Western Digital ICS90C64
the ICS90C64 in our databook. AGND AVCC MCLKE 7 8 ~ ill (f) 0 0 Z :2 t9 1.0 INTRODUCTION 20-PIN PLCC DIAGRAM The Integrated Circuit Systems ICS90C64 is a dual clock generator for VGA applications.DESCRIPTION
1.2FEATURES
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 4.0ABSOLUTE 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 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 PREFACE ICS90C64 PREFACE...