M29W320DB STMICROELECTRONICS [STMicroelectronics], M29W320DB Datasheet - Page 49

• Manufacturer Part Number: M29W320DB
• Description: 32 Mbit 4Mb x8 or 2Mb x16, Boot Block 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W320DT, M29W320DB
Table 27.
Block Protect
Chip Unprotect
Block Protection
Verify
Block Unprotection
Verify
Operation
Programmer Technique Bus Operations, BYTE = V
V
V
V
V
E
ID
IL
IL
IL
V
V
V
V
G
ID
ID
IL
IL
V
V
IL
IL
V
V
W
Pulse
Pulse
IH
IH
A0 = V
A9 = V
A9 = V
A9 = V
A0 = V
IL
A12-A20 Block Address
, A1 = V
ID
ID
ID
Address Inputs
, A12-A20 Block Address
, A12-A20 Block Address
IL
, A12 = V
, A1 = V
Others = X
Others = X
Others = X
Others = X
A0-A20
IH
, A6 = V
IH
IH
, A6 = V
, A15 = V
IL
IH
, A9 = V
or V
IH
IH
,
IL
ID
,
DQ15A–1, DQ14-DQ0
Data Inputs/Outputs
Retry = XX00h
Retry = XX01h
Pass = XX01h
Pass = XX00h
Block Protection
X
X
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