
ICS84021 Data Sheet
260MHz, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS84021BY REVISION E AUGUST 18, 2011
15
2011 Integrated Device Technology, Inc.
Reliability Information
Table 8. θJA vs. Air Flow Table for a 32 Lead LQFP
Transistor Count
The transistor count for ICS84021 is: 4325
θ
JA by Velocity
Linear Feet per Minut
01
2.5
Single-Layer PCB, JEDEC Standard Test Boards
67.8°C/W
55.9°C/W
50.1°C/W
Multi-Layer PCB, JEDEC Standard Test Boards
47.9°C/W
42.1°C/W
39.4°C/W