HN27C4000G Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HN27C4000G

524288-Word ×8-Bit/262144-Word ×16-Bit CMOS UV Erasable and Programmable ROM

Hitachi -> Renesas Electronics 

HN27C4000G Series

Fast High-Reliability Page Programming

This device can be applied the high performance page programming algorithm shown in the following

flowchart. This algorithm allows to obtain faster programming time without any voltage stress to the device

nor deterioration in reliability of programmed data.

Page Program Set

Apply 12 V to OE pin after applying 12.5 V to VPP to set a page program mode.

The device operates in a page program mode until reset.

Page Program Reset

Set VPP to VCC level or less to reset a page program mode.

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