参数资料
型号: ICS843252AG-04T
元件分类: 时钟产生/分配
英文描述: 187.5 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16
文件页数: 1/12页
文件大小: 200K
代理商: ICS843252AG-04T
843252AG-04
www.icst.com/products/hiperclocks.html
REV. A JANUARY 25, 2006
1
Integrated
Circuit
Systems, Inc.
ICS843252-04
FEMTOCLOCKS CRYSTAL-TO-
3.3V LVPECL CLOCK GENERATOR
PRELIMINARY
GENERAL DESCRIPTION
The ICS843252-04 is a 10Gb/12Gb Ethernet
Clock Generator and a member of the
HiPerClocksTM family of high perfor mance
devices from ICS. The ICS843252-04 can
synthesize 10 Gigabit Ethernet and 12 Gigabit
Ethernet with a 25MHz crystal. It can also generate SATA
and 10Gb Fibre Channel reference clock frequencies with
the appropriate choice of crystals. The ICS843252-04 has
excellent phase jitter performance and is packaged in a
small 16-pin TSSOP, making it ideal for use in systems with
limited board space.
FEATURES
Two differential 3.3V LVPECL output
Crystal oscillator interface designed for
18pF parallel resonant crystals
Crystal input frequency range: 19.33MHz - 30MHz
Output frequency range: 145MHz - 187.5MHz
VCO frequency range: 580MHz - 750MHz
RMS phase jitter at 156.25MHz (1.875MHz - 20MHz):
0.39ps (typical)
3.3V operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
Available in both standard and lead-free compliant
packages
HiPerClockS
ICS
Pulldown
Pullup
Pulldown
1
0
1
0
Phase
Detector
VCO
580MHz-750MHz
OSC
0 = ÷25 (default)
1 = ÷30
DIV. N
÷4
D
LE
Q
XTAL_IN
XTAL_OUT
Q0
nQ0
Q1
nQ1
FREQ_SEL
BLOCK DIAGRAM
PIN ASSIGNMENT
CONFIGURATION TABLE WITH 25MHZ CRYSTAL
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CONFIGURATION TABLE WITH SELECTABLE CRYSTALS
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CLK_SEL
REF_CLK
nPLL_SEL
OE
nQ1
Q1
VCCO
OE
nPLL_SEL
VCCO
Q0
nQ0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
XTAL_IN
XTAL_OUT
VEE
REF_CLK
CLK_SEL
VCC
VCCA
FREQ_SEL
ICS843252-04
16-Lead TSSOP
4.4mm x 5.0mm x 0.92mm
package body
G Package
Top View
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
ICS843252AG 680 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS843252AGT 680 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS843252AGLF 680 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS843252AG 680 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS843256AGILF 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
相关代理商/技术参数
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