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M29W800DB70M1 View Datasheet(PDF) - Numonyx -> Micron

Part NameDescriptionManufacturer
M29W800DB70M1 8-Mbit (1 Mbit x 8 or 512 Kbits x 16, boot block) 3 V supply flash memory Numonyx
Numonyx -> Micron Numonyx
M29W800DB70M1 Datasheet PDF : 52 Pages
First Prev 41 42 43 44 45 46 47 48 49 50 Next Last
Block protection
M29W800DT, M29W800DB
Figure 19. Programmer equipment chip unprotect flowchart
START
PROTECT ALL BLOCKS
n=0
CURRENT BLOCK = 0
A6, A12, A15 = VIH(1)
E, G, A9 = VID
Wait 4µs
W = VIL
Wait 10ms
W = VIH
E, G = VIH
ADDRESS = CURRENT BLOCK ADDRESS
A0 = VIL, A1, A6 = VIH
E = VIL
Wait 4µs
G = VIL
Wait 60ns
Read DATA
INCREMENT
CURRENT BLOCK
NO ++n
= 1000
YES
A9 = VIH
E, G = VIH
FAIL
NO DATA YES
=
00h
LAST NO
BLOCK
YES
A9 = VIH
E, G = VIH
PASS
AI03470
48/52
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