M29W064FT, M29W064FB
Table 29.
Programmer technique bus operations, BYTE = V
IH
or V
IL
E
G
W
Address inputs
A0-A21
A9 = V
ID
, A12-A21 = block address,
others = X
A9 = V
ID
, A12 = V
IH
, A15 = V
IH
others = X
A0, A2, A3 = V
IL
, A1 = V
IH
, A6 = V
IL
,
A9 = V
ID
, A12-A21 = block address
others = X
A0, A2, A3 = V
IL
, A1 = V
IH
, A6 = V
IH
,
A9 = V
ID
, A12-A21 = block address
others = X
Block protection
Operation
Block (group)
protect
(1)
Chip unprotect
Block (group)
protection verify
Block (group)
unprotection verify
Data inputs/outputs
DQ15A–1, DQ14-DQ0
X
X
Pass = XX01h
Retry = XX00h
Retry = XX01h
Pass = XX00h
V
IL
V
ID
V
ID
V
ID
V
IL
pulse
V
IL
pulse
V
IL
V
IL
V
IH
V
IL
V
IL
V
IH
1. Block protection groups are shown in
tables
and
63/69