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PDF ICS650-40 Data sheet ( Hoja de datos )
| Número de pieza | ICS650-40 | |
| Descripción | ETHERNET SWITCH CLOCK SOURCE | |
| Fabricantes | Integrated Circuit Systems | |
| Logotipo |  |
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ICS650-40
ETHERNET SWITCH CLOCK SOURCE
Description
The ICS650-40 is a clock chip designed for use in
Ethernet Switch applications. Using ICS’ patented
Phase-Locked Loop (PLL) techniques, the device takes
a 25 MHz crystal input and produces various output
clock frequencies as listed in Output Select Table.
Features
• Packaged in 16-pin TSSOP
• Available in Pb (lead) free package
• Operating voltage of 3.3 V
• Low power consumption
• Input frequency of 25 MHz
• Low long-term jitter
• 2.5 V to 3.3 V clock outputs
Block Diagram
VDD
3
VDDOA
S1:S0
2
Control
Logic
Phase Lock Loop
X1/ICLK
25 MHz
crystal or clock X2
Clock
Buffer/
Crystal
Oscillator
Optional tuning crystal
capacitors
4
GND
OE
VDDOB
CLKA
CLKB
MDS 650-40 C
1
Revision 060705
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
1 page  
ICS650-40
ETHERNET SWITCH CLOCK SOURCE
Thermal Characteristics (16-pin TSSOP)
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
Thermal Resistance Junction to Case
θJA Still air
θJA 1 m/s air flow
θJA 3 m/s air flow
θJC
Min.
Marking Diagram
16
9
Marking Diagram
16
Typ.
78
70
68
37
Max.
Units
°C/W
°C/W
°C/W
°C/W
9
ICS
650G-40
######
YYWW
ICS 650G40LF
######
YYWW
18
18
Notes:
1. ###### is the lot code.
2. YYWW is the last two digits of the year, and the week number that the part was assembled.
3. “LF” designates Pb (lead ) free package.
4. Bottom marking: (origin). Origin = country of origin if not USA.
MDS 650-40 C
5
Revision 060705
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ICS650-40.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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