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ICS270PGI Datasheet

  • ICS270PGI

  • Triple PLL Field Programmable VCXO Clock Synthesizer

  • 163.56KB

  • 8頁

  • ICS

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PRELIMINARY INFORMATION
ICS270
Triple PLL Field Programmable VCXO Clock Synthesizer
Description
The ICS270 field programmable VCXO clock
synthesizer generates up to eight 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.
Using ICS鈥?/div>
software to configure PLLs
and outputs, the ICS270 contains a One-Time
Programmable (OTP) ROM for field programmability.
Programming features include VCXO, eight selectable
configuration registers and up to two sets of four
low-skew outputs.
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 ICS270 is also available in factory programmed
custom versions for high-volume applications.
VersaClock
TM
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Packaged as 20-pin TSSOP
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 eight reference outputs
Up to two sets of four low-skew outputs
Operating voltages of 3.3 V
Controllable output drive levels
Advanced, low-power CMOS process
Available in Pb (lead) free packaging
Block Diagram
VDD
3
S2:S0
3
OTP
ROM
with
PLL
Values
CLK1
PLL1
CLK2
Divide
Logic
and
Output
Enable
Control
CLK3
CLK4
CLK5
CLK6
CLK7
CLK8
PLL2
VIN
PLL3
X1
Crystal
X2
External capacitors
are required.
Voltage
Controlled
Crystal
Oscillator
GND
2
PDTS
MDS 270 B
Integrated Circuit Systems, Inc.
鈼?/div>
1
525 Race Street, San Jose, CA 95126
鈼?/div>
Revision 040705
tel (408) 297-1201
鈼?/div>
www.icst.com

ICS270PGI 產(chǎn)品屬性

  • Product Discontinuation 13/May/2009

  • 72

  • 集成電路 (IC)

  • 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器

  • VersaClock™

  • 時(shí)鐘/頻率合成器，扇出緩沖器（分配）

  • 帶旁路

  • 晶體

  • CMOS

  • 1

  • 1:8

  • 無/無

  • 200MHz

  • 是/是

  • 3.135 V ~ 3.465 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-TSSOP（0.173"，4.40mm 寬）

  • 20-TSSOP

  • 管件

  • 270PGI

ICS270PGI相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
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  • 英文版
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  • 英文版
    Triple PLL Field Programmable VCXO Clock Synthesizer
    ICST [Inte...
  • 英文版
    Triple PLL Field Programmable VCXO Clock Synthesizer
    ICST [Inte...
  • 英文版
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    ICST [Inte...
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    ICST [Inte...
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    Triple PLL Field Prog. Spread Spectrum Clock Synthesizer
    ICST [Inte...
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    Wavedec Digital Audio Codec
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    Wavedec Digital Audio Codec
    ICST [Inte...
  • 英文版
    3.3 VOLT ZERO DELAY, LOW SKEW BUFFER
    ICS
  • 英文版
    3.3 VOLT ZERO DELAY, LOW SKEW BUFFER
    ICST [Inte...
  • 英文版
    3.3 VOLT ZERO DELAY, LOW SKEW BUFFER
    ICS
  • 英文版
    3.3 VOLT ZERO DELAY, LOW SKEW BUFFER
    ICST [Inte...

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