Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
Pullup  
nPLL_BYPASS_A  
nQA1  
QA1  
nQA0  
QA0  
nc  
1
2
3
4
5
6
7
8
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
IN_SELA  
CLK0  
XTAL_IN0  
XTAL_OUT0  
nc  
VEE  
OEA0  
OEA1  
VCC  
VCCA  
nPLL_BYPASS_B  
nc  
SELB0  
VEE  
OEB0  
OEB1  
VCC  
SELB1  
VCCA  
nc  
nc  
nc  
nc  
nc  
Pullup  
IN_SELA  
Pulldown  
CLK0  
SELA0  
OEA0  
OEA1  
VCCO_A  
SELA1  
SELA0  
nPLL_BYPASS_A  
nc  
25MHz  
XTAL_IN0  
QA0  
÷4  
PLL  
0
1
OSC  
9
nQA0  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
XTAL_OUT0  
156.25MHz  
nc  
nc  
nc  
SELA1  
625MHz  
XTAL_IN1  
XTAL_OUT1  
CLK1  
QA1  
Pullup  
Pullup  
nPLL_BYPASS_B  
IN_SELB  
0
1
nQA1  
nCLK1  
IN_SELB  
VCCO_B  
nc  
Pulldown  
CLK1  
SELB0  
Pullup/pulldown  
nCLK1  
QB0  
nQB0  
QB1  
nQB1  
OEB0  
OEB1  
QB0  
19.44MHz  
0
1
XTAL_IN1  
nQB0  
OSC  
÷4  
PLL  
ICS843204I-01  
48 Lead TSSOP  
6.1mm x 12.5mm x 0.925mm  
package body  
XTAL_OUT1  
SELB0  
155.52MHz  
622.08MHz  
QB1  
0
1
G Package  
Top View  
nQB1  
IDT/ ICS3.3V LVPECL FREQUENCY SYNTHESIZER  
1
ICS843204AGI-01 REV. A OCTOBER 18, 2007  

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