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參數(shù)資料
| 型號(hào)： | ICS843251BGI-15LFT |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK GEN ETHERNET 25MHZ 8TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | HiPerClockS™, FemtoClock™ |
| 類型： | 時(shí)鐘發(fā)生器 |
| PLL： | 是 |
| 輸入： | 晶體 |
| 輸出： | LVPECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 750MHz |
| 除法器/乘法器： | 是/是 |
| 電源電壓： | 2.375 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 帶卷 (TR) |
FEMTOCLOCK CRYSTAL-TO-
3.3V, 2.5V LVPECL CLOCK GENERATOR
ICS843251I-15
IDT / ICS 3.3V, 2.5V LVPECL CLOCK GENERATOR
1
ICS843S51BGI-15 REV. A NOVEMBER 2, 2012
General Description
The ICS843251I-15 is an Ethernet Clock Generator. The
ICS843251I-15 uses an 18pF parallel resonant crystal over the
range of 23.2MHz - 30MHz. For Ethernet applications, a 25MHz
crystal is used. The ICS843251I-15 uses IDT’s 3rd generation low
phase noise VCO technology, and can achieve <1ps rms phase
jitter performance over the 1.875MHz – 20MHz integration range.
The ICS843251I-15 is packaged in a small 8-pin TSSOP, making it
ideal for use in systems with limited board space.
Features
One differential 3.3V LVPECL output pair
Crystal oscillator interface, 18pF parallel resonant crystal
(23.2MHz – 30MHz)
Output frequency range: 116MHz – 150MHz and
580MHz – 750MHz
VCO range: 580MHz – 750MHz
RMS phase jitter @ 125MHz, using a 25MHz crystal
(1.875MHz – 20MHz): 0.45ps (typical), 3.3V
Full 3.3V or 2.5V supply modes
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
Common Configuration Table
Inputs
Output Frequency (MHz)
Crystal Frequency (MHz)
FREQ_SEL
M
N
Multiplication Value
M/N
25
1
25
1
25
625
26.667
1
25
1
25
666.67
25
0
25
5
125
26.667
0
25
5
133.33
Pin Assignment
1
2
3
4
8
7
6
5
Q
nQ
FREQ_SEL
VCC
VCCA
VEE
XTAL_OUT
XTAL_IN
Block Diagram
OSC
Phase
Detector
VCO
580MHz - 750MHz
M = ÷25 (fixed)
FREQ_SEL
N
1
÷1
0 (default) ÷5
Q
nQ
FREQ_SEL
XTAL_IN
XTAL_OUT
Pulldown
ICS843251I-15
8 Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
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| VE-JTV-MZ-F3 | CONVERTER MOD DC/DC 5.8V 25W |
| ICS843251BGI-12LFT | IC CLK GENERATOR LVPECL 8-TSSOP |
| ICS843020AY-01LFT | IC SYNTHESIZER LVPECL 32-LQFP |
| VE-JTV-MZ-F1 | CONVERTER MOD DC/DC 5.8V 25W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843251BGI-15T | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER LVPECL 8TSSOP |
| ICS843251I-12 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR |
| ICS8432-51K | 制造商:ICS 制造商全稱:ICS 功能描述:700MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS843252 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843252-04 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR |
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