Datasheet > 841S01BGI

841S01BGI

更新时间： 2024-02-23 20:13:11

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
13页	271K
描述
Clock Generator

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技术参数
数据手册

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841S01BGI 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.92
Base Number Matches：	1

841S01BGI 数据手册

PRELIMINARY

ICS841S01I

Integrated

Circuit

Systems, Inc.

PCI EXPRESS™ CLOCK GENERATOR

GENERAL DESCRIPTION

FEATURES

The ICS841S01I is a PLL-based clock generator • One 0.7V current mode differential HCSL output pair

ICS

HiPerClockS™

specifically designed for PCI_Express™Clock

• Crystal oscillator interface, 25MHz

Generation applications. This device generates

a 100MHz HCSL clock.The device offers a HCSL

(Host Clock Signal Level) clock output from a

• Output frequency: 100MHz

• Period jitter: TBD

clock 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: 150ps (maximum)

• Cycle-to-cyle jitter: 50ps (maximum)

• I²C support with readback capabilities up to 400kHz

• Spread Spectrum for electromagnetic interference (EMI)

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 -.5%.

reduction

• 3.3V operating supply mode

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

The ICS841S01I is available in both standard and lead-free

16-Lead TSSOP packages.

• Available in both standard and lead-free RoHS compliant

packages

BLOCK DIAGRAM

PIN ASSIGNMENT

XTAL_IN

SRCT0

SRCC0

VSS_SRC

VDD_SRC

15 SDATA

13 XTAL_OUT

12 XTAL_IN

V^DD_SRC

Divider

Network

OSC

PLL

SRCT0

SRCC0

SCLK

XTAL_OUT

V^DD_SRC

VSS_SRC

Pullup

SDATA

V^DD_REF

VSS_REF

VDDA

I²C

Logic

IREF

SCLK ^Pullup

VSSA

ICS841S01I

16-LeadTSSOP

4.4mm x 5.0mm x 0.92mm

package body

IREF

G Package

Top View

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.

841S01BGI

www.icst.com/products/hiperclocks.html

JUNE 12, 2006

12 3 4 5 6 7...13

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