ICS557-03 Datasheet, PDF (8/10 Pages) Integrated Circuit Systems – PCI-EXPRESS CLOCK SOURCE

ICS557-03
PCI-EXPRESS CLOCK SOURCE
PCIE SSCG
Thermal Characteristics
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
Thermal Resistance Junction to Case
q_JA Still air
q_JA
1 m/s air flow
q_JA 3 m/s air flow
q_JC
Min.
Typ.
78
70
68
37
Max.
Units
° C/W
° C/W
° C/W
° C/W
Marking Diagram (ICS557G-03)
Marking Diagram (ICS557GI-03)
16
9
16
9
557G-03
######
YYWW$$
557GI-03
######
YYWW$$
1
8
Marking Diagram (ICS557G-03LF)
16
9
557G03LF
######
YYWW
1
8
Marking Diagram (ICS557GI-03LF)
16
9
557GI03L
######
YYWW
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.
IDT™ / ICS™ PCI-EXPRESS CLOCK SOURCE
8
ICS557-03 REV K 102907