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参数资料
| 型号： | ICS84025EMLF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 125 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封装： | 7.50 X 15.33 MM, 2.30 MM HEIGHT, SOIC-24 |
| 文件页数： | 1/12页 |
| 文件大小： | 1450K |
| 代理商： | ICS84025EMLF |
84025EM
www.icst.com/products/hiperclocks.html
REV. A APRIL 16, 2003
1
Integrated
Circuit
Systems, Inc.
ICS84025
CRYSTAL-TO-LVCMOS / LVTTL
FREQUENCY SYNTHESIZER WITH FANOUT BUFFER
PRELIMINARY
GENERAL DESCRIPTION
The ICS84025 is a Crystal-to-LVCMOS/LVTTL
Frequency Synthesizer with Fanout Buffer and
a member of the HiPerClockS family of High
Performance Clock Solutions from ICS. The
VCO frequency is programmed in steps equal
to the value of the crystal frequency. The VCO and
output frequency can be programmed using the feedback and
output frequency select pins. The low phase noise character-
istics of the ICS84025 make it an ideal clock source for Fibre
Channel 1 and Gigabit Ethernet applications.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
6 LVCMOS/LVTTL outputs
Crystal oscillator interface
Output frequency range: 53.125MHz to 125MHz
Crystal input frequency: 25MHz and 25.5MHz
RMS phase jitter at 106.25, using a 25.5MHz crystal
(637KHz to 10MHz): 3.25ps
Phase noise:
Offset
Noise Power
100Hz ................. -100 dBc/Hz
1KHz ................. -115 dBc/Hz
10KHz ................. -125 dBc/Hz
100KHz ................. -127 dBc/Hz
3.3V core, outputs may either be 3.3V, 2.5V or 1.8V
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
HiPerClockS
,&6
Q0:Q5
PLL
6/
Feedback
Divider
OSC
Output
Divider
0
1
XTAL1
XTAL2
F_SEL1
PLL_SEL
MR
F_SEL0
ICS84025
24-Lead, 300-MIL SOIC
7.5mm x 15.33mm x 2.3mm body package
M Package
Top View
VDDO
Q0
GND
Q1
VDDO
Q2
GND
Q3
VDDO
Q4
GND
Q5
1
2
3
4
5
6
7
8
9
10
11
12
F_SEL0
F_SEL1
MR
XTAL1
XTAL2
GND
VDDA
VDD
PLL_SEL
GND
nc
VDDO
24
23
22
21
20
19
18
17
16
15
14
13
FUNCTION TABLE
s
t
u
p
n
IL
A
T
Xy
c
n
e
u
q
e
r
F
t
u
p
t
u
O
R
M1
L
E
S
_
F0
L
E
S
_
FT
U
O
_
F
1X
X
W
O
L
00
0
z
H
M
5
.
5
2z
H
M
5
2
1
.
3
5
00
1
z
H
M
5
.
5
2z
H
M
5
2
.
6
0
1
01
0
z
H
M
5
2z
H
M
5
.
2
6
01
1
z
H
M
5
2z
H
M
5
2
1
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS84025EMT | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS840271BGILF | 功能描述:IC TRANSLATOR ETHER SYNC 8TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS840271BGILFT | 功能描述:IC TRANSLATOR ETHER SYNC 8TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS840271I | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:SYNCHRONOUS ETHERNET FREQUENCY TRANSLATOR |
| ICS840272I | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:Synchronous Ethernet Frequency Translator |
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