Datasheet > ICS840001BG

ICS840001BG

更新时间： 2024-11-24 22:55:23

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
12页	195K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR

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ICS840001BG 数据手册

ICS840001

FEMTOCLOCKS™ CRYSTAL-TO-

LVCMOS/LVTTL CLOCK GENERATOR

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS840001 is a Fibre Channel Clock • 1 LVCMOS/LVTTL output, 7Ω typical output impedence

ICS

Generator and a member of the HiPerClocks^TM

• Crystal oscillator interface designed for 26.5625MHz,

family of high performance devices from ICS.The

18pF parallel resonant crystal

HiPerClockS™

ICS840001 uses a 26.5625MHz crystal to

synthesize either 106.25MHz or 212.5MHz, using

• Selectable 106.25MHz or 212.5MHz output frequency

• VCO range: 560MHz to 680MHz

the FREQ_SEL pin.The ICS840001 has excellent phase jitter

performance, over the 637KHz – 10MHz integration range.

The ICS840001 is packaged in a small 8-pin TSSOP, making

it ideal for use in systems with limited board space.

• RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal

(637KHz - 10MHz): 0.696ps (typical)

• RMS phase noise at 106.25MHz (typical)

Phase noise:

Offset

Noise Power

100Hz ............... -94.4 dBc/Hz

1KHz ..............-119.9 dBc/Hz

10KHz ..............-130.2 dBc/Hz

100KHz ..............-131.5 dBc/Hz

• 3.3V operating supply

• -30°C to 85°C ambient operating temperature

FUNCTION TABLE

Input

Output Frequencies

FREQ_SEL

106.25MHz (Default)

212.5MHz

Crystal: 26.5625MHz

BLOCK DIAGRAM

PIN ASSIGNMENT

(Pullup)

VDDA

VDD

(Pulldown)

FREQ_SEL

XTAL_OUT

XTAL_IN

GND

FREQ_SEL

÷3

÷6

VCO

XTAL_IN

OSC

XTAL_OUT

ICS840001

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

Phase

Detector

637.5MHz w/

26.5625MHz Ref.

G Package

TopView

M = ÷24 (fixed)

840001BG

www.icst.com/products/hiperclocks.html

REV. A MAY 10, 2004

12 3 4 5 6 7...12

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与ICS840001BG相关器件

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ICS840001CK-32T	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840001I	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENC