ICS9248-157 Datasheet (Integrated Circuit Systems) - Frequency Generator & Integrated Buffers

ICS9248-157, Frequency Generator & Integrated Buffers

The ICS9248-157 is the Main clock solution for Notebook designs using the Intel ALI1621/1632M style chipset.

Along with an SDRAM buffer such as the ICS9179-03, it provides all necessary clock signals for such a system.

Spread spectrum may be enabled by driving pin 26, SPREAD# active (Low) at power-o

ICS9248-157 Features

* 2 - CPUs @2.5V, up to 140MHz.

* 7 - PCI @3.3V, (including one free running)

* 1 - 48MHz, @3.3V fixed.

* 2 - REF @3.3V, 14.318MHz. Features:

* Up to 140 MHz frequency support

* Support power management: CPU, PCI stop and Power down.

* Spread