ICS82C404中文資料ICST數(shù)據(jù)手冊PDF規(guī)格書

General Description

The ICS82C404 is a fully programmable graphics clock generator. It can generate user specified clock frequencies using an externally generated input reference or by a single crystal. The output frequency is programmed by entering a 24-bit digital word through the serial port.

Features

? Pin-for-pin and function compatible with ICD’s version of the 82C404

? Dual programmable graphics clock generator

? Memory and video clocks are individually programmable “on-the-fly”

? Ideal for designs where multiple or varying frequencies are required

? Increased frequency resolution from optional pre-divideby-2 on the M counter

? Output enable feature available for tristating outputs

? Independent clock outputs range from 390 kHz to 120 MHz

? Operation up to 140 MHz available

? Power-down capabilities

? Low-power, high speed 0.8μ CMOS technology

? Glitch-free transitions

? Available in 16-pin PDIP or SOIC package