S29AL008J datasheet(31/54 Pages) SPANSION

Part #	S29AL008J

Description	8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory

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April 12, 2012 S29AL008J_00_11

S29AL008J

31

Data

She e t

DQ6 status bits, just as in the standard program operation. See Write Operation Status on page 33 for more

information.

The system may also write the autoselect command sequence when the device is in the Erase Suspend

mode. The device allows reading autoselect codes even at addresses within erasing sectors, since the codes

are not stored in the memory array. When the device exits the autoselect mode, the device reverts to the

Erase Suspend mode, and is ready for another valid operation. See Autoselect Command Sequence

on page 27 for more information.

The system must write the Erase Resume command (address bits are don’t care) to exit the erase suspend

mode and continue the sector erase operation. Further writes of the Resume command are ignored. Another

Erase Suspend command can be written after the device has resumed erasing.

Figure 10.2 Erase Operation

Notes

1. See Table 10.1 on page 32 for erase command sequence.

2. See DQ3: Sector Erase Timer on page 37 for more information.

START

Write Erase

Command Sequence

Data Poll

from System

Data = FFh?

No

Yes

Erasure Completed

Embedded

Erase

algorithm

in progress

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