m28w640fcb STMicroelectronics, m28w640fcb Datasheet - Page 62
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m28w640fcb
Manufacturer Part Number
m28w640fcb
Description
64 Mbit 4mb X16, Boot Block 3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M28W640FCB.pdf
(77 pages)
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Common Flash Interface (CFI)
62/77
Table 30.
(P+5)h = 3Ah
(P+6)h = 3Bh
(P+7)h = 3Ch
(P+8)h = 3Dh
(P+9)h = 3Eh
(P+A)h = 3Fh
(P+B)h = 40h
(P+C)h = 41h
(P+D)h = 42h
(P+E)h = 43h
(P+0)h = 35h
(P+1)h = 36h
(P+2)h = 37h
(P+3)h = 38h
(P+4)h = 39h
P = 35h
Offset
(1)
Primary Algorithm-specific Extended Query table
00C0h
0050h
0052h
0049h
0031h
0030h
0066h
0000h
0000h
0000h
0001h
0003h
0000h
0030h
0001h
Data
Primary Algorithm extended Query table unique ASCII string
“PRI”
Major version number, ASCII
Minor version number, ASCII
Extended Query table contents for Primary Algorithm. Address
(P+5)h contains less significant byte.
bit 0Chip Erase supported(1 = Yes, 0 = No)
bit 1Suspend Erase supported(1 = Yes, 0 = No)
bit 2Suspend Program supported(1 = Yes, 0 = No)
bit 3Legacy Lock/Unlock supported(1 = Yes, 0 = No)
bit 4Queued Erase supported(1 = Yes, 0 = No)
bit 5Instant individual block locking supported(1 = Yes, 0 = No)
bit 6Protection bits supported(1 = Yes, 0 = No)
bit 7Page mode read supported(1 = Yes, 0 = No)
bit 8Synchronous read supported(1 = Yes, 0 = No)
bit 31 to 9Reserved; undefined bits are ‘0’
Supported Functions after Suspend
Read Array, Read Status Register and CFI Query are always
supported during Erase or Program operation
bit 0Program supported after Erase Suspend (1 = Yes, 0 = No)
bit 7 to 1Reserved; undefined bits are ‘0’
Block Lock Status
Defines which bits in the Block Status Register section of the
Query are implemented.
Address (P+A)h contains less significant byte
bit 0Block Lock Status Register Lock/Unlock bit active(1 = Yes, 0
= No)
bit 1Block Lock Status Register Lock-Down bit active (1 = Yes, 0
= No)
bit 15 to 2Reserved for future use; undefined bits are ‘0’
V
performance)
bit 7 to 4HEX value in volts
bit 3 to 0BCD value in 100 mV
V
bit 7 to 4HEX value in volts
bit 3 to 0BCD value in 100 mV
Number of Protection register fields in JEDEC ID space.
"00h," indicates that 256 protection bytes are available
DD
PP
Supply Optimum Program/Erase voltage
Logic Supply Optimum Program/Erase voltage (highest
Description
M28W640FCT, M28W640FCB
Value
12V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
"R"
"P"
No
No
No
No
No
"1"
"0"
3V
01
"I"