Am29F040

33

DATA SHEET REVISION SUMMARY FOR

AM29F040

Distinctive Characteristics

Changed low power consumption specifications to typ-

ical values.

Added “enhanced power management” bullet.

General Description

Fifth paragraph, changed sector erase time to 1.0 sec.

Product Selector Guide

Removed the -75 (70 ns,

±5%) speed option.

Ordering Information

Added -55 speed option to the example part number.

Removed the -75 speed option from the valid combina-

tions. Added industrial and extended temperature

ranges to -55 valid combinations. Added extended tem-

perature to -70 valid combinations.

Table 1—User Bus Operations

Changed I/O write entry to “PD” and I/O read entry to

“RD”; now matches Table 4. Corrected reference to ta-

bles in Note 2.

Standby Mode

Changed maximum CMOS standby mode current to

5

µA.

Autoselect

Deleted fourth paragraph.

Table 2—Autoselect Codes

Changed table title.

Table 3—Sector Addresses

Changed table title.

Sector Protection

Reworded second paragraph, second sentence.

Sector Unprotection

Deleted after second sentence.

Table 4—Command Definitions

Added “X” to first cycle of first Read/Reset command.

Changed fourth cycle in Byte Program row from “data”

to “PD”. Deleted Note 1. Rewrote Notes 2 and 6.

Sector Erase

Changed time-out to 80

µs. Deleted note. In second

paragraph, deleted third sentence from end. In fourth

paragraph, changed third sentence from end.

User Note for Chip Erase and Sector Erase

Commands

Deleted section.

Erase Suspend

Deleted last sentence of fourth paragraph. Deleted fifth

paragraph.

Table 5—Write Operation Status

Added overbars to DQ7.

DQ7—Data Polling

Fourth paragraph, added “Erase Suspend.”

DQ5—Exceeded Timing Limits

Clarified first sentence in fifth paragraph.

Absolute Maximum Ratings

Added -55 and -70 speed options. Deleted -75 speed

option.

DC Characteristics

specifications.

specifications, added typical values. Added Note 4.

AC Characteristics

Read Only Operations Characteristics: Removed -75

Combined Notes 1 and 2.

Figure 7—Test Conditions

AC Characteristics

Write/Erase/Program Operations (also same table for

Alternate CE Controlled Writes): Removed -75 speed

Erase and Programming Performance

Changed maximum specifications. Clarified note 5. De-

leted Note 2.

Trademarks

Copyright © 1996 Advanced Micro Devices, Inc. All rights reserved.

AMD, the AMD logo, and combinations thereof are 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.