PROGRAMMABLE FEMTOCL" />
參數(shù)資料
型號(hào): ICS83PR226BKI-01LFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 7/23頁(yè)
文件大?。?/td> 0K
描述: IC SYNTHESIZER PROGR 10-VFQFPN
標(biāo)準(zhǔn)包裝: 2,500
系列: HiPerClockS™, FemtoClock™
類型: 時(shí)鐘/頻率合成器
PLL:
輸入: 晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無/是
頻率 - 最大: 213.33MHz
除法器/乘法器: 是/無
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 10-VFQFPN(5x7)
包裝: 帶卷 (TR)
其它名稱: 83PR226BKI-01LFT
ICS83PR226BKI-01 REVISION B AUGUST 10, 2010
15
2010 Integrated Device Technology, Inc.
ICS83PR226I-01 Data Sheet
PROGRAMMABLE FEMTOCLOCK LVPECL OSCILLATOR REPLACEMENT
Schematic Example
Figure 6 shows an example of ICS83PR226I-01 application
schematic. In this example, the device is operated at VCC = 3.3V. The
18pF parallel resonant 25MHz crystal is used. The C1 = 27pF and C2
= 27pF are recommended for frequency accuracy. For different board
layout, the C1 and C2 may be slightly adjusted for optimizing
frequency accuracy. Two examples of LVPECL termination are
shown in this schematic. Additional termination approaches are
shown in the LVPECL Termination Application Note.
Figure 6. ICS83PR226I-01 Schematic Example
M0
To Logic
Input
pins
R6
50
M1
VCC=3.3V
C2
27pF
R8
50
N0
R7
50
VCC
Q
C1
27pF
R2
133
Optional
Y-Termination
Zo = 50 Ohm
R3
133
RD2
1K
C3
0.1uF
RU1
1K
Set Logic
Input to
'1'
VCC
N1
RU2
Not Install
+
-
U1
ICS83PR226I-01
1
2
3
6
7
8
4
5
9
10
M1
M0
VEE
Q
nQ
VCC
XT
AL
_I
N
XT
AL
_OU
T
N
1
N0
XTAL_OUT
R5
82.5
+
-
Zo = 50 Ohm
XTAL_IN
3.3V
nQ
Set Logic
Input to
'0'
VCC
Logic Control Input Examples
R4
82.5
RD1
Not Install
To Logic
Input
pins
X1
25MHz
Zo = 50 Ohm
1 8 p F
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