M29W800DT NUMONYX [Numonyx B.V], M29W800DT Datasheet - Page 49

• Manufacturer Part Number: M29W800DT
• Description: 8-Mbit (1 Mbit x 8 or 512 Kbits x 16, boot block) 3 V supply flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

M29W800DT, M29W800DB
Figure 20. In-system equipment block protect flowchart
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
ISSUE READ/RESET
READ DATA
COMMAND
WRITE 60h
WRITE 60h
WRITE 40h
Wait 100µs
RP = V ID
RP = V IH
Wait 4µs
START
DATA
PASS
n = 0
01h
=
YES
NO
ISSUE READ/RESET
COMMAND
RP = V IH
FAIL
= 25
++n
YES
NO
Block protection
AI03471
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