84320AY-01
www.idt.com
REV. D JULY 26, 2010
1
ICS84320-01
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
GENERAL DESCRIPTION
The ICS84320-01 is a general purpose, dual output Crystal-
to-3.3V Differential LVPECL High Frequency Synthesizer. The
ICS84320-01 has a selectable TEST_CLK or crystal
inputs. The VCO operates at a frequency range of 620MHz to
780MHz. The VCO frequencyis programmed in steps equal
to the value of the input reference or crystal frequency. The
VCO and output frequencycan be programmed using the
serial or parallel interfaces tothe configuration logic. The low
phase noise characteristicsof the ICS84320-01 make it an
ideal clock source for 10 Gigabit Ethernet, SONET, and
Serial Attached SCSI applications.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
Dual differential 3.3V LVPECL outputs
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK
Output frequency range: 77.5MHz to 780MHz
Crystal input frequency range: 14MHz to 40MHz
VCO range: 620MHz to 780MHz
Parallel or serial interface for programming counter
and output dividers
Duty cycle: 49% - 51% (N > 1)
RMS period jitter: 2ps (typical)
RMS phase jitter at 155.52MHz, using a 38.88MHz crystal
(12kHz to 20MHz): 2.5ps (typical)
Offset
Noise Power
100Hz ................. -90.5 dBc/Hz
1kHz ............... -114.2 dBc/Hz
10kHz ............... -123.6 dBc/Hz
100kHz ............... -128.1 dBc/Hz
3.3V supply voltage
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free RoHS (6)
packages
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
XTAL2
TEST_CLK
XTAL_SEL
VCCA
S_LOAD
S_DATA
S_CLOCK
MR
M5
M6
M7
M8
N0
N1
nc
VEE
V
EE
nFOUT0
FOUT0
V
CCO
nFOUT1
FOUT1
V
CC
TEST
XTAL1
nP_LOAD
VCO_SEL
M0
M1
M2
M3
M4
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
ICS84320-01
OSC
VCO_SEL
XTAL_SEL
TEST_CLK
XTAL1
XTAL2
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
N0:N1
VCO
PLL
FOUT0
nFOUT0
FOUT1
nFOUT1
TEST
CONFIGURATION
INTERFACE
LOGIC
÷ M
0
1
0
1
PHASE DETECTOR
÷ 1
÷ 2
÷ 4
÷ 8
MR
÷ N
32-Lead VFQFN
5mm x 5mm x 0.925 package body
K Package
Top View
相关PDF资料
ICS84320AYI-01LF IC FREQ SYNTHESIZER 32TQFP
ICS843251AG-04LF IC CLK GENERATOR LVPECL 8-TSSOP
ICS843251AGI-14LF IC CLK GEN ETHERNET 25MHZ 8TSSOP
ICS843251BGI-12LF IC CLK GENERATOR LVPECL 8-TSSOP
ICS843251BGI-15LF IC CLK GEN ETHERNET 25MHZ 8TSSOP
ICS843253AGI-45LF IC SYNTHESIZER LVPECL 16-TSSOP
ICS8432DY-101LFT IC SYNTHESIZER 700MHZ 32-LQFP
ICS8432DYI-101LF IC SYNTHESIZER 700MHZ 32-LQFP
相关代理商/技术参数
ICS84320AY-01LNT 功能描述:IC SYNTHESIZER 780MHZ 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
ICS84320AY-01T 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AYI-01 制造商:ICS 制造商全称:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
ICS84320AYI-01LF 功能描述:IC FREQ SYNTHESIZER 32TQFP 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:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
ICS84320AYI-01LFT 功能描述:IC FREQ SYNTHESIZER 32TQFP 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:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
ICS84320AYI-01T 制造商:ICS 制造商全称:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
ICS84320I-01 制造商:ICS 制造商全称:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
ICS84321 制造商:ICS 制造商全称:ICS 功能描述:260MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER