m28w640fcb STMicroelectronics, m28w640fcb Datasheet - Page 59

• Manufacturer Part Number: m28w640fcb
• Description: 64 Mbit 4mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W640FCT, M28W640FCB
Table 27.
1. Query data are always presented on the lowest order data outputs (DQ7-DQ0) only. DQ8-DQ15 are ‘0’.
02h-0Fh reserved Reserved
Offset
1Ah
00h
01h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
0020h
8848h
8849h
0051h
0052h
0059h
0003h
0000h
0035h
0000h
0000h
0000h
0000h
0000h
Data
CFI Query Identification String
Manufacturer code
Device code
Query Unique ASCII String "QRY"
Primary Algorithm Command Set and Control Interface ID code 16
bit ID code defining a specific algorithm
Address for Primary Algorithm extended Query table (see
Alternate Vendor Command Set and Control Interface ID code
second vendor - specified algorithm supported (0000h means none
exists)
Address for Alternate Algorithm extended Query table
(0000h means none exists)
Description
(1)
Common Flash Interface (CFI)
Table
29)
compatibl
P = 35h
Bottom
Value
Intel
Top
"Q"
"R"
"Y"
NA
NA
ST
e
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