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參數(shù)資料
| 型號： | ICS840004BGILFT |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC FREQ SYNTHESIZER 20TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | HiPerClockS™, FemtoClock™ |
| 類型： | 頻率合成器 |
| PLL： | 帶旁路 |
| 輸入： | LVCMOS，LVTTL，晶體 |
| 輸出： | LVCMOS，LVTTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:4 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 159.375MHz |
| 除法器/乘法器： | 是/無 |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
DATA SHEET
ICS840004BGI REVISION B JULY 6, 2009
1
2009 Integrated Device Technology, Inc.
FemtoClock Crystal-to-LVCMOS/LVTTL
Frequency Synthesizer
ICS840004I
General Description
The ICS840004I is a 4 output LVCMOS/LVTTL
Synthesizer optimized to generate Fibre Channel
reference clock frequencies and is a member of the
HiPerClocksTM family of high performance clock
solutions from IDT. Using a 26.5625MHz or a
26.04166MHz, 18pF parallel resonant crystal, the following
frequencies can be generated based on the 2 frequency select pins
(F_SEL1:0): 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz, and
53.125MHz. The ICS840004I uses IDT’s 3rd generation low phase
noise VCO technology and can achieve 1ps or lower typical random
rms phase jitter, easily meeting Fibre Channel jitter requirements.
The ICS840004I is packaged in a small 20-pin TSSOP package.
Features
Four single-ended LVCMOS/LVTTL outputs
17
typical output impedance
Selectable crystal oscillator interface or single-ended input
Supports the following output frequencies: 212.5MHz,
159.375MHz, 156.25MHz, 106.25MHz and 53.125MHz
VCO range: 560MHz - 700MHz
RMS phase jitter at 212.5MHz (637kHz – 10MHz):
0.49ps (typical)
Output supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
Frequency Select Function Table
HiPerClockS
ICS
Inputs
Output Frequency Range
(MHz)
Input Frequency
(MHz)
F_SEL1
F_SEL0
M Divider
Value
N Divider
Value
M/N Ratio
Value
26.5625
0
24
3
8
212.5
26.5625
0
1
24
4
6
159.375
26.5625
1
0
24
6
4
106.25
26.5625
1
24
12
2
53.125 (default)
26.04166
0
1
24
4
6
156.25
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
nc
VDDA
nPLL_SEL
MR
OE
REF_CLK
nXTAL_SEL
nc
F_SEL0
VDD
F_SEL1
GND
Q0
Q1
VDDO
Q2
Q3
GND
XTAL_IN
XTAL_OUT
OSC
Phase
Detector
VCO
M = ÷24 (fixed)
F_SEL1:0
0 0 ÷3
0 1 ÷4
1 0 ÷6
1 1 ÷12 (default)
0
1
0
2
N
Q0
Q1
Q2
Q3
OE
F_SEL1:0
nPLL_SEL
nXTAL_SEL
XTAL_IN
XTAL_OUT
REF_CLK
MR
Pullup
Pulldown
Pullup:Pullup
26.5625MHz
ICS840004I
20-Lead TSSOP
6.5mm x 4.4mm x 0.925mm
package body
G Package
Top View
Pin Assignment
Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS840004I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840004I-01 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840008-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840008AR01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840008AR-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
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