Datasheet > ICS275PGLF

ICS275PGLF

更新时间： 2024-10-27 11:14:23

品牌	Logo	应用领域
矽成 - ICSI		石英晶振压控振荡器时钟
页数	文件大小	规格书
8页	162K
描述
Triple PLL Field Programmable VCXO Clock Synthesizer

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ICS275PGLF 数据手册

PRELIMINARY INFORMATION

ICS275

Triple PLL Field Programmable VCXO Clock Synthesizer

Description

Features

• Packaged as 16-pin TSSOP

The ICS275 field programmable VCXO clock

synthesizer generates up to four high-quality,

high-frequency clock outputs including multiple

reference clocks from a low-frequency crystal input. It

is designed to replace crystals and crystal oscillators in

most electronic systems.

• Eight addressable registers

• Replaces multiple crystals and oscillators

• Output frequencies up to 200 MHz at 3.3 V

• Input crystal frequency of 5 to 27 MHz

• Up to four reference outputs

Using ICS’ VersaClock software to configure PLLs

• Up to two sets of two low-skew outputs

• Operating voltages of 3.3 V

and outputs, the ICS275 contains a One-Time

Programmable (OTP) ROM for field programmability.

Programming features include VCXO, eight selectable

configuration registers and up to two sets of two

low-skew outputs.

• Controllable output drive levels

• Advanced, low-power CMOS process

• Available in Pb (lead) free packaging

Using Phase-Locked Loop (PLL) techniques, the

device runs from a standard fundamental mode,

inexpensive crystal, or clock. It can replace VCXOs,

multiple crystals and oscillators, saving board space

and cost.

The ICS275 is also available in factory programmed

custom versions for high-volume applications.

Block Diagram

VDD

OTP

PLL1

PLL2

S2:S0

CLK1

CLK2

CLK3

CLK4

ROM

with

PLL

Divide

Logic

and

Output

Enable

Control

Values

VIN

PLL3

Voltage

Controlled

Crystal

Oscillator

GND

External capacitors

are required.

PDTS

MDS 275 B

Revision 040805

Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com

12 3 4 5 6 7 8

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