
84320AYI-01
www.idt.com
REV. B AUGUST 4, 2010
16
ICS84320I-01
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
RELIABILITY INFORMATION
TRANSISTOR COUNT
The transistor count for ICS84320I-01 is: 3776
TABLE 9.
θ
JA
VS
. AIR FLOW TABLE FOR 32 LEAD LQFP
θθθθθ
JA by Velocity (Linear Feet per Minute)
0
200
500
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
NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.