M29W128GL70N6E View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M29W128GL70N6E

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

Numonyx -> Micron 

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.

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