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841S012BKIT PDF预览

841S012BKIT

更新时间: 2024-01-13 01:31:07
品牌 Logo 应用领域
艾迪悌 - IDT 时钟外围集成电路晶体
页数 文件大小 规格书
21页 298K
描述
Clock Generator, 250MHz, 8 X 8 MM, 0.925 MM HEIGHT, MO-220, VFQFN-56

841S012BKIT 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QFN
包装说明:VQCCN,针数:56
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.52
JESD-30 代码:S-XQCC-N56JESD-609代码:e0
长度:8 mm端子数量:56
最高工作温度:85 °C最低工作温度:-40 °C
最大输出时钟频率:250 MHz封装主体材料:UNSPECIFIED
封装代码:VQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):225
主时钟/晶体标称频率:25 MHz认证状态:Not Qualified
座面最大高度:1 mm最大供电电压:3.465 V
最小供电电压:3.135 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:8 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

841S012BKIT 数据手册

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PRELIMINARY  
CRYSTAL-TO-0.7V DIFFERENTIAL HCSL/  
LVCMOS FREQUENCY SYNTHESIZER  
ICS841S012I  
GENERAL DESCRIPTION  
FEATURES  
The ICS841S012I is an optimized PCIe, sRIO and  
To 0.7V differential HCSL outputs (Bank A), configurable for  
PCIe (100MHz or 250MHz) and sRIO (100MHz or 125MHz)  
clock signals  
ICS  
HiPerClockS™  
Gigabit Ethernet Frequency Synthesizer and a  
member of HiperClocks™family of high perfor-  
mance clock solutions from IDT. The ICS841S012I  
uses a 25MHz parallel resonant crystal to gener-  
Eight LVCMOS/LVTTL outputs (Banks B/C),  
15Ω typical output impedance  
ate 33.33MHz - 200MHz clock signals, replacing solutions  
requiring multiple oscillator and fanout buffer solution. The  
device supports 0.25ꢀ center-spread, and -0.5ꢀ doꢁn-  
spread clocking ꢁith tꢁo spread select pins (SSC[1:0]). The  
VCO operates at frequency of 2GHz. The device has three  
output banks: Bank A ꢁith tꢁo HCSL outputs, 100MHz –  
250MHz; Bank B ꢁith seven 33.33MHz – 200MHz LVCMOS/  
LVTTL outputs; and Bank C ꢁith one 33.33MHz – 200MHz  
LVCMOS/LVTTL output.  
To REF_OUT LVCMOS/LVTTL clock outputs,  
20Ω typical output impedance  
• Selectable crystal oscillator interface, 25MHz, 18pF parallel  
resonant crystal or one LVCMOS/LVTTL single-ended  
reference clock input  
• Supports the folloꢁing output frequencies:  
HCSL Bank A: 100MHz, 125MHz, 200MHz and 250MHz  
LVCMOS/LVTTL Bank B/C: 33.33MHz, 50MHz, 66.67MHz,  
100MHz, 125MHz, 133.33MHz, 166.67MHz and 200MHz  
All Banks A, B and C have their oꢁn dedicated frequency  
select pins and can be independently set for the frequencies  
mentioned above. The loꢁ jitter characteristic of the  
ICS841S012I makes it an ideal clock source for PCIe, sRIO  
and Gigabit Ethernet applications. Designed for netꢁorking and  
industrial applications, the ICS841S012I can also drive the high-  
speed clock inputs of communication processors, DSPs,  
sꢁitches and bridges.  
• VCO: 2GHz  
• Spread spectrum clock: 0.25ꢀ center-spread and  
-0.5ꢀ doꢁn-spread  
• PLL bypass and output enable  
• RMS period jitter: 15ps (typical), QB outputs  
• 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  
PIN ASSIGNMENT  
56 55 54 53 52 51 50 49 48 47 46 45 44 43  
42  
41  
VDD  
REF_OUT0  
REF_OUT1  
GND  
1
VDDOC  
QC  
2
GND  
QBC_OE  
VDDA  
VDDA  
GND  
GND  
IREF  
QA0  
3
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
4
5
ICS841S012I  
GND  
56-Lead VFQFN  
6
REF_IN  
VDD  
8mm x 8mm x 0.925mm  
package body  
7
REF_SEL  
XTAL_IN  
XTAL_OUT  
BYPASS  
8
9
K Package  
Top Vieꢁ  
10  
11  
12  
13  
14  
nQA0  
QA1  
nQA1  
REF_OE  
nMR  
VDD  
VDD  
15 16 17 18 19 20 21 22 23 24 25 26 27 28  
The Preliminary Information presented herein represents a product in pre-production.The noted characteristics are based on initial product characterization  
and/or qualification.Integrated DeviceTechnology, Incorporated (IDT) reserves the right to change any circuitry or specifications ꢁithout notice.  
IDT/ ICS0.7V HCSL/LVCMOS FREQUENCY SYNTHESIZER  
1
ICS841S012BKI REV. A MAY 1, 2008  

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