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參數(shù)資料
| 型號： | ICS525-01RT |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 160 MHz, OTHER CLOCK GENERATOR, PDSO28 |
| 封裝： | 0.150 INCH, SSOP-28 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 79K |
| 代理商： | ICS525-01RT |
ICS525
OSCaR User Configurable Clock
MDS525E
1
Revision 3098
Printed 5/7/98
MicroClock Division of ICS1271 Parkmoor Ave.San JoseCA95126(408)295-9800tel(408)295-9818fax
ICRO
CLOCK
Packaged as 28 pin SSOP (150 mil body)
Highly accurate frequency generation
User determines the output frequency by
setting all internal dividers
Eliminates need for custom oscillators
No software needed
Pull-ups on all select inputs
Input crystal frequency of 5 - 27 MHz
Input clock frequency of 2 - 50 MHz
Output clock frequencies up to 160 MHz
Very low jitter
Duty cycle of 45/55 up to 160 MHz
Operating voltages of 3.0 to 5.5V
25mA drive capability at TTL levels
Ideal for oscillator replacement
Industrial temperature version available
Advanced, low power CMOS process
The ICS525 OSCaR is the most flexible way
to generate a high quality, high accuracy, high
frequency clock output from an inexpensive
crystal or clock input. The name OSCaR stands
for OSCillator Replacement, as it is designed to
replace crystal oscillators in almost any electronic
system. The user can easily configure the device
to produce nearly any output frequency from any
input frequency by grounding or floating the
select pins. NEITHER MICROCONTROLLER
NOR SOFTWARE NOR DEVICE
PROGRAMMER ARE NEEDED TO SET
THE FREQUENCY. Using Phase-Locked-Loop
(PLL) techniques, the device accepts a standard
fundamental mode, inexpensive crystal to
produce output clocks up to 160 MHz. It can
also produce a highly accurate output clock from
a given input clock, keeping them frequency
locked together.
For simple multipliers to produce common
frequencies, refer to the LOCO family of parts,
which are smaller and more cost effective.
Block Diagram
Description
Features
Crystal or
clock input
X1/ICLK
X2
Reference
Divider
Phase Comparator,
Charge Pump,
and Loop Filter
Crystal
Oscillator
VCO
Divider
VCO
Output
Buffer
2
VDD
GND
S2:S0
CLK
Output
Buffer
REF
Output
Divider
R6:R0
V8:V0
2
3
9
7
PD
optional
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| ICS525-02 | 制造商:ICS 制造商全稱:ICS 功能描述:User Configurable Clock |
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| ICS525-04 | 制造商:ICS 制造商全稱:ICS 功能描述:OSCaR-TM User Configurable PECL Clock |
| ICS5250708 | 制造商:ICS 制造商全稱:ICS 功能描述:LVCMOS User Configurable Clock |
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