W19B320B Datasheet, PDF (17/51 Pages) Winbond – 32Mbit, 2.7~3.6-volt single bank CMOS flash memory

W19B320BT/B DATASHEET
7.2 AUTOSELECT Codes (High Voltage Method)
DESCRIPTION
A20 A11 _A9 A8
A5
#CE #OE #WE TO TO
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
(Top Boot Block)
VIL VIL VIH X
X VID X VIL X VIL VIH 22h X
BAh
Device ID:
W19B320BB
VIL VIL VIH X
(Bottom Boot Block)
Sector Protection
Verification
VIL VIL VIH SA
Security Indicator Bit
(DQ7)
VIL
VIL
VIH
X
X VID X VIL X VIL VIH 22h
X
X VID X VIL X VIH VIL
X
X VID X VIL X VIH VIH X
X
2Ah
X
01h
(protected) 00h
X _{(unprotected)}
82h (factory
locked)
X
02h (not
factory
locked)
Legend: SA= Sector Address, X= Don't Care.
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Publication Release Date:Dec, 22, 2008
Revisionv A5