HN27C256HG Datasheet PDF - Hitachi Semiconductor 32768-word x 8-bit CMOS UV Erasable and Programmable ROM Specs

HN27C256HG - 32768-word x 8-bit CMOS UV Erasable and Programmable ROM

Datasheet Summary

Description

The Hitachi HN27C256HG is a 256-kbit ultraviolet erasable and electrically programmable ROM, featuring sub-100-ns access times.

The HN27C256HG realizes access time of 70 ns and 85 ns, employing the advanced fine process and high speed circuitry technique.

Features

High speed: Access time.

Datasheet Details

Part number	HN27C256HG
Manufacturer	Hitachi Semiconductor
File Size	134.96 KB
Description	32768-word x 8-bit CMOS UV Erasable and Programmable ROM
Datasheet	HN27C256HG Datasheet
Additional preview pages of the HN27C256HG datasheet.

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Full PDF Text Transcription

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HN27C256HG Series 32768-word × 8-bit CMOS UV Erasable and Programmable ROM ADE-203Maintenance only Rev. 0.0 Dec. 1, 1995 Description The Hitachi HN27C256HG is a 256-kbit ultraviolet erasable and electrically programmable ROM, featuring sub-100-ns access times. The HN27C256HG realizes access time of 70 ns and 85 ns, employing the advanced fine process and high speed circuitry technique. The timing conditions such as access time or output hold time are designed as same as our byte-wide SRAMs’, allowing to use with SRAMs on the same memory board by the same read timings. So its board design in 16-bit microprocessor systems is easy. Also, the HN27C256HG realizes faster programming time than our conventional 256-kbit EPROM by Hitachi’s Fast High-Reliability Programming Algorithm.

Published: Apr 7, 2017 |