Datasheet > ICS43034A01L

ICS43034A01L

更新时间： 2024-11-14 11:14:27

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
22页	242K
描述
FEMTOCLOCKS? MULTI-RATE LVPECL FREQUENCY SYNTHESIZER

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ICS43034A01L 数据手册

PRELIMINARY

ICS843034-01

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™

MULTI-RATE LVPECL FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

FEATURES

The ICS843034-01 is a general purpose, low • Dual differential 3.3V LVPECL outputs which can be set

ICS

HiPerClockS™

phase noise LVPECL synthesizer which can

generate frequencies for a wide variety of

applications. The ICS843034-01 has a 4:1

input Multiplexer from which the following

inputs can be selected: 1 differential input, 1

independently for either 3.3V or 2.5V

• 4:1 Input Mux:

1 differential input

1 single-ended input

2 crystal oscillator interfaces

single-ended input, or one of two crystal oscillators,

thus making the device ideal for frequency translation or • CLK, nCLK pair can accept the following differential

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

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

• TEST_CLK accepts LVCMOS or LVTTL input levels

LVPECL output pair has a dedicated power supply pin so • Output frequency range: 30.625MHz to 640MHz

the outputs can run at 3.3V or 2.5V. The ICS843034-01

also supplies a buffered copy of the reference clock or

• Crystal input frequency range: 12MHz to 40MHz

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.

• VCO range: 490MHz to 640MHz

• Parallel or serial interface for programming feedback divider

and output dividers

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

(637kHz to 5MHz): 0.61ps (typical)

The ICS843034-01 has excellent <1ps phase jitter

performance over the 637kHz - 5MHz integration range, thus

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

Ethernet/1Gb Ethernet applications.

• Supply voltage modes:

LVPECL outputs (core/outputs):

3.3V/3.3V

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.

3.3V/2.5V

REF_CLK output (core/outputs):

3.3V/3.3V

3.3V/2.5V

• 0°C to 70°C ambient operating temperature

• 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

XTAL_IN1

XTAL_OUT0

XTAL_IN0

TEST_CLK

SEL1

NB0

NB1

NB2

ICS843034-01

OE_REF

OE_A

OE_B

V^CC

48-Pin LQFP

7mm x 7mm x 1.4mm

package body

SEL0

V^CCA

Y Package

TopView

S_LOAD

S_DATA

S_CLOCK

NA0

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.

843034AY-01

www.icst.com/products/hiperclocks.html

REV.C NOVEMBER 28, 2005

12 3 4 5 6 7...22

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与ICS43034A01L相关器件

型号	品牌	获取价格	描述	数据表
ICS4320A01L	IDT	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS432BI51L	IDT	获取价格	700MHZ, CYRSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS432DI101L	ICSI	获取价格	700MHZ, DIFFERENTIAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS-43432	TDK	获取价格	MEMS麦克风(麦克风)
ICS-43434	TDK	获取价格	MEMS麦克风(麦克风)
ICS44002A01L	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TOLVDS FREQUENCY SYNTHES
ICS44002AI01	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
ICS44002AI01	IDT	获取价格	FEMTOCLOCKS CRYSTAL-TOLVDS FREQUENCY SYNTHESIZER
ICS44004AI04L	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL/LVCMOS-TO-LVDS FREQUENCY
ICS448-16	ICSI	获取价格	Networking Clock Synthesizer

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