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参数资料
| 型号： | ICS84021AYLFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 260 MHz, OTHER CLOCK GENERATOR, PQFP32 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32 |
| 文件页数： | 4/17页 |
| 文件大小： | 359K |
| 代理商： | ICS84021AYLFT |
84021AY
www.icst.com/products/hiperclocks.html
REV. C JUNE 9, 2005
12
Integrated
Circuit
Systems, Inc.
ICS84021
260MHZ, CRYSTAL-TO-LVCMOS / LVTTL
FREQUENCY SYNTHESIZER
APPLICATION SCHEMATIC EXAMPLE
Figure 4 shows a schematic example of the ICS84021. In
this example, a series ter mination is shown. Additional
LVCMOS ter mination approaches are sho wn in the
LVCMOS Termination Application Note. In this example, an
RD2
1K
C11
0.01u
VDD
C2
22p
C1
22p
Set Logic
Input to
'1'
C16
10u
Zo = 50 Ohm
VDDO=3.3V, 2.5V or 1.8V
VDD
R2
43
RU2
Not Install
VDD=3.3V
C15
0.1u
RD1
Not Install
VDDO
To Logic
Input
pins
VDD
R7
24
U1
ICS84021
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
M5
M6
M7
M8
N0
N1
nc
GND
T
EST
VD
D
OE
1
OE
0
VD
D
O
Q1
Q0
GN
D
MR
S_CLOCK
S_DATA
S_LOAD
VDDA
nXTAL_SEL
T_CLK
X_OUT
M4
M3
M2
M1
M0
V
C
O
_
SEL
nP
_
LO
A
D
X_
IN
X1
18pF
R1
43
Zo = 50 Ohm
VDDA
VDD
RU1
1K
Set Logic
Input to
'0'
Logic Input Pin Examples
To Logic
Input
pins
C14
0.1u
18pF parallel resonant crystal is used. The C1=22pF and
C2=22pF are approximate values for frequency accuracy.
The C1 and C2 may be slightly adjusted for optimizing
frequency accuracy.
FIGURE 4. ICS84021 APPLICATION SCHEMATIC EXAMPLE
ICS84021
260MHZ, CRYSTAL-TO-LVCMOS LVTTL FREQUENCY SYNTHESIZER
TSD
IDT / ICS 260MHZ, CRYSTAL-TO-LVCMOS LVTTL FREQUENCY SYNTHESIZER
ICS84021
12
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PDF描述 |
|---|---|
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| ICS84025EMLF | 125 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS8402AYT | 350 MHz, OTHER CLOCK GENERATOR, PQFP32 |
| ICS840S07BYILFT | 167.67 MHz, OTHER CLOCK GENERATOR, PQFP32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS84021AYT | 制造商:ICS 制造商全称:ICS 功能描述:260MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER |
| ICS840245AGILF | 功能描述:IC FREQ SYNTHESIZER 16-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 |
| ICS840245AGILFT | 功能描述:IC FREQ SYNTHESIZER 16-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 |
| ICS84025 | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84025EM | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
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