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Am29DL400B

P R E L I M I NARY

REVISION SUMMARY

Revision B

Expanded data sheet from Advance Information to Pre-

liminary version.

Revision C

Global

Changed -70R speed option to -70.

Figure 1, In-system Sector Protect/Unprotect

Algorithm

Added “PSLSCNT=1” to sector protect algorithm.

Reset Command

Deleted last paragraph; applies only to hardware reset.

DQ6: Toggle Bit I

First and second para., clarified that the toggle bit may

be read “at any address within the programming or

erasing bank,” not at “any address.” Fourth para., clar-

ified “device” to “bank”

Operating Ranges

Deleted reference to regulated voltage range

DC Characteristics

Erase and Program Operations

Temporary Sector Unprotect

Figure 24, Sector Protect/Unprotect Timing

Diagram

Updated figure to correct address waveform—valid ad-

dress not required in first cycle.

Alternate CE# Controlled Erase/Program

Operations

Erase and Programming Performance

In Note 2, changed worst case endurance to 1 million

cycles.

Trademarks

Copyright © 1998 Advanced Micro Devices, Inc. All rights reserved.

AMD, the AMD logo, and combinations thereof are registered trademarks of Advanced Micro Devices, Inc.

ExpressFlash is a trademark of Advanced Micro Devices, Inc.

Product names used in this publication are for identification purposes only and may be trademarks of their respective companies.