M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 61

• Manufacturer Part Number: M29W640FB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W640FT, M29W640FB
Table 26.
4Ah
4Bh
4Ch
4Dh
4Eh
x16
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
4Fh
50h
Address
Primary Algorithm-Specific Extended Query Table
8Ch
9Ch
8Ah
8Eh
9Ah
9Eh
A0h
80h
82h
84h
86h
88h
90h
92h
94h
96h
98h
x8
00C5h
00B5h
0050h
0052h
0049h
0031h
0033h
0000h
0002h
0004h
0001h
0004h
0000h
0000h
0001h
0002h
0003h
0001h
Data
Primary Algorithm extended Query table unique ASCII string “PRI”
Major version number, ASCII
Minor version number, ASCII
Address Sensitive Unlock (bits 1 to 0)
00h = required, 01h = not required
Silicon Revision Number (bits 7 to 2)
Erase Suspend
00h = not supported, 01h = Read only, 02 = Read and Write
Block Protection
00h = not supported, x = number of blocks per protection group
Temporary Block Unprotect
00h = not supported, 01h = supported
Block Protect /Unprotect
04 = M29W640F
Simultaneous Operations, 00h = not supported
Burst Mode: 00h = not supported, 01h = supported
Page Mode: 00h = not supported, 01h = 4 page word, 02h = 8
page word
V
bit 7 to 4 HEX value in volts
bit 3 to 0 BCD value in 100 mV
V
bit 7 to 4 HEX value in volts
bit 3 to 0 BCD value in 100 mV
Top/Bottom Boot Block Flag
02h = Bottom Boot device
03h = Top Boot device
Program Suspend
00h = Not Supported
01h = Supported
PP
PP
Supply Minimum Program/Erase voltage
Supply Maximum Program/Erase voltage
Description
9 Part Numbering
Supported
Value
11.5V
12.5V
Yes
Yes
Yes
"P"
"R"
"3"
No
No
“1”
04
"I"
2
4
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