参数资料
型号: ICS841654AGILFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/17页
文件大小: 0K
描述: IC CLOCK GENERATOR 28-TSSOP
标准包装: 1,000
系列: HiPerClockS™, FemtoClock™
类型: 时钟发生器,扇出配送,多路复用器
PLL: 带旁路
输入: LVCMOS,LVTTL,晶体
输出: HCSL,LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 2:5
差分 - 输入:输出: 无/是
频率 - 最大: 125MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.240",6.10mm 宽)
供应商设备封装: 28-TSSOP
包装: 带卷 (TR)
其它名称: 841654AGILFT
IDT / ICS HCSL CLOCK GENERATOR
11
ICS841654AGI REV. A APRIL 17, 2008
ICS841654I
FEMTOCLOCKS CRYSTAL-TO-HCSL CLOCK GENERATOR
SCHEMATIC LAYOUT
Figure 4 shows an example of ICS841654I application
schematic. In this example, the device is operated at V
CC
=
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
FIGURE 4. ICS841654I SCHEMATIC LAYOUT
nREF_OE
TL3
Zo = 50
+
-
RU2
Not Install
R8
10
R4
475
TL5
Zo = 50
C8
.1uf
Zo = 50
R5
33
VDDOA=3.3V
VDD
C4
27pF
VDDOB=3.3V
MR/nOE
VDD
VCCOA
C2
10u
+
-
VDDOA
R12
50
LVCMOS
X1
25MHz
RD2
1K
R1
33
To Logic
Input
pins
C1
0.1u
VDD
C5
0.1u
VDDA
VDD
R7
50
C6
0.1u
Set Logic
Input to
'0'
BYPASS
Logic Control Input Examples
R13
50
Using for PCI Express
Add-In Card
To Logic
Input
pins
R2
33
RD1
Not Install
VDD=3.3V
VDD
VCCOB
C7
.1uf
REF_SEL
R6
50
VDDOB
U1
ICS841654I
1
2
3
4
5
14
6
7
8
9
10
11
15
16
17
18
19
20
21
22
23
24
12
13
28
27
26
25
VDD
REF_OUT
GND
QA0
nQA0
VDDA
VDDOA
GND
QA1
nQA1
nREF_OE
BYPASS
GND
XTAL_OUT
XTAL_IN
VDD
MR/nOE
nQB1
QB1
GND
VDDOB
nQB0
REF_IN
REF_SEL
IREF
FSEL0
FSEL1
QB0
TL2
Zo = 50
C3
27pF
Set Logic
Input to
'1'
VDD
TL4
Zo = 50
FSEL0
18pF
HCSL Termination
FSEL1
REF_OUT
VDD
RU1
1K
Using for PCI Express
Point-to-Point
Connection
C2 may be slightly adjusted for optimizing frequency
accuracy. One example of HCSL and one example of
LVCMOS terminations are shown in this schematic. The
decoupling capacitors should be located as close as possible
to the power pin.
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ICS841654AGIT 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FEMTOCLOCKS? CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841654I 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FEMTOCLOCKS? CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841664AGILF 功能描述:IC CLOCK GENERATOR 28-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:Precision Edge® 类型:时钟/频率合成器 PLL:无 输入:CML,PECL 输出:CML 电路数:1 比率 - 输入:输出:2:1 差分 - 输入:输出:是/是 频率 - 最大:10.7GHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-VFQFN 裸露焊盘,16-MLF? 供应商设备封装:16-MLF?(3x3) 包装:带卷 (TR) 其它名称:SY58052UMGTRSY58052UMGTR-ND
ICS841664AGILFT 功能描述:IC CLOCK GENERATOR 28-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
ICS841664I 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FEMTOCLOCK? CRYSTAL-TO-HCSL CLOCK GENERATOR