M28W640EC-ZBF STMicroelectronics, M28W640EC-ZBF Datasheet - Page 43

• Manufacturer Part Number: M28W640EC-ZBF
• Description: 64 Mbit 4Mb x16/ Boot Block 3V Supply Flash Memory
• Manufacturer: STMicroelectronics

Table 31. Security Code Area
Offset
8Ah
8Bh
8Ch
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
XXXX
00XX
Data
Protection Register Lock
64 bits: unique device number
128 bits: User Programmable OTP
Description
M28W640ECT, M28W640ECB
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