M28W640FST Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

M28W640FST

32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories

STMicroelectronics 

M28W320FST, M28W320FSB, M28W640FST, M28W640FSB

Table 28. Device Geometry Definition

Offset Word

Mode

Data

Description

Value

0016h

27h

Device Size = 2n in number of bytes

0017h

4 MByte

8 MByte

28h

29h

2Ah

2Bh

2Ch

2Dh

2Eh

2Fh

30h

31h

32h

33h

34h

2Dh

2Eh

2Fh

30h

31h

32h

33h

34h

2Dh

2Eh

2Fh

30h

31h

32h

33h

34h

0001h

0000h

0003h

0000h

0002h

003Eh

0000h

0000h

0001h

0007h

0000h

0020h

0000h

0007h

0000h

0020h

0000h

003Eh

0000h

0000h

0001h

007Eh

0000h

0000h

0001h

0007h

0000h

0020h

0000h

Flash Device Interface Code description

x16

Async.

Maximum number of bytes in multi-byte program or page = 2n

8

Number of Erase Block Regions within the device.

It specifies the number of regions within the device containing contiguous

Erase Blocks of the same size.

Region 1 Information

Number of identical-size erase block = 003Eh+1

Region 1 Information

Block size in Region 1 = 0100h * 256 byte

Region 2 Information

Number of identical-size erase block = 0007h+1

Region 2 Information

Block size in Region 2 = 0020h * 256 byte

Region 1 Information

Number of identical-size erase block = 0007h+1

Region 1 Information

Block size in Region 1 = 0020h * 256 byte

Region 2 Information

Number of identical-size erase block = 003Eh=1

Region 2 Information

Block size in Region 2 = 0100h * 256 byte

Region 1 Information

Number of identical-size erase block = 007Eh+1

Region 1 Information

Block size in Region 1 = 0100h * 256 byte

Region 2 Information

Number of identical-size erase block = 0007h+1

Region 2 Information

Block size in Region 2 = 0020h * 256 byte

2

63

64 KByte

8

8 KByte

8

8 KByte

63

64 KByte

127

64 KByte

8

8 KByte

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