F
參數(shù)資料
型號(hào): ICS840031AMILF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 8/10頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK GENERATOR 8-SOIC
標(biāo)準(zhǔn)包裝: 97
系列: HiPerClockS™, FemtoClock™
類型: 時(shí)鐘/頻率合成器,時(shí)鐘發(fā)生器,多路復(fù)用器
PLL: 帶旁路
輸入: 晶體
輸出: LVCMOS,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 106.67MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
其它名稱: 840031AMILF
840031AMI
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 24, 2005
7
Integrated
Circuit
Systems, Inc.
ICS840031I
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL CLOCK GENERATOR
RELIABILITY INFORMATION
TRANSISTOR COUNT
The transistor count for ICS840031I is: 1787
TABLE 6.
θ
JA
VS
. AIR FLOW TABLE FOR 8 LEAD SOIC
FIGURE 3. ICS840031I APPLICATION SCHEMATIC EXAMPLE
APPLICATION SCHEMATIC EXAMPLE
Figure 3 shows a schematic example of the ICS840031I. In this
example, a series termination, one of LVCMOS termination ap-
proaches, is shown. Additional LVCMOS termination approaches
are shown in the LVCMOS Termination Application Note. In this
example, an 18pF parallel resonant crystal is used.The C1=22pF
and C2=33pF are approximate values for frequency accuracy.
The C1 and C2 may be slightly adjusted for optimizing frequency
accuracy.
0
200
500
Single-Layer PCB, JEDEC Standard Test Boards
153.3°C/W
128.5°C/W
115.5°C/W
Multi-Layer PCB, JEDEC Standard Test Boards
112.7°C/W
103.3°C/W
97.1°C/W
NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.
θθθθθ
JA by Velocity (Linear Feet per Minute)
C6
0.1u
C4
0.1u
VDD=3.3V
VDD
X1
CL=18pF
R2
10
VDDO=1.8V
R1
1K
R3
40
VDDA
VDD
C2
33pF
C5
0.1u
VDD
Zo = 50 Ohm
U1
ICS840031i
1
2
3
4
8
7
6
5
VDD
XTAL_OUT
XTAL_IN
VDDA
VDDO
Q0
GND
PLL_SEL
C3
10uF
C1
22pF
VDDO
LVCMOS
ICS840031I
FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR
TSD
IDT / ICS FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR
ICS840031I
7
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