Datasheet > 841S02BGIT

841S02BGIT

更新时间： 2024-01-15 17:00:44

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
17页	542K
描述
Clock Generator

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技术参数
数据手册

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841S02BGIT 技术参数

是否Rohs认证：	不符合	生命周期：	Active
Reach Compliance Code：	not_compliant	风险等级：	5.88
JESD-609代码：	e0	湿度敏感等级：	1
端子面层：	Tin/Lead (Sn85Pb15)	Base Number Matches：	1

841S02BGIT 数据手册

PRELIMINARY

PCI EXPRESS™ CLOCK GENERATOR

ICS841S02I

GENERAL DESCRIPTION

FEATURES

The ICS841S02I is a PLL-based clock generator

• Two 0.7V current mode differential HCSL output pairs

• Crystal oscillator interface, 25MHz

ICS

HiPerClockS™

specifically designed for PCI_Express™Clock

Generation applications. This device generates a

100MHz HCSL clock. The device offers a HCSL

(Host Clock Signal Level) clock output from a clock

• Output frequency: 100MHz

• RMS period jitter: 3ps (maximum)

input reference of 25MHz. The input reference may be derived

from an external source or by the addition of a 25MHz crystal to

the on-chip crystal oscillator.An external reference may be applied

to the XTAL_IN pin with the XTAL_OUT pin left floating.

• Output skew: 35ps (maximum)

• Cycle-to-cyle jitter: 35ps (maximum)

• I²C support with readback capabilities up to 400kHz

The device offers spread spectrum clock output for reduced EMI

applications. An I²C bus interface is used to enable or disable

spread spectrum operation as well as select either a down spread

value of -0.35% or -0.5%.

• Spread Spectrum for electromagnetic interference (EMI)

reduction

• 3.3V operating supply mode

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

The ICS841S02I is available in both standard and lead-free

20-Lead TSSOP packages.

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

packages

BLOCK DIAGRAM

PIN ASSIGNMENT

VSS_SRC

VDD_SRC

SRCT2

SRCC2

V^DD_SRC

25MHz

XTAL_IN

SDATA

SCLK

SRCT[1:2]

SRCC[1:2]

Divider

Network

OSC

PLL

XTAL_OUT

XTAL_IN

V^DD_REF

VSS_REF

VDDA

SRCT1

SRCC1

V^SS_SRC

VDD_SRC

VSS_SRC

IREF

Pullup

SDATA

SCLK

I²C

Logic

Pullup

VSSA

IREF

ICS841S02I

20-Lead TSSOP

6.5mm x 4.4mm x 0.92mm

package body

G Package

Top View

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^™PCI EXPRESS CLOCK GENERATOR

ICS841S02BGI REV. C NOVEMBER 1, 2007

12 3 4 5 6 7...17

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