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參數(shù)資料
| 型號： | ICS354G-XXT-LF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 200 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 71K |
| 代理商： | ICS354G-XXT-LF |
MDS 354 B
1
Revision 021202
Integrated Circuit Systems, Inc. 525 Race Street San Jose, CA, 95126 (408) 295-9800tel www.icst.com
ICS354
Triple PLL Quick Turn Clock Synthesizer
Packaged as 16 pin TSSOP
Quick turn frequency programming allows
samples as quickly as one day
Up to 2 outputs can be low-skew
Spread-Spectrum capability included
Can include 5 selectable output frequencies
Up to 3 reference outputs
Replaces multiple crystals and oscillators
Output frequencies up to 200 MHz at 3.3V
Input crystal frequency of 5 - 27 MHz
Input clock frequency of 2 - 50 MHz
Duty cycle of 45/55
Operating voltage of 3.3 V or 5 V
Advanced, low power CMOS process
The ICS354 QTClock generates up to 5 high quality,
high frequency clock outputs including a reference
from a low frequency crystal or clock input. It is
designed to replace crystals and crystal oscillators in
most electronic systems. The ICS354 contains a One
Time Programmable (OTP) ROM which is factory
programmed with PLL divider values to output a broad
range of frequencies up to 200 MHz, allowing
customer requests for different frequencies to be
shipped in 1-3 days. Programming features include a
selectable frequency table, two low-skew outputs, and
optional Spread Spectrum on PLLA.
Using Phase-Locked-Loop (PLL) techniques, the
device runs from a standard fundamental mode,
inexpensive crystal, or clock. It can replace multiple
crystals and oscillators, saving board space and cost.
Block Diagram
Description
Features
Crystal
or clock
input
OTP
ROM
with PLL
Divider
Values
PLLA
Spread
Spectrum
PLLB
PLLC
Crystal
Oscillator
Divide
Logic
and
Output
Control
CLK1
CLK2
CLK3
CLK4
CLK5
PDTS (all outputs and PLLs)
X1/ICLK
X2
Capacitors are required with a crystal input.
S2:S0
3
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