April 13, 2005 Rev. A Amend. +1

Am29SL400D

31

ADV ANCE

I N FO RMAT I O N

AC CHARACTERISTICS

OE#

CE#

Addresses

WE#

Data

2AAh

SA

555h for chip erase

10 for Chip Erase

30h

55h

In

Progress

Complete

VA

VA

Erase Command Sequence (last two cycles)

Read Status Data

RY/BY#

Notes:

1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write Operation Status”).

2. Illustration shows device in word mode.

Figure 18.

Chip/Sector Erase Operation Timings