28C011TRPFB12 データシートの表示（PDF） - MAXWELL TECHNOLOGIES

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28C011TRPFB12

1 Megabit (128K x 8-Bit) EEPROM

MAXWELL TECHNOLOGIES 

1 Megabit (128K x 8-Bit) EEPROM

28C011T

FIGURE 7. SOFTWARE DATA PROTECTION TIMING WAVEFORM(1) (IN PROTECTION MODE)

FIGURE 8. SOFTWARE DATA PROTECTION TIMING WAVEFORM(2) (IN NON-PROTECTION MODE)

EEPROM APPLICATION NOTES

This application note describes the programming procedures for the EEPROM modules and with details of various

techniques to preserve data protection.

Automatic Page Write

Page-mode write feature allows 1 to 128 bytes of data to be written into the EEPROM in a single write cycle, and

allows the undefined data within 128 bytes to be written corresponding to the undefined address (A0 to A6). Loading

the first byte of data, the data load window opens 30µ s for the second byte. In the same manner each additional byte

of data can be loaded within 30µ s. In case CE and WE are kept high for 100 µ s after data input, EEPROM enters

erase and write mode automatically and only the input data are written into the EEPROM.

11.10.03 REV 10

All data sheets are subject to change without notice 12

©2003 Maxwell Technologies

All rights reserved.

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