8431AM-21

www.icst.com/products/hiperclocks.html

REV. A APRIL 27, 2005

14

Integrated

Circuit

Systems, Inc.

ICS8431-21

TO

The transistor count for ICS8431-21 is: 4790

θ

JA

VS

θθθθθ

0

200

500

Single-Layer PCB, JEDEC Standard Test Boards

76.2°C/W

60.8°C/W

53.2°C/W

Multi-Layer PCB, JEDEC Standard Test Boards

46.2°C/W

39.7°C/W

36.8°C/W

NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.