
ICS650-40A
ETHERNET SWITCH CLOCK SOURCE
CLOCK SYNTHESIZER
IDT / ICS ETHERNET SWITCH CLOCK SOURCE
5
ICS650-40A
REV E 051310
Thermal Characteristics
Marking Diagram (RoHS compliant)
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. “L” designates RoHS compliant package.
4. Bottom marking: country of origin if not USA.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Thermal Resistance Junction to
Ambient
θJA
Still air
78
° C/W
θJA
1 m/s air flow
70
° C/W
θJA
3 m/s air flow
68
° C/W
Thermal Resistance Junction to Case
θJC
37
° C/W
8
16
9
650G40AL
######
YYWW
1