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841654AGI PDF预览

841654AGI

更新时间: 2024-02-12 10:43:50
品牌 Logo 应用领域
艾迪悌 - IDT 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
17页 333K
描述
Clock Generator, 125MHz, PDSO28, 6.10 X 9.70 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24

841654AGI 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:TSSOP
包装说明:TSSOP, TSSOP28,.3针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.25
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:9.7 mm端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
最大输出时钟频率:125 MHz封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP28,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):225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:1.2 mm子类别:Clock Generators
最大压摆率:85 mA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:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:6.1 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

841654AGI 数据手册

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ICS841654I  
FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR  
TABLE 1. PIN DESCRIPTIONS  
Number  
Name  
Type  
Description  
1, 18  
VDD  
Power  
Output  
Power  
Ouput  
Power  
Input  
Core supply pins.  
Single-ended reference frequency clock output.  
LVCMOS/LVTTL interface levels.  
2
REF_OUT  
3, 7, 15, 22  
GND  
Power supply ground.  
4, 5,  
8, 9  
QA0, nQA0,  
QA1, nQA1  
Differential Bank A output pairs. HCSL interface levels.  
6
VDDOA  
Output supply pin for Bank A outputs.  
Active low REF_OUT enable/disable. See Table 3E.  
LVCMOS/LVTTL interface levels.  
10  
nREF_OE  
Pullup  
Selects PLL operation/PLL bypass operation.  
See Table 3C. LVCMOS/LVTTL interface levels.  
Single-ended PLL reference clock input.  
LVCMOS/LVTTL interface levels.  
Reference select. Selects the input reference source.  
See Table 3B. LVCMOS/LVTTL interface levels.  
11  
12  
BYPASS  
REF_IN  
Input  
Input  
Pulldown  
Pulldown  
Pulldown  
13  
14  
REF_SEL  
VDDA  
Input  
Power  
Input  
Analog supply pin.  
XTAL_OUT,  
XTAL_IN  
Parallel resonant crystal interface. XTAL_OUT is the output,  
XTAL_IN is the input. (PLL reference.)  
16, 17  
Active HIGH master reset. Active LOW output enable. When logic HIGH,  
the internal dividers are reset and the differential outputs are in high  
19  
MR/nOE  
Input  
Pulldown impedance (HiZ). When logic LOW, the internal dividers and the  
differential outputs are enabled. See Table 3D. LVCMOS/LVTTL interface  
levels.  
20, 21  
24, 25  
nQB1, QB1  
nQB0, QB0  
Output  
Power  
Input  
Differential Bank B output pairs. HCSL interface levels.  
Output supply pin for Bank B outputs.  
23  
VDDOB  
FSEL1,  
FSEL0  
26, 27  
Pulldown Output frequency select pins. LVCMOS/LVTTL interface levels.  
HCSL current reference external resistor output. A fixed precision resistor  
(RREF = 475Ω) from this pin to ground provides a reference current used  
for differential current-mode QA[0:1]/nQA[0:1] and QB[0:1]/nQB[0:1] clock  
outputs.  
28  
IREF  
Output  
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.  
TABLE 2. PIN CHARACTERISTICS  
Symbol  
CIN  
Parameter  
Test Conditions  
Minimum  
Typical  
Maximum Units  
Input Capacitance  
Input PullupResistor  
4
pF  
kΩ  
kΩ  
RPULLUP  
51  
51  
RPULLDOWN Input Pulldown Resistor  
IDT/ ICSHCSL CLOCK GENERATOR  
2
ICS841654AGI REV. A APRIL 17, 2008  

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