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參數資料
| 型號： | ICS650-07C |
| 英文描述： | Networking Clock Source |
| 中文描述： | 網絡時鐘源 |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 73K |
| 代理商： | ICS650-07C |
ICS650-07C
Networking Clock Source
MDS 650-07C A
Integrated Circuit Systems, Inc. 525 Race Street San Jose CA 95126(408)295-9800tel www.icst.com
1
Revision 101399
Printed 11/28/00
PRELIMINARY INFORMATION
The ICS650-07C is a low cost, low jitter, high
performance clock synthesizer for networking
applications. Using analog Phase-Locked Loop
(PLL) techniques, the device accepts a 12.5 MHz
or 25.00 MHz clock or fundamental mode crystal
input to produce multiple output clocks for
networking chips, PCI devices, SDRAM, and
ASICs. The ICS650-07C outputs all have 0 ppm
synthesis error.
See the MK74CB214, ICS551, and ICS552-01 for
non-PLL buffer devices which produce multiple
low-skew copies of these output clocks.
See the ICS570, ICS9112-16/17/18 for zero delay
buffers that can synchronize outputs and other
needed clocks.
Block Diagram
Description
Features
Packaged in 20 pin narrow (150 mil) SSOP (QSOP)
12.5 MHz or 25.00 MHz fundamental crystal or
clock input
Six output clocks with selectable frequencies
SDRAM frequencies of 67, 83, 100, and 133 MHz
Buffered crystal reference output
Zero ppm synthesis error in all clocks
Ideal for PMC-Sierra’s ATM switch chips
Full CMOS output swing with 25 mA output drive
capability at TTL levels
Advanced, low power, sub-micron CMOS process
3.0V to 5.5V operating voltage
Clock
Buffer/
Crystal
Oscillator
VDD
GND
Clock Synthesis
and Control
Circuitry
12.5 MHz or
25.00 MHz
crystal or clock
X1
Output
Buffer
CLKC1
REFOUT
2
2
Output
Buffer
CLKC2
Output
Buffer
X2
Output
Buffer
CLKA1
Optional crystal capacitors are shown and may be required for tuning of initial accuracy (determined once per board).
ACS1,0
OE (all outputs)
÷ 2
CLKA2
Output
Buffer
Output
Buffer
CLKB1
÷ 2
CLKB2
Output
Buffer
2
BCS1,0
2
CCS
相關PDF資料 |
PDF描述 |
|---|---|
| ICS650-11B | BroadCom Networking Clock Synthesizer |
| ICS650R-11I | BroadCom Networking Clock Synthesizer |
| ICS650R-11IT | BroadCom Networking Clock Synthesizer |
| ICS650-14B | Networking System Clock |
| ICS650-22 | PVR and STB Clock Source |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS650-11B | 制造商:ICS 制造商全稱:ICS 功能描述:BroadCom Networking Clock Synthesizer |
| ICS650-12 | 制造商:ICS 制造商全稱:ICS 功能描述:MPEG Clock Synthesizer |
| ICS650-14B | 制造商:ICS 制造商全稱:ICS 功能描述:Networking System Clock |
| ICS650-21 | 制造商:ICS 制造商全稱:ICS 功能描述:System Peripheral Clock Source |
| ICS650-22 | 制造商:ICS 制造商全稱:ICS 功能描述:PVR and STB Clock Source |
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