參數(shù)資料
型號(hào): ICS840002AGI-01LFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/14頁
文件大?。?/td> 0K
描述: IC FREQ SYNTHESIZER 16-TSSOP
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: 晶體
輸出: LVCMOS,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 無/無
頻率 - 最大: 175MHz
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: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
其它名稱: 840002AGI-01LFT
DATA SHEET
ICS840002AGI-01 REVISION B FEBRUARY 3, 2011
1
2011 Integrated Device Technology, Inc.
FemtoClock, Crystal-to-LVCMOS/LVTTL
Frequency Synthesizer
ICS840002I-01
General Description
The ICS840002I-01 is a two output LVCMOS/LVTTL Synthesizer
optimized to generate Ethernet reference clock frequencies. Using a
25MHz 18pF parallel resonant crystal, the following frequencies can
be generated based on the two frequency select pins (F_SEL[1:0]):
156.25MHz, 125MHz, and 62.5MHz. The ICS840002I-01 uses IDT’s
3RD generation low phase noise VCO technology and can achieve
1ps or lower typical random rms phase jitter, easily meeting Ethernet
jitter requirements. The ICS840002I-01 is packaged in a small
16-pin TSSOP package.
Frequency Select Function Table
Features
Two LVCMOS/LVTTL outputs@ 3.3V,
17
typical output impedance
Selectable crystal oscillator interface or LVCMOS/LVTTL
single-ended TEST_CLK
Supports the following output frequencies: 156.25MHz, 125MHz
and 62.5MHz
Output frequency range: 56MHz to 175MHz
VCO range: 560MHz to 700MHz
Output skew: 12ps (maximum)
RMS phase jitter at 156.25MHz, (1.875MHz to 20MHz):
0.47ps (typical)
Phase Noise:
Offset
Noise Power
100Hz.................-97.4 dBc/Hz
1kHz ...................-120.2 dBc/Hz
10kHz .................-127.6 dBc/Hz
100kHz ...............-126.1 dBc/Hz
Power 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
Inputs
Output
Frequency
(25MHz Ref.)
F_SEL1
F_SEL0
M Divider
Value
N Divider
Value
0
25
4
156.25
0
1
25
5
125
1
0
25
10
62.5
1
25
5
125
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
F_SEL1
GND
Q0
Q1
VDDO
XTAL_IN
XTAL_OUT
VDD
VDDA
nPLL_SEL
MR
OE
TEST_CLK
nXTAL_SEL
F_SEL0
Pin Assignment
OSC
Phase
Detector
VCO
M = ÷25 (fixed)
F_SEL1:0
0 0 ÷4
0 1 ÷5
1 0 ÷10
1 1 ÷5
0
1
0
2
N
Q0
Q1
OE
F_SEL1:0
nPLL_SEL
nXTAL_SEL
XTAL_IN
XTAL_OUT
TEST_CLK
MR
Pullup
Pullup:Pullup
Pulldown
ICS840002I-01
16-Lead TSSOP
4.4mm x 5.0mm x 0.925mm
package body
G Package
Top View
Block Diagram
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參數(shù)描述
ICS840002AGI-01T 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840002AGILF 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS840002AGILFT 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS840002AGIT 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840002AGLF 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT