M29W040-100K1R STMICROELECTRONICS [STMicroelectronics], M29W040-100K1R Datasheet - Page 24

Manufacturer Part Number

M29W040-100K1R

Description

4 Mbit 512Kb x8, Uniform Block Low Voltage Single Supply Flash Memory

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.M29W040-100K1R.pdf (31 pages)

M29W040

Figure 13. Block Protection Flowchart

24/31

ADDRESS: A0, A6 = V IL , A1 = V IH and

A16, A17, A18 DEFINING BLOCK

READ DQ0 at PROTECTION

BLOCK ADDRESS

on A16, A17, A18

G, A9 = V ID ,

Wait 100 s

A9 = V IH

Wait 4 s

W = V IH

W = V IL

G = V IH

E = V IL

START

PASS

n = 0

DQ0

= 1

YES

A9 = V IH

FAIL

= 25

++n

YES

AI01368D