m29f040 STMicroelectronics, m29f040 Datasheet - Page 25
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m29f040
Manufacturer Part Number
m29f040
Description
4 Mbit 512kb X8, Uniform Block Single Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29F040.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
m29f040-120
Manufacturer:
ST
Quantity:
5 120
Company:
Part Number:
m29f040-120K1
Manufacturer:
ST
Quantity:
6 500
Part Number:
m29f040-120K1
Manufacturer:
ST
Quantity:
20 000
Figure 13. Block Protection Flowchart
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 100µs
A9 = V IH
Wait 4µs
Wait 4µs
W = V IH
W = V IL
G = V IH
START
E = V IL
PASS
n = 0
DQ0
= 1
YES
NO
A9 = V IH
FAIL
= 25
++n
YES
AI01368D
NO
M29F040
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