Datasheet > 843034AYLF

843034AYLF

更新时间： 2024-10-02 19:15:27

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
24页	726K
描述
Clock Generator, 750MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBC, LQFP-48

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843034AYLF 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	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：	5.77
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e3
长度：	7 mm	湿度敏感等级：	3
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：	750 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）：	260	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：	3.135 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：	MATTE TIN	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：	30	宽度：	7 mm
uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, OTHER	Base Number Matches：	1

843034AYLF 数据手册

PRELIMINARY

FEMTOCLOCKS™ MULTI-RATE 3.3V, 2.5V

LFPECL FREQUENCY SYNTHESIZER

ICS843034

GENERAL DESCRIPTION

FEATURES

The ICS843034 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

ICS843034 has a 4:1 input Multiplexer from which

the following inputs can be selected: 1 differential

input, 1 single-ended input, or two crystal

independently for either 3.3V or 2.5V

HiPerClockS™

• 4:1 Input Mux:

One differential input

One single-ended input

Two crystal oscillator interfaces

oscillators, thus making the device ideal for frequency

translation or frequency generation. Each differential LVPECL

output pair has 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 outputs can run at 3.3V or 2.5V. The

ICS843034-02 also supplies a buffered copy of the reference

clock or crystal frequency on the single-ended REF_CLK pin

which can be enabled or disabled (disabled by default). The

output frequency can be programmed using either a serial or

parallel programming interface.

• CLK, nCLK pair can accept the following differential

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

• TEST_CLK accepts LVCMOS or LVTTL input levels

• Output frequency range: 35MHz to 750MHz

• Crystal input frequency range: 12MHz to 40MHz

• VCO range: 560MHz to 750MHz

• Parallel or serial interface for programming feedback divider

and output dividers

The phase jitter of the ICS843034 is less than 1ps rms, making

it suitable for use in Fibre Channel, SONET, and Ethernet

applications.

• RMS phase jitter at 333.33MHz, using a 22.222MHz crystal

(12kHz to 20MHz): 0.80ps (typical)

• Supply voltage modes:

Example applications include systems which must support both

FEC and non FEC rates. In 10Gb 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.

LVPECL outputs (core/outputs):

3.3V/3.3V

3.3V/2.5V

REF_CLK output (core/outputs):

3.3V/3.3V

• 0°C to 70°C ambient operating temperature

• Industrial temperature available upon request

• Available in both standard and lead-free RoHS-compliant

packages

PIN ASSIGNMENT

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

XTAL_OUT1

NB0

XTAL_IN1

XTAL_OUT0

XTAL_IN0

TEST_CLK

SEL1

NB1

NB2

ICS843034

OE_REF

OE_A

OE_B

V^CC

48-Pin LQFP

7mm x 7mm x 1.4mm

package body

SEL0

V^CCA

Y Package

S_LOAD

S_DATA

S_CLOCK

NA0

Top View

NA1

NA2

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.

IDT^™/ ICS^™3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

ICS843034AY REV B JULY 18, 2006

12 3 4 5 6 7...24

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与843034AYLF相关器件

型号	品牌	获取价格	描述	数据表
843034AYLFT	IDT	获取价格	Clock Generator, 750MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBC, LQFP
843034DY-06LF	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026, LQFP-48
843034DY-06LFT	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026, LQFP-48
843034EY-06LF	IDT	获取价格	FemtoClockâ¢ Multi-Rate 3.3V LVPECL Frequenc
843034EY-06LFT	IDT	获取价格	FemtoClockâ¢ Multi-Rate 3.3V LVPECL Frequenc
843034EYI-06LF	IDT	获取价格	FemtoClockâ¢ Multi-Rate 3.3V LVPECL Frequenc
843034EYI-06LFT	IDT	获取价格	Clock Generator, 375MHz, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, MS-026ABC-HD
843034I-06	IDT	获取价格	FemtoClockâ¢ Multi-Rate 3.3V LVPECL Frequenc
843051AG	IDT	获取价格	Clock Generator, 161.13MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
843051AG-57LF	IDT	获取价格	Clock Generator, 160MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSO

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