M29W128 View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M29W128

128 Mbit 3V Supply Flash Memory

Numonyx -> Micron 

M29W128FH, M29W128FL

Appendix E Flowcharts

Figure 18. Programmer equipment Group Protect flowchart

START

ADDRESS =

GROUP ADDRESS

W = VIH

n=0

G, A9 = VID,

E = VIL

Wait 4µs

W = VIL

Wait 100µs

W = VIH

E, G = VIH, A1 = VIH

A0, A2 to A7 = VIL

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

NO

DATA = 01h

YES

A9 = VIH

E, G = VIH

PASS

++n

NO

= 25

YES

A9 = VIH

E, G = VIH

FAIL

1. Block Protection Groups are shown in Appendix D: High Voltage Block Protection, Table 28.

Flowcharts

AI07756b

71/78

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