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8442AY PDF预览

8442AY

更新时间: 2024-02-29 23:04:49
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
16页 876K
描述
Clock Generator, 700MHz, PQFP32, 7 X 7 MM, 1.4 MM HEIGHT, MS-026BBA, LQFP-32

8442AY 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:7 X 7 MM, 1.4 MM HEIGHT, MS-026BBA, LQFP-32针数:32
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.76
JESD-30 代码:S-PQFP-G32JESD-609代码:e0
长度:7 mm湿度敏感等级:3
端子数量:32最高工作温度:85 °C
最低工作温度:最大输出时钟频率:700 MHz
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装等效代码:QFP32,.35SQ,32封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE峰值回流温度(摄氏度):240
电源:3.3 V主时钟/晶体标称频率:25 MHz
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Clock Generators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:OTHER端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:20
宽度:7 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

8442AY 数据手册

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DATA SHEET  
ICS8442  
700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL  
LVDS FREQUENCY SYNTHESIZER  
GENERAL DESCRIPTION  
FEATURES  
The ICS8442 is a general purpose, dual output Dual differential LVDS outputs  
ICS  
Crystal-to-Differential LVDS High Frequency  
Selectable crystal oscillator interface or  
Synthesizer and a member of the HiPerClockS™  
LVCMOS/LVTTLTEST_CLK  
HiPerClockS™  
family of High Performance Clock Solutions from  
ICS. The ICS8442 has a selectable TEST_CLK  
Output frequency range: 31.25MHz to 700MHz  
Crystal input frequency range: 10MHz to 25MHz  
VCO range: 250MHz to 700MHz  
or crystal input. The TEST_CLK input accepts LVCMOS or  
LVTTL input levels and translates them to LVDS levels. The  
VCO operates at a frequency range of 250MHz to 700MHz.  
The VCO frequency is programmed in steps equal to the value  
of the input reference or crystal frequency.TheVCO and output  
frequency can be programmed using the serial or parallel  
interface to the configuration logic. The low phase noise  
characteristics of the ICS8442 makes it an ideal clock source  
for Gigabit Ethernet and Sonet applications.  
Parallel or serial interface for programming counter  
and output dividers  
RMS period jitter: 2.7ps (typical)  
Cycle-to-cycle jitter: 18ps (typical)  
3.3V supply voltage  
0°C to 85°C ambient operating temperature  
Lead-Free package fully RoHS compliant  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
VCO_SEL  
XTAL_SEL  
TEST_CLK  
0
32 31 30 29 28 27 26 25  
XTAL_IN  
1
M5  
OSC  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
17  
XTAL_OUT  
TEST_CLK  
XTAL_SEL  
VDDA  
XTAL_OUT  
M6  
M7  
M8  
N0  
N1  
nc  
ICS8442  
S_LOAD  
S_DATA  
S_CLOCK  
MR  
PLL  
PHASE DETECTOR  
÷ 1  
÷ 2  
÷ 4  
÷ 8  
MR  
0
1
GND  
VCO  
FOUT0  
nFOUT0  
FOUT1  
nFOUT1  
9
10 11 12 13 14 15 16  
÷ M  
S_LOAD  
S_DATA  
S_CLOCK  
nP_LOAD  
CONFIGURATION  
INTERFACE  
LOGIC  
TEST  
32-Lead LQFP  
7mm x 7mm x 1.4mm package body  
M0:M8  
N0:N1  
Y Package  
TopView  
IDT™ / ICS™ 700MHZ, CRYSTAL OSCILLATOR-TO-DIFFERENTIAL LVDS FREQUENCY SYNTHESIZER  
ICS8442  
1

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