English
Language : 

ICS87974I Datasheet, PDF (12/16 Pages) Integrated Device Technology – Fully integrated PLL
ICS87974I
LOW SKEW, 1-TO-15,
LVCMOS/LVTTL CLOCK GENERATOR
RELIABILITY INFORMATION
TABLE 6. θJAVS. AIR FLOW TABLE FOR 52 LEAD LQFP
θJA by Velocity (Linear Feet per Minute)
Single-Layer PCB, JEDEC Standard Test Boards
Multi-Layer PCB, JEDEC Standard Test Boards
0
58.0°C/W
42.3°C/W
200
47.1°C/W
36.4°C/W
500
42.0°C/W
34.0°C/W
NOTE: Most modern PCB designs use multi-layered boards.The data in the second row pertains to most designs.
TRANSISTOR COUNT
The transistor count for ICS87974I is: 4225
87974CYI
www.idt.com
12
REV. E JULY 26, 2010