ICS8402I Datasheet, PDF (14/19 Pages) Integrated Circuit Systems – 350MHZ, CRYSTAL-TO-LVCMOS / LVTTL FREQUENCY SYNTHESIZER

ICS8402I
350MHZ, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER
Reliability Information
Table 8A. θ_JA vs. Air Flow Table for a 32 Lead LQFP
θ_JA vs. Air Flow
Linear Feet per Minute
0
Single-Layer PCB, JEDEC Standard Test Boards
67.8°C/W
Multi-Layer PCB, JEDEC Standard Test Boards
47.9°C/W
200
55.9°C/W
42.1°C/W
500
50.1°C/W
39.4°C/W
NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.
Table 8B. θ_JA vs. Air Flow Table for a 32 Lead VFQFN
θ_JA vs. Air Flow
Linear Feet per Minute
0
Multi-Layer PCB, JEDEC Standard Test Boards
37°C/W
1
32.4°C/W
2.5
29.0°C/W
Transistor Count
The transistor count for ICS8402I is: 3784
IDT™ / ICS™ LVCMOS/LVTTL FREQUENCY SYNTHESIZER
14
ICS8402AYI REV. A OCTOBER 16, 2007