参数资料
型号: ICS357M-XX
元件分类: 时钟产生/分配
英文描述: 200 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: SOIC-16
文件页数: 1/6页
文件大小: 84K
代理商: ICS357M-XX
MDS 357 B
1
Revision 032301
Integrated Circuit Systems, Inc. 525 Race Street San Jose, CA, 95126 (408) 295-9800tel www.icst.com
ICS357
PECL/LVDS Spread Spectrum QTClock
PRELIMINARY INFORMATION
Packaged as 16 pin TSSOP and SOIC
Quick turn frequency programming allows
samples as quickly as one day
Ideal for the High Speed Serial ATA applications
Spread spectrum outputs
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 ICS357 quick turn (QTClock) generates a high
quality, high frequency, spread spectrum differential
PECL/LVDS clock from a clock or crystal input. The
ICS357 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. This allows customer requests for different
input and output frequencies to be shipped in one to
three days.
Using Phase-Locked-Loop (PLL) techniques, the
device runs from a standard fundamental mode,
inexpensive crystal, or clock. It can replace multiple
devices, saving board space and cost.
Block Diagram
Description
Features
Crystal
or clock
input
OTP
ROM
with PLL
Divider
Values
PLL with
Spread
Spectrum
Crystal
Oscillator
PECL
PDTS (all outputs, oscillator, and PLL)
X1/ICLK
X2
Capacitors are required with a crystal input
for accurate tuning of the clock.
S2:S0
3
PECL
REFOUT
VDD
Resistors on PECL are
identical (but not shown)
VDD
RES
相关PDF资料
PDF描述
ICS357M-XX-LF 200 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS357G-XX-LF 200 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS357M-XX-LF 200 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS357M-XX 200 MHz, OTHER CLOCK GENERATOR, PDSO16
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