参数资料
型号: W39L020P-90Z
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 3.3V PROM, 90 ns, PQCC32
封装: LEAD FREE, PLASTIC, LCC-32
文件页数: 3/29页
文件大小: 294K
代理商: W39L020P-90Z
W39L020
Publication Release Date: June 6, 2005
- 11 -
Revision A7
7. TABLE OF OPERATING MODES
7.1 Device Bus Operations
(VID = 12
± 0.5V)
PIN
MODE
#CE
#OE #WE
A0
A1
A9
DQ0
DQ7
Read
VIL
VIH
A0
A1
A9
Dout
Write
VIL
VIH
VIL
A0
A1
A9
Din
Standby
VIH
X
High Z
X
VIL
X
High Z/
Dout
Write Inhibit
X
VIH
X
High Z/
Dout
Output Disable
VIL
VIH
X
High Z
Auto select Manufacturers ID
VIL
VIH
VIL
VID
Code
Auto select Device ID
VIL
VIH
VIL
VID
Code
7.2 Auto-select Codes (High Voltage Method)
(VID = 12
± 0.5V)
DESCRIPTION
#CE
#OE
#WE
A9
THE OTHER ADDRESS
DQ[7:0]
Manufacturer ID: Winbond
VIL
VIH
VID
All Add = VIL
DAhex
Device ID: W39L020
VIL
VIH
VID
A1 = VIH, All other = VIL
B5hex
7.3 Sector Address Table
SECTOR
A17
A16
SECTOR SIZE
(KBYTES)
ADDRESS
SA0
0
64
00000h
0FFFFh
SA1
0
1
64
10000h
1FFFFh
SA2
1
0
64
20000h
2FFFFh
SA3
1
64
30000h
3FFFFh
Note: All sectors are 64K bytes in size.
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