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W19B320BT Datasheet, PDF (29/56 Pages) Winbond – 2.7~3.6-volt write (program and erase) operations
W19B320BT/B DATASHEET
7.6 CFI Query Identification String
DESCRIPTION
Query-unique ASCII string "QRY"
Primary OEM Command Set
Address for primary Extended Table
Alternate OEM Command Set (00h = none exists)
Address for Alternative OEM Extended table (00h = none exists)
ADDRESS
(Word Mode)
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
DATA
0051h
0052h
0059h
0002h
0000h
0040h
0000h
0000h
0000h
0000h
0000h
ADDRESS
(Byte Mode)
20h
22h
24h
26h
28h
2Ah
2Ch
2Eh
30h
32h
34h
7.6.1 System Interface String
DESCRIPTION
VDD Min. (write/erase)
D7-D4: volt , D3-D0: 100 mV
VDD Max. (write/erase)
D7-D4: volt , D3-D0: 100 mV
VPP Min. voltage (00h=no VPP pin present)
VPP Max. voltage (00h=no VPP pin present)
Typical timeout per single byte/word write 2N μs
Typical timeout for Min. size buffer write 2N μs (00h=not supported)
Typical timeout per individual block erase 2N ms
Typical timeout for full chip erase 2N ms (00h=not supported)
Max. timeout for byte/word write 2N times typical
Max. timeout for buffer write 2N times typical
Max. timeout per individual block erase 2N times typical
Max. timeout for full chip erase 2N times typical ( 00h = not
supported)
ADDRESS
(Word Mode)
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
DATA
0027h
0036h
0000h
0000h
0004h
0000h
000Ah
0000h
0005h
0000h
0004h
0000h
ADDRESS
(Byte Mode)
36h
38h
3Ah
3Ch
3Eh
40h
42h
44h
46h
48h
4Ah
4Ch
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Publication Release Date:Dec. 25, 2007
Revisionv A3