700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY
SYNTHESIZER w/FANOUT BUFFER
ICS84314-02
IDT / ICS 3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER
1
ICS84314AY-02 REV. A MARCH 24, 2009
General Description
The ICS84314-02 is a general purpose quad output
frequency synthesizer and a member of the
HiPerClockS family of High Performance Clock
Solutions from IDT. When the device uses parallel
loading, the M bits are programmable and the output
divider is hard-wired for divide by 2 thus providing a frequency
range of 125MHz to 350MHz. In serial programming mode, the M
bits are programmable and the output divider can be set for either
divide by 1, 2, 4 or divide by 8, providing a frequency range of
31.25MHz to 700MHz. Additionally, the device supports spread
spectrum clocking (SSC) for minimizing Electromagnetic Interfer-
ence (EMI). The low cycle-cycle jitter and broad frequency range
of the ICS84314-02 make it an ideal clock generator for a variety
of demanding applications which require high performance.
Features
Fully integrated PLL
Four differential 3.3V or 2.5V LVPECL output pairs
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK input
Output frequency range: 31.25MHz to 700MHz
VCO range: 250MHz to 700MHz
Parallel interface for programming M dividers
Supports Spread Spectrum Clocking (SSC)
Down spread: -0.6%
Serial 3 wire interface
Cycle-to-cycle jitter: 45ps (maximum)
Output skew: 40ps (maximum)
Output duty cycle: 47% – 53%
Full 3.3V or mixed 3.3V core, 2.5V output operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS
ICS
OSC
VCO
PLL
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Output Divider N
÷1
÷2 (Power-up Default)
÷4
÷8
CONFIGURATION
INTERFACE
LOGIC
÷ M
0
1
0
1
÷ 16
PHASE DETECTOR
VCO_SEL
XTAL_SEL
TEST_CLK
XTAL_IN
XTAL_OUT
MR
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
÷2
PU
PD
9
10 11 12 13 14 15 16
32 31 30
29 28
27 26 25
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
M4
M5
M6
M7
M8
VEE
VCC
VCCO
TEST_CLK
XTAL_SEL
VCCA
S_LOAD
S_DATA
S_CLOCK
MR
VCCO
Q0
nQ0
Q1
nQ
1
Q2
nQ
2
Q3
nQ
3
M2
M1
M0
VCO_SEL
nP_LOAD
XTAL_OUT
XTAL_IN
M3
Block Diagram
Pin Assignment
ICS84314-02
32 Lead LQFP
Y Package
7mm x 7mm x 1.4mm package body
Top View
NOTE: Pullup (PU) and Pulldown (PD) refer to internal input resistors.
See Table 2, Pin Characteristics, for typical values.
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相关代理商/技术参数
ICS84314AY-02T 制造商:ICS 制造商全称:ICS 功能描述:700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER
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ICS84314AYLFT 功能描述:IC SYNTHESIZER 350MHZ 32-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT
ICS84314AYT 制造商:ICS 制造商全称:ICS 功能描述:350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER
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