ICS90C64

Free Datasheet http://www.datasheet4u.net/ Free Datasheet http://www.datasheet4u.net/ ICS90C64 TABLE OF CONTENTS Section Title PREFACE 1.0 INTRODUCTION 1.1 Description 1.2 Features ICS90C64 VGA INTERFACE 2.1 System Bus Inputs 2.2 Inputs from VGA Controller 2.3 Outputs to VGA Controller 2.4 Analog Filters 2.5 User Definable Inputs 2.6 Power Considerations PIN DESCRIPTIONS . . . Page 11-1 11-1 11-1 11-2 11-3 11-4 11-4 11-4 11-4 11-4 11-5 11-8 11-9 11-9 11-9 . 11-10 . 11-12 2.0 3.0 4.0 ABSOLUTE MAXIMUM RATINGS 4.1 Standard Test Conditions 4.2 D.C. Characteristics AC Timing Characteristics Packaging Information 5.0 6.0 II 11/15/91 11-i Free Datasheet http://www.datasheet4u.net/ ICS90C64 LIST OF ILLUSTRATIONS Figure 2-1 2-2 5-1 6-1 Title ICS90C64 Interface ICS90C64 Functional Block Diagram ICS90C64 Timings . . . . . . . ICS90C64 20-Pin PLCC Package Dimensions Other ICS Package Dimensions . . . . . . Page · 11-3 · 11-7 · 11-11 · 11-12 · 11-13 6-2 LIST OF TABLES Table 1-1 1-2 3-1 4-1 5-1 Title VCLK Selection MCLK Selection Pin Descriptions D.C. Characteristics AC Timing Characteristics Page 11-6 11-6 11-8 11-9 · 11-10 11-ii 11115191 Free Datasheet http://www.datasheet4u.net/ PREFACE ICS90C64 PREFACE The Integrated Circuit Systems ICS90C64 dual video/memory clock generator was designed exclusively to work with Western Digital video graphics chips. Because you get optimum video subsystem performance when you use this video/memory clock generator with the West...