Datasheet > 557-01

557-01

更新时间： 2024-11-06 14:57:11

品牌	Logo	应用领域
瑞萨 - RENESAS		PC
页数	文件大小	规格书
11页	305K
描述
PCI Express? GEN1 Clock Source

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557-01 数据手册

DATASHEET

PCI-EXPRESS GEN1 CLOCK SOURCE

ICS557-01

Description

Features

The ICS557-01 is a clock chip designed for use in

PCI-Express Cards as a clock source. It provides a pair of

differential outputs at 100 MHz in a small 8-pin SOIC

package.

• Supports PCI-Express HCSL Outputs

0.7 V current mode differential pair

• Supports LVDS Output Levels

• Packaged in 8-pin SOIC

• RoHS 5 (green) or RoHS 6 (green and lead free)

Using IDT’s patented Phase-Locked Loop (PLL)

compliant packaging

techniques, the device takes a 25 MHz crystal input and

produces HCSL (Host Clock Signal Level) differential

outputs at 100 MHz clock frequency. LVDS signal levels can

also be supported via an alternative termination scheme.

• Operating voltage of 3.3 V

• Low power consumption

• Input frequency of 25 MHz

• Short term jitter 100 ps (peak-to-peak)

• Output Enable via pin selection

• Industrial temperature range available

• For PCIe Gen2 applications, see the 5V41064

• For PCIe Gen3 applications, see the 5V41234

Block Diagram

VDD

CLK

Phase Lock

Loop

CLK

Clock

Buffer/

Crystal

Oscillator

25 MHz

crystal /clock

Crystal Tuning Capacitors

R_R(IREF)

GND

IDT® PCI-EXPRESS GEN1 CLOCK SOURCE

ICS557-01

REV P 072512

12 3 4 5 6 7...11

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