M29W128GL7AZS3E View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

MFG CO.

M29W128GL7AZS3E

128 Mbit (16 Mb x 8 or 8 Mbx 16, page, uniform block) 3 V supply Flash memory

Numonyx -> Micron 

Prev 51 52 53 54 55 56 57 58 59 60 Next

M29W128GH, M29W128GL

Figure 7. Lock Register program flowchart

START

Write Unlock cycles:

Add 555h, Data AAh

Add 2AAh, Data 55h

Unlock cycle 1

unlock cycle 2

Write

Enter Lock Register command set:

Add 555h, Data 40h

Registers

Program Lock Register Data:

Add Dont' care, Data A0h

Add Dont' care(1), Data PDh

Polling algorithm

YES

Done

NO

DQ5 = 1

NO

YES

Device returned

to Read mode

PASS:

Write Lock Register Exit command:

Add Dont' care, Data 90h

Add Dont' care, Data 00h

FAIL

Reset to return

the device to Read mode

1. PD is the programmed data (see Table 18: Lock Register bits).

2. The Lock Register can only be programmed once.

ai13677

53/94

Share Link: