参数资料
型号: ICS844004AGI-04LF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 680 MHz, OTHER CLOCK GENERATOR, PDSO24
封装: 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-24
文件页数: 1/13页
文件大小: 200K
代理商: ICS844004AGI-04LF
844004AGI-04
www.icst.com/products/hiperclocks.html
REV. A JANUARY 26, 2006
1
Integrated
Circuit
Systems, Inc.
ICS844004I-04
FEMTOCLOCKSCRYSTAL/LVCMOS-TO-
LVDS FREQUENCY SYNTHESIZER
PRELIMINARY
0
1
Phase
Detector
VCO
M = ÷32
OSC
÷4
÷1
0
1
0
1
0
1
0
1
GENERAL DESCRIPTION
The ICS844004I-04 is a 4 output LVDS
Synthesizer optimized to generate clock
frequencies for a variety of high performance
applications and is a member of the
HiPerClocksTM family of high perfor mance
clock solutions from ICS. This device can select its input
reference clock from either a crystal input or a single-
ended clock signal. It can be configured to generate 4
outputs with individually selectable divide-by-one or
divide-by-four function via the 4 frequency select pins
(F_SEL[3:0]). The ICS844004I-04 uses ICS’ 3rd generation
low phase noise VCO technology and can achieve 1ps
or lower typical r ms phase jitter. This ensures that it
will easily meet clocking requirements for SDH (STM-1/
STM-4/STM-16) and SONET (OC-3/OC12/OC-48). This
device is suitable for multi-rate and multiple por t line
card applications. The ICS844004I-04 is conveniently
packaged in a small 24-pin TSSOP package.
FEATURES
Four LVDS outputs
Selectable crystal oscillator interface
or LVCMOS/LVTTL single-ended input
Supports the following applications: SONET/SDH, SATA,
or 10Gb Ethernet
Output frequency range: 140MHz - 170MHz,
560MHz - 680MHz
VCO range: 560MHz - 680MHz
Crystal oscillator and CLK range: 17.5MHz - 21.25MHz
RMS phase jitter @ 622.08MHz output, using a 19.44MHz
crystal (12kHz - 20MHz): 0.71ps (typical)
RMS phase jitter @ 156.25MHz output, using a 19.53125MHz
crystal (1.875MHz - 20MHz): 0.51ps (typical)
RMS phase jitter @ 155.52MHz output, using a 19.44MHz
crystal (12kHz - 5MHz): 0.75ps (typical)
Full 3.3V supply mode
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS compliant
packages
HiPerClockS
ICS
PIN ASSIGNMENT
ICS844004I-04
24-Lead TSSOP
4.40mm x 7.8mm x 0.92mm
package body
G Package
Top View
nQ1
Q1
VDDo
Q0
nQ0
MR
F_SEL3
nc
VDDA
F_SEL0
VDD
F_SEL1
1
2
3
4
5
6
7
8
9
10
11
12
nQ2
Q2
VDDO
Q3
nQ3
GND
F_SEL2
INPUT_SEL
CLK
GND
XTAL_IN
XTAL_OUT
24
23
22
21
20
19
18
17
16
15
14
13
BLOCK DIAGRAM
CLK
INPUT_SEL
MR
F_SEL0
F_SEL1
F_SEL2
F_SEL3
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Pulldown
Pullup
XTAL_IN
XTAL_OUT
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
相关PDF资料
PDF描述
ICS844004AGILF 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS844004AGT 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS844004AG 226.66 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS844004BGI-01LFT 156.25 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS844008AY-16LF 125 MHz, OTHER CLOCK GENERATOR, PQFP32
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