参数资料
型号: ICS843004AGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24
封装: 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24
文件页数: 2/16页
文件大小: 452K
代理商: ICS843004AGI
843004AGI
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 11, 2005
10
Integrated
Circuit
Systems, Inc.
ICS843004I
FEMTOCLOCKSCRYSTAL-TO-
3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
LAYOUT GUIDELINE
Figure 5 shows a schematic example of the ICS843004I. An
example of LVEPCL termination is shown in this schematic. Ad-
ditional LVPECL termination approaches are shown in the
LVPECL Termination Application Note. In this example, an 18pF
FIGURE 5. ICS843004I SCHEMATIC EXAMPLE
parallel resonant 26.5625MHz crystal is used. The C1=27pF
and C2=33pF are recommended for frequency accuracy. For
different board layout, the C1 and C2 may be slightly adjusted
for optimizing frequency accuracy.
VCC=3.3V
C3
10uF
+
-
VCCO=3.3V
R3
133
To Logic
Input
pins
3.3V
VCC
Zo = 50 Ohm
Set Logic
Input to
'0'
C7
0.1u
3.3V
RD2
1K
VCC
VDD
VC
C
R10
82.5
R4
82.5
VCCA
Logic Control Input Examples
VDD
C2
33pF
C4
0.01u
+
-
Zo = 50 Ohm
RD1
Not Install
Zo = 50 Ohm
RU2
Not Install
R7
133
R8
82.5
C9
0.1u
C1
27pF
Set Logic
Input to
'1'
R9
133
X1
26.5625MHz
R2
10
18pF
To Logic
Input
pins
Zo = 50 Ohm
VCCO
R6
82.5
C6
0.1u
U1
ICS843004
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
nQ
1
Q1
VC
C
O
Q0
nQ
0
MR
nPLL_SE
L
NC
VC
C
A
F_
S
E
L
0
VC
C
F_
S
E
L
1
X
T
AL_O
U
T
X
T
AL_I
N
VE
E
T
EST
_C
LK
nX
T
A
L_SE
L
VC
C
VE
E
nQ
3
Q3
VC
C
O
Q2
nQ
2
C8
0.1u
R5
133
RU1
1K
VC
C
O
ICS843004I
FEMTOCLOCKS CRYSTAL/LVCMOS-TO-3.3V,2.5V LVPECL FREQUENCY SYNTHESIZER
TSD
IDT / ICS FEMTOCLOCKS CRYSTAL/LVCMOS-TO-3.3V,2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843004I
10
相关PDF资料
PDF描述
ICS843004AGILF 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843011AGLF 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011AM-01LF 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011AM-01 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011CGLF 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
相关代理商/技术参数
参数描述
ICS843004AGI-01 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER LVPECL 24TSSOP
ICS843004AGI-01LF 功能描述:IC SYNTHESIZER LVPECL 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
ICS843004AGI-01LFT 功能描述:IC SYNTHESIZER LVPECL 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT
ICS843004AGI-01T 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER LVPECL 24TSSOP
ICS843004AGI-02LF 功能描述:IC SYNTHESIZER LVPECL 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件