參數(shù)資料
型號(hào)： ICS843011CG
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 106.25 MHz, OTHER CLOCK GENERATOR, PDSO8
封裝： 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
文件頁(yè)數(shù)： 11/13頁(yè)
文件大?。?/td> 662K
代理商： ICS843011CG
IDT / ICS 3.3V LVPECL CLOCK GENERATOR
7
ICS843011CG REV A March 2, 2009
ICS843011C
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
APPLICATION SCHEMATIC
Figure 3A shows a schematic example of the ICS843011C. An
example of LVEPCL termination is shown in this schematic.
Additional LVPECL termination approaches are shown in the
LVPECL Termination Application Note. In this example, an 18 pF
parallel resonant 26.5625MHz crystal is used for generating
106.25MHz output frequency. The C1 = 27pF and C2 = 27pF are
recommended for frequency accuracy. For different board layout,
the C1 and C2 values may be slightly adjusted for optimizing
frequency accuracy.
FIGURE 3A. ICS843011C SCHEMATIC EXAMPLE
FIGURE 3B. ICS843011 PC BOARD LAYOUT EXAMPLE
PC BOARD LAYOUT EXAMPLE
Figure 3B shows an example of ICS843011C P.C. board
layout. The crystal X1 footprint shown in this example allows
installation of either surface mount HC49S or through-hole HC49
package. The footprints of other components in this example are
listed in the
Table 6. There should be at least one decoupling
capacitor per power pin. The decoupling capacitors should be
located as close as possible to the power pins. The layout assumes
that the board has clean analog power ground plane.
TABLE 6. FOOTPRINT TABLE
e
c
n
e
r
e
f
e
Re
z
i
S
2
C
,
1
C2
0
4
0
3
C5
0
8
0
5
C
,
4
C3
0
6
0
2
R3
0
6
0
t
n
e
n
o
p
m
o
c
s
t
s
il
,
6
e
l
b
a
T
:
E
T
O
N
.
e
l
p
m
a
x
e
t
u
o
y
a
l
s
i
h
t
n
i
n
w
o
h
s
e
z
i
s
R5
50
Zo = 50 Ohm
C4
0.1u
C2
33pF
XTAL_IN
Q
nQ
18pF
VCCA
R5
133
R2
10
Zo = 50 Ohm
C5
0.1u
R6
50
Zo = 50 Ohm
R4
82.5
+
-
Optional
Y-Termination
Q
XTAL_OUT
X1
26.5625MHz
Zo = 50 Ohm
nQ
VCC
C1
27pF
+
-
R7
50
U2
843011C
1
2
3
4
8
7
6
5
VCCA
VEE
XTAL_OUT
XTAL_IN
VCC
Q
nQ
nc
R6
82.5
C3
10uF
VCC
R3
133
843011C
27pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS843011CGLF 功能描述:IC CLK GENERATOR LVPECL 8-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS843011CGLFT 功能描述:IC CLK GENERATOR LVPECL 8-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS843011CGT 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843020-01 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM 680MHZ, CRYSTAL-TO- 3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS843020A01 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM 680MHZ, CRYSTAL-TO- 3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
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