Datasheet > ICS8761CYLF

ICS8761CYLF

更新时间： 2024-09-29 22:09:35

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器 PC
页数	文件大小	规格书
15页	201K
描述
LOW VOLTAGE, LOW SKEW, PCI / PCI-X CLOCK GENERATOR

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ICS8761CYLF 数据手册

ICS8761

Integrated

Circuit

Systems, Inc.

LOW

OLTAGE, LOW

KEW

PCI / PCI-X CLOCK

GENERATOR

GENERAL DESCRIPTION

FEATURES

• Fully integrated PLL

The ICS8761 is a low voltage, low skew PCI /

ICS

PCI-X Clock Generator and a member of the

HiPerClockS™ family of High Performance Clock

Solutions from ICS.The ICS8761 has a selectable

REF_CLK or crystal input. The REF_CLK input

• 17 LVCMOS/LVTTL outputs, 15Ω typical output impedance

• Selectable crystal oscillator interface or

LVCMOS/LVTTL REF_CLK

HiPerClockS™

• Maximum output frequency: 166.67MHz

• Maximum crystal input frequency: 38MHz

• Maximum REF_CLK input frequency: 83.33MHz

• Individual banks with selectable output dividers for

generating 33.333MHz, 66.66MHz, 100MHz and

133.333MHz simultaneously

accepts LVCMOS or LVTTL input levels. The ICS8761 has a

fully integrated PLL along with frequency configurable clock

and feedback outputs for multiplying and regenerating clocks

with “zero delay”. Using a 20MHz or 25MHz crystal or a

33.333MHz or 66.666MHz reference frequency, the ICS8761

will generate output frequencies of 33.333MHz, 66.666MHz,

100MHz and 133.333MHz simultaneously.

• Separate feedback control for generating PCI / PCI-X

frequencies from a 20MHz or 25MHz crystal or 33.333MHz

or 66.666MHz reference frequency

The low impedance LVCMOS/LVTTL outputs of the ICS8761

are designed to drive 50Ω series or parallel terminated

transmission lines.

• Cycle-to-cycle jitter: 70ps (maximum)

• Period jitter, RMS: 17ps (maximum)

• Output skew: 230ps (maximum)

• Bank skew: 40ps (maximum)

• Static phase offset: 0 150ps (maximum)

• Full 3.3V or 3.3V core, 2.5V multiple output supply modes

• 0°C to 85°C ambient operating temperature

• Lead-Free package available

BLOCK DIAGRAM

OEA

D_SELA0

D_SELA1

QA0

QA1

PIN ASSIGNMENT

REF_CLK

XTAL1

0 0

0 1

1 0

1 1

÷3

÷4

QA2

QA3

÷6

OSC

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

÷12

XTAL2

PLL

REF_CLK

GND

QB0

QB1

QB2

QB3

XTAL_SEL

FB_IN

FB_OUT

0 0

0 1

1 0

1 1

DDOFB

XTAL1

XTAL2

PLL_SEL

OEB

FB_IN

FBDIV_SEL0

FBDIV_SEL1

D_SELB1

D_SELB0

XTAL_SEL

PLL_SEL

QC0

QC1

QC2

QC3

0 0

0 1

1 0

1 1

DDA

ICS8761

OEC

D_SELC0

D_SELD0

D_SELC1

OEC

D_SELD1

OED

D_SELC1

D_SELC0

OEA

OEB

QD0

QD1

OED

0 0

0 1

1 0

1 1

D_SELA0

D_SELA1

GND

D_SELB0

D_SELB1

GND

QD2

QD3

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

D_SELD1

D_SELD0

÷6

÷12

÷16

÷20

0 0

0 1

1 0

1 1

64-Lead LQFP

10mm x 10mm x 1.4mm package body

Y package

FB_OUT

TopView

FBDIV_SEL1

FBDIV_SEL0

8761CY

www.icst.com/products/hiperclocks.html

REV. C SEPTEMBER 7, 2004

12 3 4 5 6 7...15

中文翻译

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与ICS8761CYLF相关器件

型号	品牌	获取价格	描述	数据表
ICS8761CYLFT	ICSI	获取价格	LOW VOLTAGE, LOW SKEW, PCI / PCI-X CLOCK GENERATOR
ICS8761CYLN	ICSI	获取价格	LOW VOLTAGE, LOW SKEW, PCI / PCI-X CLOCK GENERATOR
ICS8761CYLNT	ICSI	获取价格	LOW VOLTAGE, LOW SKEW, PCI / PCI-X CLOCK GENERATOR
ICS8761CYT	ICSI	获取价格	LOW VOLTAGE, LOW SKEW, PCI / PCI-X CLOCK GENERATOR
ICS87931AYI	IDT	获取价格	PLL Based Clock Driver, 6 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM
ICS87931AYILF	IDT	获取价格	PLL Based Clock Driver, 6 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM
ICS87931AYILFT	IDT	获取价格	PLL Based Clock Driver, 6 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM
ICS87931AYIT	IDT	获取价格	PLL Based Clock Driver, 6 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM
ICS87931BYI	ICSI	获取价格	LOW SKEW, 1-TO-6 LVCMOS/LVTTL CLOCK MULTIPLIER/ZERO DELAY BUFFER
ICS87931BYILF	IDT	获取价格	PLL Based Clock Driver, 6 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM

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