W39L020 Datasheet, PDF (8/26 Pages) Winbond – 256K × 8 CMOS FLASH MEMORY

W39L020
7. TABLE OF OPERATING MODES
Device Bus Operations
(VID = 12 ± 0.5V)
MODE
#CE #OE #WE A0
Read
VIL VIL VIH A0
Write
VIL VIH VIL A0
Standby
VIH X X X
Write Inhibit
X
VIL
X
X
X
X VIH X
Output Disable
VIL VIH VIH X
Auto select Manufacturers ID VIL VIL VIH VIL
Auto select Device ID
VIL VIL VIH VIH
PIN
A1 A9
A1 A9
A1 A9
XX
XX
XX
XX
VIL VID
VIL VID
DQ0 − DQ7
Dout
Din
High Z
High Z/Dout
High Z/Dout
High Z
Code
Code
Auto-select Codes (High Voltage Method)
(VID = 12 ± 0.5V)
DESCRIPTION
#CE #OE #WE A9
Manufacturer ID: Winbond
Device ID: W39L020
VIL VIL
VIL VIL
VIH VID
VIH VID
THE OTHER ADDRESS
All Add = VIL
A1 = VIH, All other = VIL
DQ[7:0]
DAhex
B5hex
Sector Address Table
SECTOR
A17 A16
SA0
0
0
SA1
0
1
SA2
1
0
SA3
1
1
Note: All sectors are 64K bytes in size.
SECTOR SIZE
(KBYTES)
64
64
64
64
ADDRESS
00000h − 0FFFFh
10000h − 1FFFFh
20000h − 2FFFFh
30000h − 3FFFFh
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