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CRT7004 Datasheet Dot Matrix Character Generator

Manufacturer: SMSC (now Microchip Technology)

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General Description

FUNCTIONAL BLOCK DIAGRAM SMC's CRT 7004 is a high speed character generator with a high speed video shift register designed to display 128 characters in a 7 x 11 dot matrix.

The CRT 7004 is an enhanced, pin for pin compatible, version of SMC's CG5004L-1.

It is fabricated using SMC's patented COPLAMOS® and CLASp® technologies and employs depletion mode loads, allowing operation from a single + 5v supply.

Overview

CRT 7004 JLPC FAMILY Dot Matrix Character Generator 128 Characters of 7 x 11.

Key Features

  • o On chip character generator (mask programmable) 128 Characters 7 x 11 Dot matrix block o On chip video shift register Maximum shift register frequency CRT 7004A 20MHz CRT 70048 15MHz CRT 7004C 10MHz Access time 400ns o No descender circuitry required o On chip cursor o On chip character address buffer o On chip line address buffer o Single +5 volt power supply o TTL compatible o MaS N-channel silicon-gate.

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