參數(shù)資料
型號(hào): ICS843004AGLF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 1/20頁(yè)
文件大小: 0K
描述: IC SYNTHESIZER LVPECL 24-TSSOP
標(biāo)準(zhǔn)包裝: 62
系列: HiPerClockS™, FemtoClock™
類型: 頻率合成器
PLL: 帶旁路
輸入: 晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 226.66MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -30°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 管件
其它名稱: 800-1953-5
843004AGLF
ICS843004AGLF-ND
FEMTOCLOCKS LVCMOS/CRYSTAL-TO-
3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843004
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
1
ICS843004AG REV. C JANUARY 19, 2008
General Description
The ICS843004 is a 4 output LVPECL 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 18pF parallel resonant crystal,
the following frequencies can be generated based on the 2
frequency select pins (F_SEL[1:0]): 212.5MHz, 187.5MHz,
159.375MHz, 156.25, 106.25MHz, and 53.125MHz. The
ICS843004 uses IDT’s 3rd generation low phase noise VCO
technology and can achieve 1ps or lower typical rms phase jitter,
easily meeting Fibre Channel jitter requirements. The ICS843004
is packaged in a small 24-pin TSSOP package.
Features
Four 3.3Vdifferential LVPECL output pairs
Selectable crystal oscillator interface
or LVCMOS/LVTTL single-ended clock input
Supports the following output frequencies: 212.5MHz,
187.5MHz, 159.375MHz, 156.25MHz, 106.25MHz, 53.125MHz
VCO range: 560MHz – 680MHz
RMS phase jitter @ 212.5MHz, using a 26.5625MHz crystal
(637kHz – 10MHz): 0.72ps (typical)
Offset
Noise Power
100Hz ................ -95.0 dBc/Hz
1kHz .................. -114.3 dBc/Hz
10kHz ................ -123.8 dBc/Hz
100kHz .............. -124.6 dBc/Hz
Full 3.3V supply mode
-30°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
Table 3A. Bank A Frequency Table
HiPerClockS
ICS
Inputs
N Div. Value
M/N Div. Value
Output Frequency (MHz)
Input Frequency (MHz)
F_SEL1
F_SEL0
M Div. 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
26.04166
0
1
24
4
6
156.25
23.4375
0
24
3
8
187.5
Pin Assignment
ICS843004
24-Lead TSSOP
4.4mm x 7.8mm x 0.925mm
package body
G Package
Top View
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
nQ1
Q1
VCCO
Q0
nQ0
MR
nPLL_SEL
nc
VCCA
F_SEL0
VCC
F_SEL1
nQ2
Q2
Q3
VCCO
VEE
nQ3
nc
nXTAL_SEL
TEST_CLK
VEE
XTAL_IN
XTAL_OUT
1
0
1
0
Phase
Detector
VCO
637.5MHz
(w/26.5625MHz
Reference)
M = 24 (fixed)
F_SEL[1:0]
0 0
÷3
0 1
÷4
1 0
÷6
1 1
÷12
2
OSC
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
nPLL_SEL
nXTAL_SEL
XTAL_IN
XTAL_OUT
TEST_CLK
MR
F_SEL[1:0]
Pulldown
26.5625MHz
Block Diagram
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ICS843004AI04 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER
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