Datasheet > W311

W311

更新时间： 2024-09-18 03:17:51

品牌	Logo	应用领域
SPECTRALINEAR		双倍数据速率
页数	文件大小	规格书
18页	250K
描述
FTG for VIA⑩ Pro-266 DDR Chipset

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

W311 数据手册

W311

FTG for VIA™ Pro-266 DDR Chipset

• Supports Intel^®Celeron^®and Pentium^®III class

processor

Features

• Maximized EMI Suppression using Cypress’s Spread

Spectrum Technology

• Three copies of CPU output

• Nine copies of PCI output

• System frequency synthesizer for VIA Pro-2000

• One 48 MHz output for USB

• Programmable clock output frequency with less than 1

MHz increment

• One 24 MHz or 48 MHz output for SIO

• Two buffered reference outputs

• Three copies of APIC output

• Supports frequencies up to 200MHz

• SMBus Interface for programming

• Power management control inputs

• Available in 48-pin SSOP

• Integrated fail-safe Watchdog Timer for system

recovery

• Automatically switch to HW selected or SW

programmed clock frequency when Watchdog Timer

time-out

• Capable of generate system RESET after a Watchdog

Timer time-out occurs or a change in output frequency

via SMBus interface

Key Specifications

• Support SMBus byte read/write and block read/ write

operations to simplify system BIOS development

CPU Cycle-to-cycle Jitter: ..........................................250 ps

CPU to CPU Output Skew...........................................175 ps

PCI Cycle-to-cycle Jitter:.............................................500 ps

PCI to PCI Output Skew:.............................................500 ps

• Vendor ID and Revision ID support

• Programmable drive strength for CPU and PCI output

clocks

• ProgrammableoutputskewbetweenCPU, AGPandPCI

Block Diagram

Pin Configuration^[1]

Note:

1. Signals marked with * have internal pull-up resistors

Rev 1.0, November 25, 2006

Page 1 of 18

2200 Laurelwood Road, Santa Clara, CA 95054

Tel:(408) 855-0555 Fax:(408) 855-0550

www.SpectraLinear.com

12 3 4 5 6 7...18

中文翻译

下载PDF

与W311相关器件

型号	品牌	获取价格	描述	数据表
W311_05	CYPRESS	获取价格	FTG for VIA⑩ Pro-266 DDR Chipset
W3110	PULSE	获取价格	Solutions for Mobile Phone Antennas
W3112	PULSE	获取价格	Solutions for Mobile Phone Antennas
W3113	PULSE	获取价格	Solutions for Mobile Phone Antennas
W311H	SPECTRALINEAR	获取价格	FTG for VIA⑩ Pro-266 DDR Chipset
W311H	CYPRESS	获取价格	FTG for VIA⑩ Pro-266 DDR Chipset
W311HT	SPECTRALINEAR	获取价格	FTG for VIA⑩ Pro-266 DDR Chipset
W311HT	CYPRESS	获取价格	FTG for VIA⑩ Pro-266 DDR Chipset
W312-02	SPECTRALINEAR	获取价格	FTG for VIA⑩ K7 Series Chipset with Programma
W312-02	CYPRESS	获取价格	FTG for VIA K7 Series Chipset with Programmable Output Frequency