參數(shù)資料
型號(hào): ICS841654AGILF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 1/17頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK GENERATOR 28-TSSOP
標(biāo)準(zhǔn)包裝: 48
系列: HiPerClockS™, FemtoClock™
類型: 時(shí)鐘發(fā)生器,扇出配送,多路復(fù)用器
PLL: 帶旁路
輸入: LVCMOS,LVTTL,晶體
輸出: HCSL,LVCMOS,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 2:5
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 125MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 管件
其它名稱: 841654AGILF
FEMTOCLOCKS CRYSTAL-TO-HCSL
CLOCK GENERATOR
ICS841654I
IDT / ICS HCSL CLOCK GENERATOR
1
ICS841654AGI REV. A APRIL 17, 2008
GENERAL DESCRIPTION
The ICS841654I is an optimized PCIe and sRIO clock
generator and member of the HiPerClocks family
of high-performance clock solutions from IDT. The
device uses a 25MHz parallel crystal to generate
100MHz and 125MHz clock signals, replacing
solutions requiring multiple oscillator and fanout buffer solutions.
The device has excellent phase jitter (< 1ps rms) suitable to clock
components requiring precise and low-jitter PCIe or sRIO or both
clock signals. Designed for telecom, networking and industrial
applications, the ICS841654I can also drive the high-speed sRIO
and PCIe SerDes clock inputs of communication processors,
DSPs, switches and bridges.
FEATURES
Four differential HCSL clock outputs: configurable for PCIe
(100MHz) and sRIO (100MHz or 125MHz) clock signals
One REF_OUT LVCMOS/LVTTL clock output
Selectable crystal oscillator interface, 25MHz, 18pF parallel
resonant crystal or LVCMOS/LVTTL single-ended reference
clock input
Supports the following output frequencies:
100MHz or 125MHz
VCO: 500MHz
PLL bypass and output enable
RMS phase jitter at 100MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.44ps (typical)
Full 3.3V power supply mode
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS
ICS
BLOCK DIAGRAM
PIN ASSIGNMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ICS841654I
28-Lead TSSOP
6.1mm x 9.7mm x 0.925mm
package body
G Package
Top View
VDD
REF_OUT
GND
QA0
nQA0
VDDOA
GND
QA1
nQA1
nREF_OE
BYPASS
REF_IN
REF_SEL
VDDA
IREF
FSEL0
FSEL1
QB0
nQB0
VDDOB
GND
QB1
nQB1
MR/nOE
VDD
XTAL_IN
XTAL_OUT
GND
0
1
0
M = ÷20
÷NA
÷NB
OSC
FemtoClock
PLL
VCO = 500MHz
XTAL_IN
XTAL_OUT
REF_IN
REF_SEL
IREF
BYPASS
FSEL[0:1]
MR/nOE
nREF_OE
QA0
nQA0
QA1
nQA1
QB0
nQB0
QB1
nQB1
REF_OUT
Pulldown
Pullup
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ICS841654AGIT 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS? CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841654I 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS? CRYSTAL-TO-HCSL CLOCK GENERATOR
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