Datasheet > ICS84334AY

ICS84334AY

更新时间： 2024-02-22 15:18:45

品牌	Logo	应用领域
艾迪悌 - IDT		时钟外围集成电路晶体
页数	文件大小	规格书
21页	335K
描述
Clock Generator, 700MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48

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ICS84334AY 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.23
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e0
长度：	7 mm	端子数量：	48
最高工作温度：	70 °C	最低工作温度：
最大输出时钟频率：	700 MHz	封装主体材料：	PLASTIC/EPOXY
封装代码：	LFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	240
主时钟/晶体标称频率：	40 MHz	认证状态：	Not Qualified
座面最大高度：	1.6 mm	最大供电电压：	3.465 V
最小供电电压：	2.375 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	TIN LEAD
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	20
宽度：	7 mm	uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, OTHER
Base Number Matches：	1

ICS84334AY 数据手册

PRELIMINARY

ICS84334

Integrated

Circuit

Systems, Inc.

MULTI-RATE LVPECL FREQUENCY

YNTHESIZER

GENERAL DESCRIPTION

FEATURES

The ICS84334 is a general purpose, low phase • Dual differential 3.3V LVPECL outputs which can be set

ICS

noise LVPECL synthesizer which can generate

frequencies for a wide variety of applications.The

ICS84334 has a 4:1 input Multiplexer from which

the following inputs can be selected: 1 differential

input, 1 single-ended input, or two crystal oscillators,

independently for either 3.3V or 2.5V

HiPerClockS™

• 4:1 Input Mux:

1 differential input

1 single-ended input

2 crystal oscillator interfaces

thus making the device ideal for frequency translation or

frequency generation.Each differential LVPECL output pair has • CLK, nCLK pair can accept the following differential

an output divider which can be independently set so that two

different frequencies can be generated. Additionally, each

LVPECL output pair has a dedicated power supply pin so the

input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL

• TEST_CLK accepts LVCMOS or LVTTL input levels

outputs can run at 3.3V or 2.5V.The ICS84334 also supplies a • Output frequency range: 31.25MHz to 700MHz

buffered copy of the reference clock or crystal frequency on the

single-ended REF_CLK pin which can be enabled or disabled

• Crystal input frequency range: 12MHz to 40MHz

(disabled by default).The output frequency can be programmed

using either a serial or parallel programming interface.

• VCO range: 500MHz to 700MHz

• Parallel or serial interface for programming feedback divider

and output dividers

The phase noise/phase jitter of the ICS84334 is excellent and

is expected to be in the 2-5ps rms range, thus making it

suitable for use in Fibre Channel, SONET, and Ethernet/1Gb

Ethernet applications.

• RMS phase jitter at 106.25MHz, using a 25.5MHz crystal

(637KHz to 5MHz): 2.31ps (typical)

Phase noise: 106.25MHz (typical), using a 25.5MHz crystal

Offset

Noise Power

Example applications include systems which must support both

FEC and non FEC rates. In 10 Gb Fibre Channel, for example,

you can use a 25.5MHz crystal to generate a 159.375MHz

reference clock, and then switch to a 20.544MHz crystal to

generate 164.355MHz for 66/64 FEC. Other applications could

include supporting both Ethernet frequencies and SONET

frequencies in an application. When Ethernet frequencies are

needed, a 25MHz crystal can be used and when SONET

frequencies are needed, the input MUX can be switched to select

a 38.88MHz Crystal.

100Hz ....................... -86 dBc/Hz

1KHz ..................... -111 dBc/Hz

10KHz ..................... -125 dBc/Hz

100KHz ..................... -130 dBc/Hz

• Supply voltage modes:

LVPECL outputs (core/outputs):

3.3V/3.3V

3.3V/2.5V

REF_CLK output (core/outputs):

3.3V/3.3V

PIN ASSIGNMENT

• 0°C to 70°C ambient operating temperature

48 47 46 45 44 43 42 41 40 39 38 37

XTAL_OUT1

XTAL_IN1

XTAL_OUT0

XTAL_IN0

TEST_CLK

SEL1

NA2

NB0

NB1

NB2

OE_REF

OE_A

OE_B

V^CC

ICS84334

48-Pin LQFP

7mm x 7mm x 1.4mm

package body

SEL0

V^CCA

Y Package

TopView

S_LOAD

S_DATA

S_CLOCK

V^EE

13 14 15 16 17 18 19 20 21 22 23 24

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.

84334BY

www.icst.com/products/hiperclocks.html

REV. A JULY 22, 2004

12 3 4 5 6 7...21

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与ICS84334AY相关器件

型号	品牌	获取价格	描述	数据表
ICS84334AYLF	IDT	获取价格	Clock Generator, 700MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48
ICS84334AYLFT	IDT	获取价格	Clock Generator, 700MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48
ICS84334AYT	IDT	获取价格	Clock Generator, 700MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48
ICS843404	ICSI	获取价格	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR
ICS843404AG	ICSI	获取价格	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR
ICS843404AGLF	ICSI	获取价格	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR
ICS843404AGLFT	ICSI	获取价格	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR
ICS843404AGT	ICSI	获取价格	LVCMOS/CRYSTAL-TO-3.3V LVPECL AND LVDS CLOCK GENERATOR
ICS843442I	IDT	获取价格	FemtoClock? SAS/SATA Clock Generator
ICS843-75	ICSI	获取价格	75MHZ, LVCMOS, LVPECL DUAL OUTPUT OSCILLATOR

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