English
Language : 

ICS557-03 Datasheet, PDF (8/9 Pages) Integrated Circuit Systems – PCI-EXPRESS CLOCK SOURCE
ICS557-03
PCI-EXPRESS CLOCK SOURCE
Thermal Characteristics
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.
Typ.
78
70
68
37
Max.
Units
°C/W
°C/W
°C/W
°C/W
Marking Diagram (ICS557G-03)
16
9
Marking Diagram (ICS557GI-03)
16
9
ICS
######
YYWW
557G-03
ICS
######
YYWW
557GI-03
1
8
1
8
Marking Diagram (ICS557G-03LF)
16
9
ICS
######
YYWW
557G03LF
Marking Diagram (ICS557GI-03LF)
16
9
ICS
######
YYWW
557GI03L
1
8
1
8
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. “I” deisgnates industrial temperature range.
5. Bottom marking: (origin). Origin = country of origin of not USA.
MDS 557-03 E
8
Revision 061005
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com