W19B320BT Datasheet, PDF (22/56 Pages) Winbond – 2.7~3.6-volt write (program and erase) operations

W19B320BT/B DATASHEET
7.2 AUTOSELECT Codes (High Voltage Method)
A20 A11
A8
A5
DESCRIPTION #CE #OE #WE TO TO A9 TO A6 TO A1 A0
DQ8 TO
DQ15
A12 A10
A7
A2
#BYTE #BYTE
= VIH = VIL
DQ7
TO
DQ0
Manufacturer ID:
Winbond
VIL VIL VIH
X
X VID X VIL X VIL VIL
X
X
DAh
Device ID:
W19B320BT
VIL VIL VIH X X VID X VIL X VIL VIH 22h X
(Top Boot Block)
BAh
Device ID:
W19B320BB
(Bottom Boot
Block)
VIL VIL VIH X X VID
Sector Protection
VIL VIL VIH SA
Verification
X VID
Security Indicator
Bit (DQ7)
VIL
VIL
VIH
X
X VID
X VIL X VIL VIH 22h
X
X VIL X VIH VIL
X
X VIL X VIH VIH X
X
2Ah
01h
X _(protected)
X
00h
(unprotected)
82h
(factory
X
locked)
02h (not
factory
locked)
Legend: SA= Sector Address, X= Don't Care.
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Publication Release Date:Dec.25, 2007
Revisionv A3