Datasheet > ICS840304BGILF

ICS840304BGILF

更新时间： 2024-11-15 05:14:27

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
15页	1064K
描述
Clock Generator, 133.33MHz, 0.173 INCH, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-24

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替代型号

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ICS840304BGILF 数据手册

PRELIMINARY

FEMTOCLOCKS™ CRYSTAL-TO-LVCMOS/LVTTL

FREQUENCY SYNTHESIZER

ICS840304I

GENERAL DESCRIPTION

FEATURES

• Four LVCMOS/LVTTL outputs,

ICS840304I is an optimized PCI-X and PCI-e clock

ICS

HiPerClockS™

20Ω typical output impedance

One REF_OUT LVCMOS/LVTTL clock output

generator and a member of the HiperClocks™family

of high performance clock solutions from IDT. The

ICS840304I uses a 25MHz parallel crystal to

generate 33.33MHz to 133.33MHz clock signals,

• Selectable crystal oscillator interface, 25MHz,

18pF parallel resonant crystal or

LVCMOS/LVTTL single-ended clock input

replacing solutions requiring multiple oscillator and fanout buffer

solutions. The device supports 1% downspread spread spectrum

clocking. The ICS840304I has excellent phase jitter (<1ps rms)

over integration range of 1.5MHz - 22MHz. Designed for

Backplane, networking and industrial applications, the

ICS840304I can also drive the high-speed PCI-X and PCI-e

SerDes clock inputs of communication processors, DSPs,

switches and bridges.

• Support the following output frequencies: 33.33MHz,

66.67MHz, 100MHz or 133.33MHz

• VCO: 400MHz

• PLL and N divider bypass and output enable

• RMS phase jitter @100MHz, using a 25MHz crystal,

(1.5MHz - 22MHz): 0.46ps (typical) @ 3.3V

• Supports SSC, 1% downspread

• Full 3.3V and 2.5V supply modes

• -40°C to 85°C ambient operating temperature

• Available in both standard (RoHS 5) and lead-free (RoHS 6)

packages

BLOCK DIAGRAM

PIN ASSIGNMENT

Pulldown

BYPASS

19 Q1

VDD

XTAL_IN

XTAL_OUT

GND

REF_SEL

REF_IN

BYPASS

V^DDO_REF

REF_OUT

GND_REF

nOE

XTAL_IN

GND_Q

OSC

FemtoClock

PLL

VCO = 400MHz

XTAL_OUT

REF_IN

÷N

V^DDA

16 Q3

F_SEL0

V^DD

F_SEL1

V^DDO_Q

14 nREF_OE

Pulldown

SSC

Pulldown

ICS840304I

24-Lead, 173-MIL TSSOP

4.4mm x 7.8mm x 0.92mm

body package

REF_SEL

M = ÷16

Pulldown

SSC

nOE

G Package

Top View

REF_OUT

Pulldown

Pullup

F_SEL[1:0]

nREF_OE

The Preliminary Information presented herein represents a product in pre-production.The noted characteristics are based on initial product characterization

and/or qualification.Integrated DeviceTechnology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.

IDT^™/ ICS^™LVCMOS/LVTTL FREQUENCY SYNTHESIZER

ICS840304BGI REV A DECEMBER 4, 2006

12 3 4 5 6 7...15

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ICS840304BGILF 替代型号

型号	品牌	替代类型	描述	数据表
840304BGILFT	IDT	功能相似	TSSOP-24, Reel
840304BGILF	IDT	功能相似	TSSOP-24, Tube
ICS840304BGILFT	IDT	功能相似	Clock Generator, 133.33MHz, 0.173 INCH, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO

与ICS840304BGILF相关器件

型号	品牌	获取价格	描述	数据表
ICS840304BGILFT	IDT	获取价格	Clock Generator, 133.33MHz, 0.173 INCH, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO
ICS840-75	ICSI	获取价格	75MHZ, LVCMOS/LVTTL OSCILLATOR REPLACEMENT
ICS84075AG-75	IDT	获取价格	Oscillator
ICS84075AG-75LF	IDT	获取价格	Oscillator
ICS84075AG-75LFT	IDT	获取价格	Oscillator
ICS84075AG-75T	IDT	获取价格	Oscillator
ICS84075AM-75	IDT	获取价格	Oscillator
ICS84075AM-75LF	IDT	获取价格	Oscillator
ICS84075AM-75LFT	IDT	获取价格	Oscillator
ICS84075AM-75T	IDT	获取价格	Oscillator

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