Datasheet > ICS841S012I

ICS841S012I

更新时间： 2024-11-02 11:14:35

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
23页	190K
描述
Crystal-to-0.7V Differential HCSL/LVCMOS Frequency Synthesizer

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中文翻译

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ICS841S012I 数据手册

Crystal-to-0.7V Differential HCSL/

LVCMOS Frequency Synthesizer

ICS841S012I

DATA SHEET

NRND

GENERAL DESCRIPTION

FEATURES

The ICS841S012I is an optimized PCIe, sRIO and

Gigabit Ethernet Frequency Synthesizer and a

member of HiperClocks™family of high perfor-

mance clock solutions from IDT. The ICS841S012I

uses a 25MHz parallel resonant crystal to gener-

• Tꢁo 0.7V differential HCSL outputs (Bank A), configurable for

PCIe (100MHz or 250MHz) and sRIO (100MHz or 125MHz)

clock signals

ICS

HiPerClockS™

Eight LVCMOS/LVTTL outputs (Banks B/C),

18Ω typical output impedance

ate 33.33MHz - 200MHz clock signals, replacing multiple

oscillator and fanout buffer solutions. The device supports

0.25ꢀ center-spread, and -0.5ꢀ doꢁn- spread clocking ꢁith

tꢁo spread select pins (SSC[1:0]). The VCO operates at a fre-

quency of 2GHz. The device has three output banks: Bank A

ꢁith tꢁo HCSL outputs, 100MHz – 250MHz; Bank B ꢁith seven

33.33MHz – 200MHz LVCMOS/ LVTTL outputs; and Bank C

ꢁith one 33.33MHz – 200MHz LVCMOS/LVTTL output.

Tꢁo REF_OUT LVCMOS/LVTTL clock outputs,

23Ω typical output impedance

• Selectable crystal oscillator interface, 25MHz, 18pF parallel

resonant crystal or one LVCMOS/LVTTL single-ended

reference clock input

• Supports the folloꢁing output frequencies:

HCSL Bank A: 100MHz, 125MHz, 200MHz and 250MHz

LVCMOS/LVTTL Bank B/C: 33.33MHz, 50MHz, 66.67MHz,

100MHz, 125MHz, 133.33MHz, 166.67MHz and 200MHz

All Banks A, B and C have their oꢁn dedicated frequency

select pins and can be independently set for the frequencies

mentioned above. The loꢁ jitter characteristic of the

ICS841S012I makes it an ideal clock source for PCIe, sRIO

and Gigabit Ethernet applications. Designed for netꢁorking and

industrial applications, the ICS841S012I can also drive the high-

speed clock inputs of communication processors, DSPs,

sꢁitches and bridges.

• VCO: 2GHz

• Spread spectrum clock: 0.25ꢀ center-spread (typical) and

-0.6ꢀ doꢁn-spread (typical)

• PLL bypass and output enable

• RMS period jitter: 20ps (typical), QB outputs

• Full 3.3V supply mode

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

• Available in lead-free (RoHS 6) package

• Not Recommended for Neꢁ Designs

PIN ASSIGNMENT

56 55 54 53 52 51 50 49 48 47 46 45 44 43

V_DD

REF_OUT0

REF_OUT1

GND

V_DDOC

GND

QBC_OE

V_DDA

GND

IREF

QA0

ICS841S012I

GND

56-Lead VFQFN

REF_IN

V_DD

8mm x 8mm x 0.925mm

package body

REF_SEL

XTAL_IN

XTAL_OUT

BYPASS

K Package

Top Vieꢁ

nQA0

QA1

nQA1

REF_OE

nMR

V_DD

15 16 17 18 19 20 21 22 23 24 25 26 27 28

ICS841S012BKI REVISION A NOVEMBER 10, 2009

12 3 4 5 6 7...23

中文翻译

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与ICS841S012I相关器件

型号	品牌	获取价格	描述	数据表
ICS841S01BG	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S01BGI	IDT	获取价格	暂无描述
ICS841S01BGILF	IDT	获取价格	Processor Specific Clock Generator, 100MHz, PDSO16, 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMP
ICS841S01BGILFT	IDT	获取价格	Processor Specific Clock Generator, 100MHz, PDSO16, 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMP
ICS841S01BGIT	IDT	获取价格	Processor Specific Clock Generator, 100MHz, PDSO16, 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, T
ICS841S01BGLF	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S01BGLFT	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S01BGT	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S02BGI	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S02BGILF	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR

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