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參數(shù)資料
| 型號： | ICS84025EM |
| 英文描述： | CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| 中文描述： | 水晶到的LVCMOS / LVTTL頻率合成扇出緩沖器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 143K |
| 代理商： | ICS84025EM |
84025EM
www.icst.com/products/hiperclocks.html
REV. A APRIL 16, 2003
1
ICS84025
C
RYSTAL
-
TO
-LVCMOS / LVTTL
F
REQUENCY
S
YNTHESIZER
WITH
F
ANOUT
B
UFFER
PRELIMINARY
G
ENERAL
D
ESCRIPTION
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.
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
F
EATURES
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
100Hz ................. -100 dBc/Hz
1KHz ................. -115 dBc/Hz
10KHz ................. -125 dBc/Hz
100KHz ................. -127 dBc/Hz
Noise Power
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
V
DDO
Q0
GND
Q1
V
DDO
Q2
GND
Q3
V
DDO
Q4
GND
Q5
1
2
3
4
5
6
7
8
9
10
11
12
F_SEL0
F_SEL1
MR
XTAL1
XTAL2
GND
V
DDA
V
DD
PLL_SEL
GND
nc
V
DDO
24
23
22
21
20
19
18
17
16
15
14
13
F
UNCTION
T
ABLE
s
u
1
L
p
n
S
_
X
L
A
T
X
y
c
n
e
u
q
T
e
U
W
M
5
M
5
M
M
r
F
O
_
O
L
2
2
0
5
6
2
1
t
u
p
t
u
O
R
1
0
0
0
0
M
E
F
0
L
E
S
X
0
_
F
F
0
0
1
1
z
z
H
H
z
z
M
M
H
M
M
5
2
5
2
5
2
5
2
z
z
H
H
z
z
1
5
1
1
0
1
H
H
H
5
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS84025EMT | 制造商:ICS 制造商全稱: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 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS840271BGILFT | 功能描述:IC TRANSLATOR ETHER SYNC 8TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| ICS840271I | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:SYNCHRONOUS ETHERNET FREQUENCY TRANSLATOR |
| ICS840272I | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:Synchronous Ethernet Frequency Translator |
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