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Fabricante

ICS508

PECL to CMOS Converter

Integrated Circuit Systems 

PRELIMINARY INFORMATION

ICS508

PECL to CMOS Converter

Description

The ICS508 is the most cost effective way to

generate a high quality, high frequency CMOS

clock output from a PECL clock input.

The ICS508 has separate VDD supplies for the

PECL input buffer and the output buffer allowing

different voltages to be used. For example, the

input clock could use a 3.3 V supply while the

output operates from 2.5 V.

The device has an Output Enable pin that tri-states

the clock output when the OE pin is taken low.

The ICS508 is a member of the ClockBlocks™

family of devices.

Features

• Packaged as 8 pin SOIC or die

• Separate VDD supplies allow voltage

translation

• Clock frequency of 0 - 250 MHz

• Duty cycle of 45/55

• Operating voltages of 2.375 to 5.5 V

• Tri-state output for board level testing

• 24 mA drive capability

• Industrial temperature version available

• Advanced, low power CMOS process

Block Diagram

VDDP

VDDC

PECLIN

PECLIN

GND

Output

Buffer

CLK

OE GND

MDS 508 C

1

Revision 012400

Printed 11/13/00

Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel • www.icst.com

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