M29W640FT70N6E View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M29W640FT70N6E

64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M29W640FT, M29W640FB

Figure 16. 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,

A0, A2, A3 = VIL, A1 =VIH,

A6 =VIL, A9 = VID, Others = X

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

DATA NO

=

01h

YES

A9 = VIH

E, G = VIH

PASS

1. Block Protection Groups are shown in Appendix A, Tables 20 and 21.

++n NO

= 25

YES

A9 = VIH

E, G = VIH

FAIL

9 Part Numbering

AI11555

67/72

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