ICS651-03
VOIP Clock Source
Thermal Characteristics
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
θJA Still air
θJA 1 m/s air flow
θJA 3 m/s air flow
Thermal Resistance Junction to Case θJC
Min.
Typ.
78
70
68
37
Max.
Units
°C/W
°C/W
°C/W
°C/W
Marking Diagram
16
9
651G-03
######
YYWW$$
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.
MDS 651-03 A
6
Revision 112603
Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201● www.icst.com