Datasheet > ICS8308I

ICS8308I

更新时间： 2024-11-02 21:54:51

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
15页	205K
描述
Low Skew, 1-To-8 Differential/LVCOMS-TO-LVCMOS Fanout Buffer

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ICS8308I 数据手册

ICS8308I

LOW SKEW, 1-TO-8

DIFFERENTIAL/LVCMOS-TO-LVCMOS FANOUT BUFFER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS8308I is a low-skew, 1-to-8 Fanout Buffer

• 8 LVCMOS/LVTTL outputs (7Ω typical output impedance)

and a member of the HiPerClockS™ family of

High Performance Clock Solutions from ICS.The

ICS8308I has two selectable clock inputs. The

• Selectable LVCMOS_CLK or differential CLK, nCLK

inputs

CLK, nCLK pair can accept most differential input

• CLK, nCLK pair can accept the following differential

levels. The LVCMOS_CLK can accept LVCMOS or LVTTL

input levels. The low impedance LVCMOS/LVTTL outputs

are designed to drive 50Ω series or parallel terminated

transmission lines. The effective fanout can be increased

from 8 to 16 by utilizing the ability of the outputs to drive two

series terminated transmission lines.

input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL

• Maximum Output Frequency: 350MHz

• Output Skew: (3.3V 5ꢀ): 100ps (maximum)

• Part to Part Skew: (3.3V 5ꢀ): 1ns (maximum)

• SupplyVoltage Modes:

(Core/Output)

3.3V/3.3V

3.3V/2.5V

2.5V/2.5V

The ICS8308I is characterized for 3.3V core/3.3V output,

3.3V core/2.5V output or 2.5V core/2.5V output operation.

Guaranteed output and part-part skew characteristics make

the 8308I ideal for those clock distribution applications requiring

well defined performance and repeatability.

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

• Available in both, Standard and RoHS/Lead-Free

compliant packages

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

CLK_EN

GND

CLK_SEL

LVCMOS_CLK

CLK

VDDO

GND

V^DDO

Pullup

LVCMOS_CLK

Pullup

CLK

nCLK

CLK_EN

Pulldown

nCLK

GND

V^DDO

GND

V^DD

GND

V^DDO

Pullup

CLK_SEL

ICS8308I

24-Lead, 300-MIL TSSOP

4.4mm x 7.8mm x 0.92mm body package

G Package

TopView

Pullup

8308AGI

www.icst.com/products/hiperclocks.html

REV.B JULY 25, 2005

12 3 4 5 6 7...15

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