L6402ML11RI datasheet(39/57 Pages) AMD

39 / 57 page

January 23, 2006

Am29LV6402M

DQ1: Write-to-Buffer Abort

DQ1 indicates whether a Write-to-Buffer operation

was aborted. Under these conditions DQ1 and DQ9

pr odu ce a “1 ”. T h e sy stem m u st issue the

Write-to-Buffer-Abort-Reset command sequence to re-

turn the device to reading array data. See Write Buffer

Programming section for more details.

Table 12.

Write Operation Status

Notes:

1. DQ5 and DQ13 switch to ‘1’ when an Embedded Program, Embedded Erase, or Write-to-Buffer operation has exceeded the

maximum timing limits. Refer to the section on DQ5 and DQ13 for more information.

2. DQ7 and DQ15 and DQ2 and DQ10 require a valid address when reading status information. Refer to the appropriate subsection

for further details.

3. The Data# Polling algorithm should be used to monitor the last loaded write-buffer address location.

4. DQ1 and DQ9 switch to ‘1’ when the device has aborted the write-to-buffer operation.

Status

DQ7/DQ15

(Note 2)

DQ6/DQ14

DQ5/

DA13

(Note 1)

DQ3/

DQ11

DQ2/DQ10

(Note 2)

DQ1/

DQ9

RY/BY#

Standard

Mode

Embedded Program Algorithm

DQ7/DA15#

Toggle

N/A

No toggle

Embedded Erase Algorithm

Toggle

N/A

Program

Suspend

Mode

Program-

Suspend

Read

Program-Suspended

Sector

Invalid (not allowed)

Non-Program

Suspended Sector

Data

Erase

Suspend

Mode

Erase-

Suspend

Read

Erase-Suspended

Sector

No toggle

N/A

Toggle

N/A

Non-Erase

Suspended Sector

Data

Erase-Suspend-Program

(Embedded Program)

DQ7/DQ15#

Toggle

N/A

Write-to-

Buffer

Busy (Note 3)

DQ7/DQ15#

Toggle

N/A

Abort (Note 4)

DQ7/DQ15#

Toggle

N/A

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